./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_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_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/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_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/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_7045a117-56ea-4484-96bf-4585cb988d14/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 e5f53c50d5a2b80eb28cf262e73a148c1ae8e843c3f86573e6f39225ff6159e1 --- 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 16:58:48,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:58:48,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:58:48,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:58:48,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:58:48,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:58:48,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:58:49,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:58:49,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:58:49,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:58:49,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:58:49,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:58:49,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:58:49,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:58:49,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:58:49,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:58:49,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:58:49,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:58:49,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:58:49,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:58:49,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:58:49,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:58:49,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:58:49,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:58:49,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:58:49,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:58:49,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:58:49,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:58:49,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:58:49,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:58:49,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:58:49,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:58:49,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:58:49,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:58:49,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:58:49,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:58:49,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:58:49,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:58:49,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:58:49,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:58:49,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:58:49,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:58:49,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:58:49,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:58:49,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:58:49,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:58:49,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:58:49,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:58:49,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:58:49,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:58:49,118 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:58:49,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:58:49,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:58:49,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:58:49,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:58:49,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:58:49,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:58:49,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:58:49,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:58:49,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:58:49,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:58:49,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:58:49,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:58:49,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:58:49,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:58:49,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:49,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:58:49,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:58:49,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:58:49,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:58:49,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:58:49,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:58:49,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:58:49,125 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:58:49,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:58:49,126 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_7045a117-56ea-4484-96bf-4585cb988d14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5f53c50d5a2b80eb28cf262e73a148c1ae8e843c3f86573e6f39225ff6159e1 [2022-11-25 16:58:49,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:58:49,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:58:49,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:58:49,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:58:49,541 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:58:49,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i [2022-11-25 16:58:53,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:58:53,691 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:58:53,699 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i [2022-11-25 16:58:53,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/data/eb26a9a31/f6bced27afc94b0c89bf885597807735/FLAGf532ab061 [2022-11-25 16:58:53,764 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/data/eb26a9a31/f6bced27afc94b0c89bf885597807735 [2022-11-25 16:58:53,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:58:53,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:58:53,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:53,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:58:53,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:58:53,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:53" (1/1) ... [2022-11-25 16:58:53,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7788664d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53, skipping insertion in model container [2022-11-25 16:58:53,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:53" (1/1) ... [2022-11-25 16:58:53,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:58:53,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:58:54,409 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:55,061 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:55,069 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:55,072 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:55,075 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:55,077 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:55,118 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:55,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:55,152 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:58:55,191 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:55,290 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:55,296 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:55,297 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:55,301 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:55,302 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:55,316 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:55,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:55,453 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:58:55,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55 WrapperNode [2022-11-25 16:58:55,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:55,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:55,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:58:55,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:58:55,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,534 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 77 [2022-11-25 16:58:55,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:55,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:58:55,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:58:55,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:58:55,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:58:55,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:58:55,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:58:55,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:58:55,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (1/1) ... [2022-11-25 16:58:55,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:58:55,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:58:55,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:58:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 16:58:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 16:58:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:58:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:58:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:58:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:58:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:58:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:58:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:58:55,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:58:55,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:58:56,142 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:58:56,150 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:58:56,150 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:58:56,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:56 BoogieIcfgContainer [2022-11-25 16:58:56,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:58:56,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:58:56,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:58:56,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:58:56,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:58:53" (1/3) ... [2022-11-25 16:58:56,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e10d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:56, skipping insertion in model container [2022-11-25 16:58:56,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:55" (2/3) ... [2022-11-25 16:58:56,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e10d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:56, skipping insertion in model container [2022-11-25 16:58:56,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:56" (3/3) ... [2022-11-25 16:58:56,164 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_22_good.i [2022-11-25 16:58:56,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:58:56,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 16:58:56,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:58:56,279 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;@3ee82699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:58:56,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 16:58:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.46875) internal successors, (47), 44 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 16:58:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:58:56,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:56,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:56,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash 570047640, now seen corresponding path program 1 times [2022-11-25 16:58:56,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:56,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270952884] [2022-11-25 16:58:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,713 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 16:58:56,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:56,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270952884] [2022-11-25 16:58:56,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270952884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:56,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:56,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:58:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864319451] [2022-11-25 16:58:56,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:56,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:56,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:56,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:56,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:56,789 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.46875) internal successors, (47), 44 