./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_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_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/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_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/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_82b32857-d998-41b2-ac3b-e553bc6f8af5/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 85aedfcf2118f521ef9bbcac4097ae575bdd21c81fab8b04f6f07f1b73393844 --- 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 16:54:25,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:54:25,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:54:25,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:54:25,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:54:25,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:54:25,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:54:25,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:54:25,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:54:25,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:54:25,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:54:25,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:54:25,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:54:25,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:54:25,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:54:25,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:54:25,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:54:25,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:54:25,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:54:25,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:54:25,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:54:25,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:54:25,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:54:25,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:54:25,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:54:26,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:54:26,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:54:26,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:54:26,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:54:26,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:54:26,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:54:26,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:54:26,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:54:26,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:54:26,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:54:26,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:54:26,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:54:26,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:54:26,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:54:26,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:54:26,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:54:26,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:54:26,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:54:26,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:54:26,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:54:26,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:54:26,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:54:26,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:54:26,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:54:26,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:54:26,063 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:54:26,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:54:26,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:54:26,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:54:26,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:54:26,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:54:26,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:54:26,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:54:26,066 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:54:26,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:54:26,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:54:26,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:54:26,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:54:26,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:54:26,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:54:26,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:54:26,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:54:26,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:54:26,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:54:26,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:54:26,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:54:26,069 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:54:26,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:54:26,069 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:54:26,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:54:26,070 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_82b32857-d998-41b2-ac3b-e553bc6f8af5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aedfcf2118f521ef9bbcac4097ae575bdd21c81fab8b04f6f07f1b73393844 [2022-11-25 16:54:26,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:54:26,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:54:26,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:54:26,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:54:26,395 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:54:26,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2022-11-25 16:54:29,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:54:29,867 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:54:29,868 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2022-11-25 16:54:29,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/data/3fed31d85/c7f53c8e30534457a354ec121386056a/FLAGfc588e90c [2022-11-25 16:54:29,910 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/data/3fed31d85/c7f53c8e30534457a354ec121386056a [2022-11-25 16:54:29,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:54:29,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:54:29,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:54:29,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:54:29,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:54:29,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:29" (1/1) ... [2022-11-25 16:54:29,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6068a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:29, skipping insertion in model container [2022-11-25 16:54:29,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:29" (1/1) ... [2022-11-25 16:54:29,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:54:30,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:54:30,483 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:54:31,282 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:54:31,295 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:54:31,298 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:54:31,307 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:54:31,309 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:54:31,359 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:54:31,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:54:31,374 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:54:31,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:54:31,479 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:54:31,481 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:54:31,483 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:54:31,486 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:54:31,487 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:54:31,497 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:54:31,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:54:31,653 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:54:31,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31 WrapperNode [2022-11-25 16:54:31,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:54:31,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:54:31,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:54:31,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:54:31,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,709 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 97 [2022-11-25 16:54:31,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:54:31,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:54:31,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:54:31,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:54:31,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:54:31,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:54:31,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:54:31,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:54:31,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (1/1) ... [2022-11-25 16:54:31,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:54:31,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:54:31,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:54:31,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:54:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 16:54:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 16:54:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:54:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:54:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:54:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:54:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:54:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:54:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:54:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:54:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:54:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:54:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:54:32,071 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:54:32,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:54:32,247 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:54:32,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:54:32,255 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:54:32,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:32 BoogieIcfgContainer [2022-11-25 16:54:32,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:54:32,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:54:32,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:54:32,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:54:32,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:54:29" (1/3) ... [2022-11-25 16:54:32,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2bc04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:54:32, skipping insertion in model container [2022-11-25 16:54:32,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:31" (2/3) ... [2022-11-25 16:54:32,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2bc04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:54:32, skipping insertion in model container [2022-11-25 16:54:32,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:32" (3/3) ... [2022-11-25 16:54:32,266 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2022-11-25 16:54:32,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:54:32,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 16:54:32,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:54:32,336 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;@6f19f9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:54:32,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 16:54:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 