./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 aeb3646ce370c0f28857afc682693f4f72a6de1c42513125ec92b2271f76c281 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:47,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:48,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:08:48,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:48,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:48,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:48,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:48,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:48,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:48,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:48,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:48,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:48,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:48,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:48,079 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:48,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:48,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:48,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:48,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:48,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:48,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:48,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:48,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:08:48,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:08:48,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:48,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:48,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:48,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:48,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:48,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:48,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:48,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:48,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:48,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:48,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:48,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:48,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:48,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:48,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:48,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:48,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:48,090 INFO L153 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_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeb3646ce370c0f28857afc682693f4f72a6de1c42513125ec92b2271f76c281 [2023-11-21 22:08:48,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:48,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:48,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:48,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:48,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:48,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i [2023-11-21 22:08:51,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:51,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:51,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i [2023-11-21 22:08:51,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/data/4646b18d9/cb3d891d155940768454cff65dbde8ca/FLAG867774da1 [2023-11-21 22:08:51,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/data/4646b18d9/cb3d891d155940768454cff65dbde8ca [2023-11-21 22:08:51,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:51,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:51,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:51,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:51,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:51,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:51" (1/1) ... [2023-11-21 22:08:51,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415f310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:51, skipping insertion in model container [2023-11-21 22:08:51,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:51" (1/1) ... [2023-11-21 22:08:52,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:52,473 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:08:53,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:53,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:53,209 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:08:53,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:53,529 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,530 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,530 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,530 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,530 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,530 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:53,538 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:53,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53 WrapperNode [2023-11-21 22:08:53,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:53,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:53,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:53,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:53,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,638 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-21 22:08:53,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:53,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:53,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:53,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:53,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,657 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,671 INFO L187 HeapSplitter]: Split 5 memory accesses to 5 slices as follows [1, 1, 1, 1, 1] [2023-11-21 22:08:53,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:53,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:53,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:53,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:53,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:53,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:53,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 22:08:53,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 22:08:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 22:08:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 22:08:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 22:08:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-21 22:08:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-21 22:08:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-21 22:08:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-21 22:08:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-21 22:08:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 22:08:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:08:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:08:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:08:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:08:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:08:54,064 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:54,067 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:54,300 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:54,352 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:54,352 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:08:54,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:54 BoogieIcfgContainer [2023-11-21 22:08:54,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:54,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:54,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:54,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:54,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:51" (1/3) ... [2023-11-21 22:08:54,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e69124a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:54, skipping insertion in model container [2023-11-21 22:08:54,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53" (2/3) ... [2023-11-21 22:08:54,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e69124a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:54, skipping insertion in model container [2023-11-21 22:08:54,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:54" (3/3) ... [2023-11-21 22:08:54,377 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_05_good.i [2023-11-21 22:08:54,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:54,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-21 22:08:54,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:54,467 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=LoopHeads, 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;@65248275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:54,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-21 22:08:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 22:08:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 22:08:54,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:54,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:54,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:54,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:54,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1959341735, now seen corresponding path program 1 times [2023-11-21 22:08:54,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:54,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262008049] [2023-11-21 22:08:54,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:54,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:54,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262008049] [2023-11-21 