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) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 16:58:56,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:56,826 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2022-11-25 16:58:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:56,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 16:58:56,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:56,844 INFO L225 Difference]: With dead ends: 84 [2022-11-25 16:58:56,844 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 16:58:56,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 16:58:56,853 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 30 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 69 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 16:58:56,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:56,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 16:58:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 16:58:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 30 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:58:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-11-25 16:58:56,908 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 12 [2022-11-25 16:58:56,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:56,910 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-25 16:58:56,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 16:58:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-25 16:58:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 16:58:56,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:56,912 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:56,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:58:56,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash -37729046, now seen corresponding path program 1 times [2022-11-25 16:58:56,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:56,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511131590] [2022-11-25 16:58:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 16:58:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,002 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 16:58:57,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511131590] [2022-11-25 16:58:57,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511131590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:58:57,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333572722] [2022-11-25 16:58:57,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,007 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 16:58:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,023 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2022-11-25 16:58:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2022-11-25 16:58:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,025 INFO L225 Difference]: With dead ends: 61 [2022-11-25 16:58:57,025 INFO L226 Difference]: Without dead ends: 34 [2022-11-25 16:58:57,026 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 16:58:57,028 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:57,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-25 16:58:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-25 16:58:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 29 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 16:58:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-11-25 16:58:57,037 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 20 [2022-11-25 16:58:57,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,038 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-11-25 16:58:57,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 16:58:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-11-25 16:58:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 16:58:57,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:57,040 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 16:58:57,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:58:57,040 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:57,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:57,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1770003429, now seen corresponding path program 1 times [2022-11-25 16:58:57,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:57,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220758005] [2022-11-25 16:58:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:57,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:58:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,189 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 16:58:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220758005] [2022-11-25 16:58:57,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220758005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:58:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851842796] [2022-11-25 16:58:57,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,193 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 16:58:57,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,215 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-11-25 16:58:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 16:58:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,217 INFO L225 Difference]: With dead ends: 42 [2022-11-25 16:58:57,217 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 16:58:57,218 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 16:58:57,219 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:57,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 71 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 16:58:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2022-11-25 16:58:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.25) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 16:58:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-11-25 16:58:57,228 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 22 [2022-11-25 16:58:57,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,228 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-11-25 16:58:57,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 16:58:57,229 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-25 16:58:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 16:58:57,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:57,230 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 16:58:57,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:58:57,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:57,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:57,231 INFO L85 PathProgramCache]: Analyzing trace with hash -964468465, now seen corresponding path program 1 times [2022-11-25 16:58:57,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:57,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965665861] [2022-11-25 16:58:57,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:58:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,292 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 16:58:57,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965665861] [2022-11-25 16:58:57,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965665861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:58:57,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792717766] [2022-11-25 16:58:57,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,296 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 16:58:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,314 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-25 16:58:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 16:58:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,316 INFO L225 Difference]: With dead ends: 41 [2022-11-25 16:58:57,316 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 16:58:57,317 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 16:58:57,318 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:57,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 50 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 16:58:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-25 16:58:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 27 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 16:58:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-11-25 16:58:57,331 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2022-11-25 16:58:57,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,332 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-11-25 16:58:57,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 16:58:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-25 16:58:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 16:58:57,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:57,337 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] [2022-11-25 16:58:57,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:58:57,337 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:57,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash 756933799, now seen corresponding path program 1 times [2022-11-25 16:58:57,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:57,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579931446] [2022-11-25 16:58:57,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:58:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,432 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 16:58:57,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579931446] [2022-11-25 16:58:57,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579931446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:58:57,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945049923] [2022-11-25 16:58:57,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,436 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 16:58:57,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,449 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2022-11-25 16:58:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 24 [2022-11-25 16:58:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,451 INFO L225 Difference]: With dead ends: 44 [2022-11-25 16:58:57,451 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 16:58:57,451 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 16:58:57,453 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 52 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 16:58:57,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 52 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 16:58:57,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-25 16:58:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 29 states have internal predecessors, (31), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 16:58:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-25 16:58:57,463 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 24 [2022-11-25 16:58:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,463 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-25 16:58:57,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 16:58:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-25 16:58:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 16:58:57,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:57,465 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 16:58:57,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:58:57,466 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2104517322, now seen corresponding path program 1 times [2022-11-25 16:58:57,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:57,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589256738] [2022-11-25 16:58:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:58:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:58:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,549 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 16:58:57,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589256738] [2022-11-25 16:58:57,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589256738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:58:57,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671911013] [2022-11-25 16:58:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,553 INFO L87 Difference]: Start difference. First operand 36 states and 39 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 16:58:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,564 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-25 16:58:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,564 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 16:58:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,566 INFO L225 Difference]: With dead ends: 36 [2022-11-25 16:58:57,566 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 16:58:57,566 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 16:58:57,568 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 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 16:58:57,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 16:58:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 16:58:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 16:58:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-11-25 16:58:57,575 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 31 [2022-11-25 16:58:57,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,576 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-11-25 16:58:57,576 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 16:58:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-11-25 16:58:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 16:58:57,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:57,577 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 16:58:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:58:57,578 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:58:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash 815527650, now seen corresponding path program 1 times [2022-11-25 16:58:57,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:57,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591079984] [2022-11-25 16:58:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:57,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:58:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:58:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:57,706 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 16:58:57,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:57,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591079984] [2022-11-25 16:58:57,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591079984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:57,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:57,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:58:57,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654884536] [2022-11-25 16:58:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:57,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:57,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:57,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:57,710 INFO L87 Difference]: Start difference. First operand 35 states and 38 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 16:58:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:57,734 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2022-11-25 16:58:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:57,735 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 16:58:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:57,738 INFO L225 Difference]: With dead ends: 35 [2022-11-25 16:58:57,739 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:58:57,739 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 16:58:57,742 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 60 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 16:58:57,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:58:57,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:58:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:58:57,754 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 16:58:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:58:57,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-25 16:58:57,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:57,755 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:58:57,755 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 16:58:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:58:57,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:58:57,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 16:58:57,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 16:58:57,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 16:58:57,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 16:58:57,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 16:58:57,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 16:58:57,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:58:57,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:58:57,868 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 16:58:57,869 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:58:57,869 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 16:58:57,870 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:58:57,870 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:58:57,871 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 16:58:57,871 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:58:57,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-25 16:58:57,872 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-25 16:58:57,872 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-11-25 16:58:57,872 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1632) no Hoare annotation was computed. [2022-11-25 16:58:57,873 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1634) no Hoare annotation was computed. [2022-11-25 16:58:57,873 INFO L895 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0) [2022-11-25 16:58:57,874 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1613) no Hoare annotation was computed. [2022-11-25 16:58:57,874 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:58:57,875 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-25 16:58:57,875 INFO L895 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Global~0) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G2Sink_~data#1| 1) 0) (= ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G2Global~0 1)) [2022-11-25 16:58:57,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:58:57,876 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1615) no Hoare annotation was computed. [2022-11-25 16:58:57,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-11-25 16:58:57,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:58:57,877 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Global~0) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G2Sink_~data#1| 1) 0) (= ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G2Global~0 1) (<= 0 (+ 1073741823 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G2Sink_~data#1|))) [2022-11-25 16:58:57,878 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0) [2022-11-25 16:58:57,878 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 16:58:57,878 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1559) no Hoare annotation was computed. [2022-11-25 16:58:57,879 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2022-11-25 16:58:57,879 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1645) no Hoare annotation was computed. [2022-11-25 16:58:57,879 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-25 16:58:57,879 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:58:57,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-11-25 16:58:57,880 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1568) no Hoare annotation was computed. [2022-11-25 16:58:57,880 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1631) no Hoare annotation was computed. [2022-11-25 16:58:57,881 INFO L895 garLoopResultBuilder]: At program point L1590(lines 1584 1591) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0) [2022-11-25 16:58:57,881 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1633) no Hoare annotation was computed. [2022-11-25 16:58:57,881 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1583) no Hoare annotation was computed. [2022-11-25 16:58:57,882 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-25 16:58:57,882 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-11-25 16:58:57,882 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1614) no Hoare annotation was computed. [2022-11-25 16:58:57,882 INFO L899 garLoopResultBuilder]: For program point L1603-1(lines 1597 1615) no Hoare annotation was computed. [2022-11-25 16:58:57,883 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-25 16:58:57,883 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-11-25 16:58:57,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-25 16:58:57,883 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= 0 ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Global~0) [2022-11-25 16:58:57,886 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 16:58:57,887 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Global~0) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_22_goodB2G1Sink_~data#1| 2147483648) 0)) [2022-11-25 16:58:57,887 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2022-11-25 16:58:57,888 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2022-11-25 16:58:57,888 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2022-11-25 16:58:57,888 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1644) no Hoare annotation was computed. [2022-11-25 16:58:57,896 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:57,899 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:58:57,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:58:57 BoogieIcfgContainer [2022-11-25 16:58:57,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:58:57,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:58:57,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:58:57,922 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:58:57,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:56" (3/4) ... [2022-11-25 16:58:57,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:58:57,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 16:58:57,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 16:58:57,951 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 16:58:57,952 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 16:58:57,952 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 16:58:57,953 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:58:58,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:58:58,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:58:58,023 INFO L158 Benchmark]: Toolchain (without parser) took 4251.24ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 121.2MB in the end (delta: 12.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,023 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:58:58,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1676.15ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 73.0MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.67ms. Allocated memory is still 174.1MB. Free memory was 73.0MB in the beginning and 70.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,025 INFO L158 Benchmark]: Boogie Preprocessor took 59.60ms. Allocated memory is still 174.1MB. Free memory was 70.3MB in the beginning and 68.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,026 INFO L158 Benchmark]: RCFGBuilder took 555.01ms. Allocated memory is still 174.1MB. Free memory was 68.2MB in the beginning and 54.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,026 INFO L158 Benchmark]: TraceAbstraction took 1765.12ms. Allocated memory is still 174.1MB. Free memory was 53.5MB in the beginning and 124.4MB in the end (delta: -70.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:58:58,026 INFO L158 Benchmark]: Witness Printer took 101.08ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 121.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:58:58,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1676.15ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 73.0MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.67ms. Allocated memory is still 174.1MB. Free memory was 73.0MB in the beginning and 70.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.60ms. Allocated memory is still 174.1MB. Free memory was 70.3MB in the beginning and 68.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.01ms. Allocated memory is still 174.1MB. Free memory was 68.2MB in the beginning and 54.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1765.12ms. Allocated memory is still 174.1MB. Free memory was 53.5MB in the beginning and 124.4MB in the end (delta: -70.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.08ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 121.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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, 49 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 400 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 264 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 23 PreInvPairs, 28 NumberOfFragments, 70 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 40/40 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 6 specifications checked. All of them hold - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: data + 2147483648 <= 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:58:58,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045a117-56ea-4484-96bf-4585cb988d14/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