16:54:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:54:32,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:32,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:54:32,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:32,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:32,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2010894524, now seen corresponding path program 1 times [2022-11-25 16:54:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:32,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590506190] [2022-11-25 16:54:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:32,857 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 16:54:32,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:32,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590506190] [2022-11-25 16:54:32,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590506190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:32,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:32,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:54:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641718295] [2022-11-25 16:54:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:32,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:54:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:32,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:54:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:54:32,902 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:54:32,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:33,001 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-11-25 16:54:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:54:33,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 16:54:33,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:33,022 INFO L225 Difference]: With dead ends: 57 [2022-11-25 16:54:33,022 INFO L226 Difference]: Without dead ends: 48 [2022-11-25 16:54:33,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 16:54:33,036 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:33,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 197 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:54:33,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-25 16:54:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-25 16:54:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 43 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 16:54:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-11-25 16:54:33,101 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 12 [2022-11-25 16:54:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:33,103 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-11-25 16:54:33,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:54:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-25 16:54:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 16:54:33,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:33,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:54:33,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:54:33,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:33,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2086779133, now seen corresponding path program 1 times [2022-11-25 16:54:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:33,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440804272] [2022-11-25 16:54:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,345 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 16:54:33,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:33,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440804272] [2022-11-25 16:54:33,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440804272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:33,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:33,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:54:33,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383457342] [2022-11-25 16:54:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:33,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:54:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:54:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:54:33,349 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:54:33,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:33,432 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-11-25 16:54:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:54:33,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 16:54:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:33,434 INFO L225 Difference]: With dead ends: 48 [2022-11-25 16:54:33,434 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 16:54:33,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:54:33,436 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 6 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:33,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 152 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:54:33,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 16:54:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-25 16:54:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 42 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 16:54:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-11-25 16:54:33,445 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 13 [2022-11-25 16:54:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:33,445 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-11-25 16:54:33,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:54:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-25 16:54:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 16:54:33,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:33,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:54:33,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:54:33,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:33,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:33,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1588397300, now seen corresponding path program 1 times [2022-11-25 16:54:33,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:33,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075535275] [2022-11-25 16:54:33,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:54:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:54:33,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:33,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075535275] [2022-11-25 16:54:33,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075535275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:33,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:33,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:54:33,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116333898] [2022-11-25 16:54:33,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:33,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:33,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:33,518 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:54:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:33,529 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2022-11-25 16:54:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:33,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-11-25 16:54:33,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:33,531 INFO L225 Difference]: With dead ends: 81 [2022-11-25 16:54:33,531 INFO L226 Difference]: Without dead ends: 45 [2022-11-25 16:54:33,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:33,533 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:33,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:33,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-25 16:54:33,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-25 16:54:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 40 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-25 16:54:33,541 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 21 [2022-11-25 16:54:33,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:33,542 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-25 16:54:33,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:54:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-25 16:54:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 16:54:33,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:33,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:54:33,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:54:33,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:33,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1768789131, now seen corresponding path program 1 times [2022-11-25 16:54:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:33,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717570202] [2022-11-25 16:54:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:54:33,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:33,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717570202] [2022-11-25 16:54:33,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717570202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:33,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:33,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:54:33,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99291726] [2022-11-25 16:54:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:33,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:54:33,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:54:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:54:33,693 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:54:33,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:33,736 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-11-25 16:54:33,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:54:33,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-25 16:54:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:33,744 INFO L225 Difference]: With dead ends: 45 [2022-11-25 16:54:33,744 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 16:54:33,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 16:54:33,746 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:33,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 140 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:33,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 16:54:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 16:54:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 39 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-11-25 16:54:33,753 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 22 [2022-11-25 16:54:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:33,753 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-11-25 16:54:33,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:54:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-25 16:54:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 16:54:33,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:33,754 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] [2022-11-25 16:54:33,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:54:33,755 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:33,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1002111700, now seen corresponding path program 1 times [2022-11-25 16:54:33,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:33,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060419514] [2022-11-25 16:54:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:33,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:54:34,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060419514] [2022-11-25 