22:08:54,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262008049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:54,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:54,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:08:54,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794988403] [2023-11-21 22:08:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:54,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:54,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:54,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:54,951 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:08:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,015 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2023-11-21 22:08:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-21 22:08:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,027 INFO L225 Difference]: With dead ends: 115 [2023-11-21 22:08:55,027 INFO L226 Difference]: Without dead ends: 55 [2023-11-21 22:08:55,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,034 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-21 22:08:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-21 22:08:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2023-11-21 22:08:55,080 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 10 [2023-11-21 22:08:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,081 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2023-11-21 22:08:55,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:08:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-21 22:08:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 22:08:55,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:08:55,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1866061716, now seen corresponding path program 1 times [2023-11-21 22:08:55,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768864350] [2023-11-21 22:08:55,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:55,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768864350] [2023-11-21 22:08:55,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768864350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:55,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718721899] [2023-11-21 22:08:55,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,202 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand has 3 states, 2 states have (on average 5.0) 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) [2023-11-21 22:08:55,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,235 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2023-11-21 22:08:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) 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 [2023-11-21 22:08:55,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,237 INFO L225 Difference]: With dead ends: 56 [2023-11-21 22:08:55,237 INFO L226 Difference]: Without dead ends: 55 [2023-11-21 22:08:55,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,239 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 5 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 115 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-21 22:08:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2023-11-21 22:08:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 47 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-21 22:08:55,251 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 12 [2023-11-21 22:08:55,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,251 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-21 22:08:55,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) 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) [2023-11-21 22:08:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 22:08:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:08:55,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:08:55,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2013338422, now seen corresponding path program 1 times [2023-11-21 22:08:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771023112] [2023-11-21 22:08:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:55,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771023112] [2023-11-21 22:08:55,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771023112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:55,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133857922] [2023-11-21 22:08:55,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,381 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:08:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,451 INFO L93 Difference]: Finished difference Result 98 states and 126 transitions. [2023-11-21 22:08:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-21 22:08:55,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,456 INFO L225 Difference]: With dead ends: 98 [2023-11-21 22:08:55,456 INFO L226 Difference]: Without dead ends: 59 [2023-11-21 22:08:55,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,459 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 8 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 120 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:08:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-21 22:08:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2023-11-21 22:08:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 49 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2023-11-21 22:08:55,471 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 13 [2023-11-21 22:08:55,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,472 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2023-11-21 22:08:55,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:08:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-11-21 22:08:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 22:08:55,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:08:55,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1747297454, now seen corresponding path program 1 times [2023-11-21 22:08:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91132014] [2023-11-21 22:08:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:55,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91132014] [2023-11-21 22:08:55,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91132014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340165919] [2023-11-21 22:08:55,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,551 INFO L87 Difference]: Start difference. First operand 57 states and 75 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, (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) [2023-11-21 22:08:55,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,581 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2023-11-21 22:08:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,582 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, (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 18 [2023-11-21 22:08:55,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,583 INFO L225 Difference]: With dead ends: 58 [2023-11-21 22:08:55,583 INFO L226 Difference]: Without dead ends: 57 [2023-11-21 22:08:55,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,585 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 5 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-21 22:08:55,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2023-11-21 22:08:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 48 states have internal predecessors, (54), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2023-11-21 22:08:55,597 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 18 [2023-11-21 22:08:55,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,598 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2023-11-21 22:08:55,598 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, (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) [2023-11-21 22:08:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-21 22:08:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 22:08:55,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:08:55,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1668353663, now seen corresponding path program 1 times [2023-11-21 22:08:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039151565] [2023-11-21 22:08:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:55,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039151565] [2023-11-21 22:08:55,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039151565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:55,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200983124] [2023-11-21 22:08:55,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,670 INFO L87 Difference]: Start difference. First operand 56 states and 74 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-21 22:08:55,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,703 INFO L93 Difference]: Finished difference Result 84 states and 106 transitions. [2023-11-21 22:08:55,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2023-11-21 22:08:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,705 INFO L225 Difference]: With dead ends: 84 [2023-11-21 22:08:55,705 INFO L226 Difference]: Without dead ends: 60 [2023-11-21 22:08:55,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,707 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 7 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 112 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-21 22:08:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2023-11-21 22:08:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 50 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2023-11-21 22:08:55,718 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 19 [2023-11-21 22:08:55,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,718 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2023-11-21 22:08:55,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-21 22:08:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-21 22:08:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 22:08:55,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:08:55,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,728 INFO L85 PathProgramCache]: Analyzing trace with hash -819279513, now seen corresponding path program 1 times [2023-11-21 22:08:55,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201029385] [2023-11-21 22:08:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:55,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201029385] [2023-11-21 22:08:55,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201029385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:55,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171902592] [2023-11-21 22:08:55,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,804 INFO L87 Difference]: Start difference. First operand 59 states and 78 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, (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) [2023-11-21 22:08:55,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,835 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2023-11-21 22:08:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,836 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, (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 21 [2023-11-21 22:08:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,837 INFO L225 Difference]: With dead ends: 75 [2023-11-21 22:08:55,838 INFO L226 Difference]: Without dead ends: 66 [2023-11-21 22:08:55,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,839 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:55,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 115 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-21 22:08:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2023-11-21 22:08:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:08:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-21 22:08:55,850 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 21 [2023-11-21 22:08:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,851 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-21 22:08:55,851 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, (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) [2023-11-21 22:08:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-21 22:08:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:08:55,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,853 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:08:55,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 414616685, now seen corresponding path program 1 times [2023-11-21 22:08:55,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861057410] [2023-11-21 22:08:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:08:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:08:55,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:55,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861057410] [2023-11-21 22:08:55,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861057410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:55,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:55,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:08:55,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883551052] [2023-11-21 22:08:55,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:55,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:55,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:55,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:55,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:55,932 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-21 22:08:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:55,962 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2023-11-21 22:08:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:55,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 24 [2023-11-21 22:08:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:55,963 INFO L225 Difference]: With dead ends: 99 [2023-11-21 22:08:55,964 INFO L226 Difference]: Without dead ends: 55 [2023-11-21 22:08:55,964 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 [2023-11-21 22:08:55,965 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 52 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 [2023-11-21 22:08:55,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 52 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-21 22:08:55,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-21 22:08:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 46 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 22:08:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-21 22:08:55,975 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 24 [2023-11-21 22:08:55,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:55,975 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-21 22:08:55,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-21 22:08:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-21 22:08:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 22:08:55,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:08:55,978 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:55,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,979 INFO L85 PathProgramCache]: Analyzing trace with hash -200160646, now seen corresponding path program 1 times [2023-11-21 22:08:55,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692750484] [2023-11-21 22:08:55,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:08:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:56,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:56,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692750484] [2023-11-21 22:08:56,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692750484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:56,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:56,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:56,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180990092] [2023-11-21 22:08:56,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:56,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:56,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:56,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:56,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:56,076 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2023-11-21 22:08:56,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:56,099 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2023-11-21 22:08:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:56,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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 30 [2023-11-21 22:08:56,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:56,101 INFO L225 Difference]: With dead ends: 55 [2023-11-21 22:08:56,101 INFO L226 Difference]: Without dead ends: 54 [2023-11-21 22:08:56,102 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 [2023-11-21 22:08:56,103 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:56,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:56,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-21 22:08:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-21 22:08:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.186046511627907) internal successors, (51), 45 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 22:08:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-21 22:08:56,111 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 30 [2023-11-21 22:08:56,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:56,112 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-21 22:08:56,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2023-11-21 22:08:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-21 22:08:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 22:08:56,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:56,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:56,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:08:56,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:08:56,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:56,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1910012564, now seen corresponding path program 1 times [2023-11-21 22:08:56,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:56,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956167115] [2023-11-21 22:08:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:08:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:56,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:56,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956167115] [2023-11-21 22:08:56,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956167115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:56,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:56,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:08:56,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813023334] [2023-11-21 22:08:56,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:56,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:08:56,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:56,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:08:56,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:08:56,256 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-21 22:08:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:56,302 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-11-21 22:08:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:08:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 31 [2023-11-21 22:08:56,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:56,305 INFO L225 Difference]: With dead ends: 54 [2023-11-21 22:08:56,305 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:08:56,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:08:56,311 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 36 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:56,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 90 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:08:56,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:08:56,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:08:56,313 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) [2023-11-21 22:08:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:08:56,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-21 22:08:56,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:56,314 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:08:56,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-21 22:08:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:08:56,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:08:56,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-21 22:08:56,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-21 22:08:56,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-21 22:08:56,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:08:56,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:08:56,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-21 22:08:56,418 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-21 22:08:56,418 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-21 22:08:56,418 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-21 22:08:56,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2023-11-21 22:08:56,419 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1603) no Hoare annotation was computed. [2023-11-21 22:08:56,419 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1621) no Hoare annotation was computed. [2023-11-21 22:08:56,419 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (= ~staticTrue~0 1) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-21 22:08:56,419 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-21 22:08:56,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2023-11-21 22:08:56,420 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2023-11-21 22:08:56,420 INFO L899 garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed. [2023-11-21 22:08:56,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2023-11-21 22:08:56,420 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1655(line 1655) no Hoare annotation was computed. [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1642) no Hoare annotation was computed. [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1647-2(lines 1644 1659) no Hoare annotation was computed. [2023-11-21 22:08:56,421 INFO L895 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: (= ~staticTrue~0 1) [2023-11-21 22:08:56,421 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,421 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point L1639-1(line 1639) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L895 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~staticTrue~0 1) [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1585) no Hoare annotation was computed. [2023-11-21 22:08:56,422 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1550 1587) no Hoare annotation was computed. [2023-11-21 22:08:56,423 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2023-11-21 22:08:56,423 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,423 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1619) no Hoare annotation was computed. [2023-11-21 22:08:56,423 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1605) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1592-2(lines 1589 1621) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1584) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1633) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 1623 1642) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1659) no Hoare annotation was computed. [2023-11-21 22:08:56,424 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1618) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1596 1603) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-21 22:08:56,425 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1640) no Hoare annotation was computed. [2023-11-21 22:08:56,426 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2023-11-21 22:08:56,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2023-11-21 22:08:56,426 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: false [2023-11-21 22:08:56,426 INFO L899 garLoopResultBuilder]: For program point L1653(lines 1653 1657) no Hoare annotation was computed. [2023-11-21 22:08:56,426 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed. [2023-11-21 22:08:56,426 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1587) no Hoare annotation was computed. [2023-11-21 22:08:56,427 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2023-11-21 22:08:56,429 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,429 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2023-11-21 22:08:56,430 INFO L899 garLoopResultBuilder]: For program point L1579-1(line 1579) no Hoare annotation was computed. [2023-11-21 22:08:56,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2023-11-21 22:08:56,430 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2023-11-21 22:08:56,430 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2023-11-21 22:08:56,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:56,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:08:56,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:08:56 BoogieIcfgContainer [2023-11-21 22:08:56,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:08:56,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:08:56,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:08:56,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:08:56,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:54" (3/4) ... [2023-11-21 22:08:56,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:08:56,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 22:08:56,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 22:08:56,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 22:08:56,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 22:08:56,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:08:56,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:08:56,462 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:08:56,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:08:56,579 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:08:56,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:08:56,580 INFO L158 Benchmark]: Toolchain (without parser) took 4620.82ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 107.4MB in the beginning and 116.8MB in the end (delta: -9.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,580 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:56,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1580.11ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 106.9MB in the beginning and 138.2MB in the end (delta: -31.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.17ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 135.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,583 INFO L158 Benchmark]: Boogie Preprocessor took 60.37ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 131.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,584 INFO L158 Benchmark]: RCFGBuilder took 663.87ms. Allocated memory is still 192.9MB. Free memory was 131.9MB in the beginning and 112.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,584 INFO L158 Benchmark]: TraceAbstraction took 2074.35ms. Allocated memory is still 192.9MB. Free memory was 111.0MB in the beginning and 123.1MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:56,585 INFO L158 Benchmark]: Witness Printer took 135.76ms. Allocated memory is still 192.9MB. Free memory was 122.0MB in the beginning and 116.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1580.11ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 106.9MB in the beginning and 138.2MB in the end (delta: -31.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.17ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 135.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.37ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 131.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.87ms. Allocated memory is still 192.9MB. Free memory was 131.9MB in the beginning and 112.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2074.35ms. Allocated memory is still 192.9MB. Free memory was 111.0MB in the beginning and 123.1MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.76ms. Allocated memory is still 192.9MB. Free memory was 122.0MB in the beginning and 116.8MB in the end (delta: 5.2MB). 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 885 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 355 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 530 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 9 MinimizatonAttempts, 8 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 47 PreInvPairs, 55 NumberOfFragments, 90 HoareAnnotationTreeSize, 47 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:08:56,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee2d8f8-7505-44e9-8cae-3274dfe03774/bin/uautomizer-verify-bycVGegfSx/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