16:54:34,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060419514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:54:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741604588] [2022-11-25 16:54:34,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:54:34,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:54:34,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:54:34,064 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:54:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,146 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-11-25 16:54:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:54:34,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-25 16:54:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,149 INFO L225 Difference]: With dead ends: 44 [2022-11-25 16:54:34,150 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 16:54:34,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:54:34,152 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 165 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:54:34,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 16:54:34,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 16:54:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 38 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-25 16:54:34,171 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 23 [2022-11-25 16:54:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,172 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-25 16:54:34,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:54:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-25 16:54:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 16:54:34,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:34,173 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] [2022-11-25 16:54:34,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:54:34,174 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:34,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:34,175 INFO L85 PathProgramCache]: Analyzing trace with hash -543448431, now seen corresponding path program 1 times [2022-11-25 16:54:34,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:34,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630600291] [2022-11-25 16:54:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:54:34,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630600291] [2022-11-25 16:54:34,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630600291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:54:34,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388638728] [2022-11-25 16:54:34,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:34,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:34,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:34,278 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:54:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,307 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2022-11-25 16:54:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:34,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-25 16:54:34,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,309 INFO L225 Difference]: With dead ends: 81 [2022-11-25 16:54:34,310 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 16:54:34,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 16:54:34,314 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 16:54:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 16:54:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-25 16:54:34,331 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 25 [2022-11-25 16:54:34,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,332 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-25 16:54:34,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:54:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-25 16:54:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 16:54:34,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:34,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 16:54:34,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:54:34,334 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:34,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:34,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1708122856, now seen corresponding path program 1 times [2022-11-25 16:54:34,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:34,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897785611] [2022-11-25 16:54:34,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:34,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:54:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 16:54:34,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897785611] [2022-11-25 16:54:34,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897785611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:54:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016634938] [2022-11-25 16:54:34,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:34,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:34,451 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:54:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,466 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-25 16:54:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:34,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-11-25 16:54:34,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,468 INFO L225 Difference]: With dead ends: 43 [2022-11-25 16:54:34,468 INFO L226 Difference]: Without dead ends: 42 [2022-11-25 16:54:34,469 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 16:54:34,471 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 9 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 80 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:34,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-25 16:54:34,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-25 16:54:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-11-25 16:54:34,487 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 31 [2022-11-25 16:54:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,488 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-11-25 16:54:34,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:54:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-25 16:54:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 16:54:34,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:34,489 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 16:54:34,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:54:34,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:34,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:34,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1412201096, now seen corresponding path program 1 times [2022-11-25 16:54:34,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:34,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775398250] [2022-11-25 16:54:34,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:34,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:54:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 16:54:34,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775398250] [2022-11-25 16:54:34,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775398250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:54:34,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465245161] [2022-11-25 16:54:34,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:34,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:34,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:34,578 INFO L87 Difference]: Start difference. First operand 42 states and 48 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:54:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,589 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-25 16:54:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:34,589 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-25 16:54:34,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,591 INFO L225 Difference]: With dead ends: 42 [2022-11-25 16:54:34,591 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 16:54:34,591 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 16:54:34,592 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:34,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 16:54:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-25 16:54:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-25 16:54:34,604 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 32 [2022-11-25 16:54:34,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,605 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-25 16:54:34,606 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:54:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-25 16:54:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 16:54:34,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:34,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1] [2022-11-25 16:54:34,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 16:54:34,612 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:34,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1540798867, now seen corresponding path program 1 times [2022-11-25 16:54:34,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:34,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868903618] [2022-11-25 16:54:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:54:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:54:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 16:54:34,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868903618] [2022-11-25 16:54:34,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868903618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:54:34,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933069823] [2022-11-25 16:54:34,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:34,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:34,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:34,706 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 16:54:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,714 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-25 16:54:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:34,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-25 16:54:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,717 INFO L225 Difference]: With dead ends: 41 [2022-11-25 16:54:34,718 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 16:54:34,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 16:54:34,720 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 85 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 16:54:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-25 16:54:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.096774193548387) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:54:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-25 16:54:34,737 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 40 [2022-11-25 16:54:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,737 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-25 16:54:34,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 16:54:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-25 16:54:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 16:54:34,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:54:34,739 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1] [2022-11-25 16:54:34,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 16:54:34,739 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 16:54:34,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:54:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash -520124491, now seen corresponding path program 1 times [2022-11-25 16:54:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:54:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911256924] [2022-11-25 16:54:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:54:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:54:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:54:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:54:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:54:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:54:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:54:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 16:54:34,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:54:34,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911256924] [2022-11-25 16:54:34,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911256924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:54:34,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:54:34,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:54:34,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113056049] [2022-11-25 16:54:34,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:54:34,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:54:34,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:54:34,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:54:34,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:54:34,828 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 16:54:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:54:34,837 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-25 16:54:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:54:34,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-11-25 16:54:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:54:34,838 INFO L225 Difference]: With dead ends: 40 [2022-11-25 16:54:34,838 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:54:34,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 16:54:34,840 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:54:34,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:54:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:54:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:54:34,842 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 16:54:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:54:34,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-25 16:54:34,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:54:34,843 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:54:34,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 16:54:34,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:54:34,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:54:34,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 16:54:34,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 16:54:34,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 16:54:34,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 16:54:34,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 16:54:34,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 16:54:34,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 16:54:34,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 16:54:34,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 16:54:34,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:54:34,913 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 16:54:34,914 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:54:34,914 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 16:54:34,914 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:54:34,914 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:54:34,914 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 16:54:34,915 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:54:34,915 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2022-11-25 16:54:34,915 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2022-11-25 16:54:34,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-25 16:54:34,915 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1615) no Hoare annotation was computed. [2022-11-25 16:54:34,916 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1615) no Hoare annotation was computed. [2022-11-25 16:54:34,916 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-25 16:54:34,916 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-25 16:54:34,916 INFO L895 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: (and (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-25 16:54:34,916 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2022-11-25 16:54:34,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-25 16:54:34,917 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:54:34,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-25 16:54:34,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:54:34,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-25 16:54:34,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:54:34,918 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-11-25 16:54:34,918 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-11-25 16:54:34,918 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1593) no Hoare annotation was computed. [2022-11-25 16:54:34,918 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-11-25 16:54:34,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-25 16:54:34,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:54:34,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-25 16:54:34,919 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-25 16:54:34,919 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2022-11-25 16:54:34,919 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1638) no Hoare annotation was computed. [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-25 16:54:34,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-25 16:54:34,921 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-25 16:54:34,921 INFO L902 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: true [2022-11-25 16:54:34,921 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1623) no Hoare annotation was computed. [2022-11-25 16:54:34,921 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2022-11-25 16:54:34,921 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1557) no Hoare annotation was computed. [2022-11-25 16:54:34,921 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L899 garLoopResultBuilder]: For program point L1620-2(lines 1617 1631) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1574) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1631) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1594) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1574) no Hoare annotation was computed. [2022-11-25 16:54:34,922 INFO L902 garLoopResultBuilder]: At program point L1645(lines 1639 1646) the Hoare annotation is: true [2022-11-25 16:54:34,923 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0) (<= .cse0 0) (<= 0 .cse0))) [2022-11-25 16:54:34,923 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1582) no Hoare annotation was computed. [2022-11-25 16:54:34,923 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1595) no Hoare annotation was computed. [2022-11-25 16:54:34,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-25 16:54:34,923 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1595) no Hoare annotation was computed. [2022-11-25 16:54:34,924 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2022-11-25 16:54:34,924 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1558 1573) no Hoare annotation was computed. [2022-11-25 16:54:34,927 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:54:34,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:54:34,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:54:34 BoogieIcfgContainer [2022-11-25 16:54:34,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:54:34,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:54:34,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:54:34,938 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:54:34,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:32" (3/4) ... [2022-11-25 16:54:34,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:54:34,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 16:54:34,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 16:54:34,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 16:54:34,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 16:54:34,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 16:54:34,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:54:34,996 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:54:34,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:54:34,996 INFO L158 Benchmark]: Toolchain (without parser) took 5081.85ms. Allocated memory is still 203.4MB. Free memory was 153.5MB in the beginning and 98.4MB in the end (delta: 55.1MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,997 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 148.9MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:54:34,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1737.47ms. Allocated memory is still 203.4MB. Free memory was 153.5MB in the beginning and 160.3MB in the end (delta: -6.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.93ms. Allocated memory is still 203.4MB. Free memory was 160.3MB in the beginning and 157.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,998 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 203.4MB. Free memory was 157.2MB in the beginning and 154.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,998 INFO L158 Benchmark]: RCFGBuilder took 512.12ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 139.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,998 INFO L158 Benchmark]: TraceAbstraction took 2677.79ms. Allocated memory is still 203.4MB. Free memory was 138.3MB in the beginning and 101.6MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-25 16:54:34,999 INFO L158 Benchmark]: Witness Printer took 58.34ms. Allocated memory is still 203.4MB. Free memory was 101.6MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:54:35,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 148.9MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1737.47ms. Allocated memory is still 203.4MB. Free memory was 153.5MB in the beginning and 160.3MB in the end (delta: -6.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.93ms. Allocated memory is still 203.4MB. Free memory was 160.3MB in the beginning and 157.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 203.4MB. Free memory was 157.2MB in the beginning and 154.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.12ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 139.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2677.79ms. Allocated memory is still 203.4MB. Free memory was 138.3MB in the beginning and 101.6MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 58.34ms. Allocated memory is still 203.4MB. Free memory was 101.6MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 1081 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 585 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 496 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 29 PreInvPairs, 34 NumberOfFragments, 93 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 64/64 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 8 specifications checked. All of them hold - InvariantResult [Line: 1639]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:54:35,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b32857-d998-41b2-ac3b-e553bc6f8af5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE