./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/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_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/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_f140d208-2246-410c-b989-2bc32d7fcc6c/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 f866e88c723a0d278811cf67ea20623190aee0ecc7d8411898ae16553e842654 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:03:20,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:03:20,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 21:03:20,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:03:20,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:03:20,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:03:20,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:03:20,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:03:20,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:03:20,880 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:03:20,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:03:20,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:03:20,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:03:20,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:03:20,883 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:03:20,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:03:20,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:03:20,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:03:20,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:03:20,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:03:20,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:03:20,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:03:20,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 21:03:20,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:03:20,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:03:20,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:03:20,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:03:20,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:03:20,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:03:20,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:03:20,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:20,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:03:20,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:03:20,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:03:20,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:03:20,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:03:20,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:03:20,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:03:20,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:03:20,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:03:20,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:03:20,899 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_f140d208-2246-410c-b989-2bc32d7fcc6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f866e88c723a0d278811cf67ea20623190aee0ecc7d8411898ae16553e842654 [2023-11-21 21:03:21,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:03:21,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:03:21,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:03:21,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:03:21,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:03:21,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2023-11-21 21:03:24,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:24,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:24,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2023-11-21 21:03:24,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/data/c48064f5a/1d314998681e4acd800de8cd22f45e50/FLAG6e3fe431f [2023-11-21 21:03:24,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/data/c48064f5a/1d314998681e4acd800de8cd22f45e50 [2023-11-21 21:03:24,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:24,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:24,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:24,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:25,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:25,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:24" (1/1) ... [2023-11-21 21:03:25,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88d9aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:25, skipping insertion in model container [2023-11-21 21:03:25,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:24" (1/1) ... [2023-11-21 21:03:25,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:25,585 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:26,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:26,251 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:26,271 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:26,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:26,562 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:26,562 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:26,563 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:26,563 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:26,564 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:26,573 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:26,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26 WrapperNode [2023-11-21 21:03:26,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:26,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:26,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:26,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:26,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,700 INFO L138 Inliner]: procedures = 503, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2023-11-21 21:03:26,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:26,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:26,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:26,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:26,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,738 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,777 INFO L187 HeapSplitter]: Split 11 memory accesses to 3 slices as follows [1, 5, 5] [2023-11-21 21:03:26,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:26,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:26,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:26,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:26,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (1/1) ... [2023-11-21 21:03:26,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:26,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:26,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 21:03:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 21:03:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 21:03:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 21:03:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:03:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:03:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:03:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:03:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:03:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 21:03:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:03:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:03:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:03:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:03:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:03:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:03:27,095 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:27,097 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:27,380 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:27,468 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:27,468 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:03:27,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:27 BoogieIcfgContainer [2023-11-21 21:03:27,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:27,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:27,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:27,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:27,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:24" (1/3) ... [2023-11-21 21:03:27,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333b9e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:27, skipping insertion in model container [2023-11-21 21:03:27,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:26" (2/3) ... [2023-11-21 21:03:27,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333b9e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:27, skipping insertion in model container [2023-11-21 21:03:27,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:27" (3/3) ... [2023-11-21 21:03:27,492 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2023-11-21 21:03:27,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:27,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-21 21:03:27,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:27,578 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;@3e342f48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:27,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-21 21:03:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 64 states have internal predecessors, (75), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 21:03:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 21:03:27,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:27,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:27,597 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 21:03:27,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:27,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2134488130, now seen corresponding path program 1 times [2023-11-21 21:03:27,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:27,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539549767] [2023-11-21 21:03:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:27,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,167 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 21:03:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:28,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539549767] [2023-11-21 21:03:28,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539549767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:28,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:28,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476346319] [2023-11-21 21:03:28,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:28,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:28,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:28,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:28,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:28,218 INFO L87 Difference]: Start difference. First operand has 73 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 64 states have internal predecessors, (75), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 21:03:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:28,357 INFO L93 Difference]: Finished difference Result 73 states and 107 transitions. [2023-11-21 21:03:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:28,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 21:03:28,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:28,371 INFO L225 Difference]: With dead ends: 73 [2023-11-21 21:03:28,371 INFO L226 Difference]: Without dead ends: 64 [2023-11-21 21:03:28,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:28,379 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 2 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:28,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 353 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:03:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-21 21:03:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-21 21:03:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 57 states have internal predecessors, (66), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:03:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 92 transitions. [2023-11-21 21:03:28,518 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 92 transitions. Word has length 12 [2023-11-21 21:03:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:28,519 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 92 transitions. [2023-11-21 21:03:28,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 21:03:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-21 21:03:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 21:03:28,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:28,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:28,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:03:28,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:28,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:28,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1744622514, now seen corresponding path program 1 times [2023-11-21 21:03:28,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:28,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682839598] [2023-11-21 21:03:28,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:28,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,706 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 21:03:28,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:28,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682839598] [2023-11-21 21:03:28,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682839598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:28,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:28,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:28,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774513908] [2023-11-21 21:03:28,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:28,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:28,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:28,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:28,711 INFO L87 Difference]: Start difference. First operand 64 states and 92 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:03:28,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:28,828 INFO L93 Difference]: Finished difference Result 65 states and 93 transitions. [2023-11-21 21:03:28,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:28,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-21 21:03:28,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:28,831 INFO L225 Difference]: With dead ends: 65 [2023-11-21 21:03:28,831 INFO L226 Difference]: Without dead ends: 64 [2023-11-21 21:03:28,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:28,834 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 5 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:28,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 299 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:03:28,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-21 21:03:28,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-11-21 21:03:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 56 states have internal predecessors, (65), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:03:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 91 transitions. [2023-11-21 21:03:28,848 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 91 transitions. Word has length 13 [2023-11-21 21:03:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:28,848 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 91 transitions. [2023-11-21 21:03:28,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:03:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-11-21 21:03:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 21:03:28,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:28,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:28,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:03:28,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:28,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:28,852 INFO L85 PathProgramCache]: Analyzing trace with hash 849807702, now seen corresponding path program 1 times [2023-11-21 21:03:28,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:28,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625385325] [2023-11-21 21:03:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:28,928 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 21:03:28,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:28,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625385325] [2023-11-21 21:03:28,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625385325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:28,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:28,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:03:28,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26071207] [2023-11-21 21:03:28,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:28,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:28,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:28,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:28,933 INFO L87 Difference]: Start difference. First operand 63 states and 91 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 21:03:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:28,973 INFO L93 Difference]: Finished difference Result 109 states and 154 transitions. [2023-11-21 21:03:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:28,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2023-11-21 21:03:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:28,976 INFO L225 Difference]: With dead ends: 109 [2023-11-21 21:03:28,976 INFO L226 Difference]: Without dead ends: 63 [2023-11-21 21:03:28,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:28,979 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 8 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:28,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 150 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:28,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-21 21:03:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-21 21:03:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 56 states have internal predecessors, (64), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:03:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2023-11-21 21:03:28,994 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 16 [2023-11-21 21:03:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:28,995 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2023-11-21 21:03:28,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 21:03:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2023-11-21 21:03:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 21:03:28,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:28,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:28,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:03:28,998 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 21:03:28,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:28,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1763605847, now seen corresponding path program 1 times [2023-11-21 21:03:28,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:28,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241020048] [2023-11-21 21:03:28,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,157 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 21:03:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:29,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241020048] [2023-11-21 21:03:29,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241020048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:29,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:29,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259209193] [2023-11-21 21:03:29,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:29,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:29,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:29,161 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 21:03:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:29,219 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2023-11-21 21:03:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:29,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 17 [2023-11-21 21:03:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:29,222 INFO L225 Difference]: With dead ends: 63 [2023-11-21 21:03:29,222 INFO L226 Difference]: Without dead ends: 62 [2023-11-21 21:03:29,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:29,224 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:29,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 296 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-21 21:03:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-21 21:03:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.5) internal successors, (63), 55 states have internal predecessors, (63), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:03:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2023-11-21 21:03:29,236 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 17 [2023-11-21 21:03:29,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:29,237 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2023-11-21 21:03:29,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 21:03:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-11-21 21:03:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 21:03:29,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:29,239 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 21:03:29,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:03:29,240 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 21:03:29,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1162793708, now seen corresponding path program 1 times [2023-11-21 21:03:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:29,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246996001] [2023-11-21 21:03:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,363 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 21:03:29,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:29,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246996001] [2023-11-21 21:03:29,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246996001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:29,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:29,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:29,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867083854] [2023-11-21 21:03:29,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:29,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:29,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:29,367 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (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 21:03:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:29,437 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2023-11-21 21:03:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (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 21:03:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:29,439 INFO L225 Difference]: With dead ends: 63 [2023-11-21 21:03:29,439 INFO L226 Difference]: Without dead ends: 62 [2023-11-21 21:03:29,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:29,441 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 5 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:29,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 290 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:03:29,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-21 21:03:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2023-11-21 21:03:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 54 states have internal predecessors, (62), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:03:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2023-11-21 21:03:29,452 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 18 [2023-11-21 21:03:29,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:29,453 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2023-11-21 21:03:29,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (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 21:03:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-11-21 21:03:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 21:03:29,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:29,455 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 21:03:29,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:03:29,455 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 21:03:29,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash -238312584, now seen corresponding path program 1 times [2023-11-21 21:03:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:29,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817784613] [2023-11-21 21:03:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,514 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 21:03:29,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:29,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817784613] [2023-11-21 21:03:29,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817784613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:29,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:29,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:03:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111955390] [2023-11-21 21:03:29,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:29,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:29,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:29,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:29,518 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) 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 21:03:29,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:29,546 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2023-11-21 21:03:29,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:29,548 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), 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 21:03:29,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:29,550 INFO L225 Difference]: With dead ends: 90 [2023-11-21 21:03:29,550 INFO L226 Difference]: Without dead ends: 59 [2023-11-21 21:03:29,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:29,570 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 8 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:29,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 140 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-21 21:03:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-21 21:03:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 52 states have internal predecessors, (59), 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 21:03:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions. [2023-11-21 21:03:29,581 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 21 [2023-11-21 21:03:29,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:29,584 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions. [2023-11-21 21:03:29,585 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), 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 21:03:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-11-21 21:03:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 21:03:29,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:29,588 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 21:03:29,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:03:29,588 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 21:03:29,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:29,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1875189788, now seen corresponding path program 1 times [2023-11-21 21:03:29,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:29,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142483379] [2023-11-21 21:03:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,702 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 21:03:29,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:29,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142483379] [2023-11-21 21:03:29,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142483379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:29,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:29,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:29,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97486153] [2023-11-21 21:03:29,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:29,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:29,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:29,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:29,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:29,705 INFO L87 Difference]: Start difference. First operand 59 states and 83 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 21:03:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:29,744 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2023-11-21 21:03:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:29,747 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 21:03:29,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:29,748 INFO L225 Difference]: With dead ends: 59 [2023-11-21 21:03:29,748 INFO L226 Difference]: Without dead ends: 58 [2023-11-21 21:03:29,749 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 21:03:29,752 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 9 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:29,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 130 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:29,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-21 21:03:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-21 21:03:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 51 states have internal predecessors, (58), 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 21:03:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 82 transitions. [2023-11-21 21:03:29,770 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 82 transitions. Word has length 21 [2023-11-21 21:03:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:29,771 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 82 transitions. [2023-11-21 21:03:29,771 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 21:03:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-21 21:03:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 21:03:29,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:29,772 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] [2023-11-21 21:03:29,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:03:29,773 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:29,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:29,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1998658877, now seen corresponding path program 1 times [2023-11-21 21:03:29,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:29,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126583302] [2023-11-21 21:03:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:29,864 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 21:03:29,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:29,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126583302] [2023-11-21 21:03:29,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126583302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:29,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:29,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:29,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985634487] [2023-11-21 21:03:29,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:29,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:29,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:29,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:29,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:29,868 INFO L87 Difference]: Start difference. First operand 58 states and 82 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 21:03:29,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:29,901 INFO L93 Difference]: Finished difference Result 77 states and 106 transitions. [2023-11-21 21:03:29,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:29,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 22 [2023-11-21 21:03:29,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:29,903 INFO L225 Difference]: With dead ends: 77 [2023-11-21 21:03:29,903 INFO L226 Difference]: Without dead ends: 63 [2023-11-21 21:03:29,904 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 21:03:29,906 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 7 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:29,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 139 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-21 21:03:29,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2023-11-21 21:03:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.3863636363636365) 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 21:03:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2023-11-21 21:03:29,931 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2023-11-21 21:03:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:29,934 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2023-11-21 21:03:29,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 21:03:29,935 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-11-21 21:03:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 21:03:29,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:29,941 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] [2023-11-21 21:03:29,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:03:29,942 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:29,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:29,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2133603505, now seen corresponding path program 1 times [2023-11-21 21:03:29,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:29,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284315805] [2023-11-21 21:03:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,014 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 21:03:30,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:30,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284315805] [2023-11-21 21:03:30,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284315805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:30,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:03:30,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540506259] [2023-11-21 21:03:30,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:30,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:30,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:30,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:30,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,018 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 21:03:30,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:30,050 INFO L93 Difference]: Finished difference Result 73 states and 99 transitions. [2023-11-21 21:03:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:30,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 26 [2023-11-21 21:03:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:30,052 INFO L225 Difference]: With dead ends: 73 [2023-11-21 21:03:30,053 INFO L226 Difference]: Without dead ends: 58 [2023-11-21 21:03:30,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,055 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:30,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 129 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-21 21:03:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-21 21:03:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 50 states have internal predecessors, (57), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 21:03:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 79 transitions. [2023-11-21 21:03:30,080 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 79 transitions. Word has length 26 [2023-11-21 21:03:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:30,080 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 79 transitions. [2023-11-21 21:03:30,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 21:03:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2023-11-21 21:03:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 21:03:30,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:30,086 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:30,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:03:30,086 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:30,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1482009194, now seen corresponding path program 1 times [2023-11-21 21:03:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:30,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510548563] [2023-11-21 21:03:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:30,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 21:03:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,186 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 21:03:30,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510548563] [2023-11-21 21:03:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510548563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:30,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:30,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:03:30,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141987871] [2023-11-21 21:03:30,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:30,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,188 INFO L87 Difference]: Start difference. First operand 58 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 21:03:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:30,216 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2023-11-21 21:03:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:30,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 29 [2023-11-21 21:03:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:30,218 INFO L225 Difference]: With dead ends: 77 [2023-11-21 21:03:30,218 INFO L226 Difference]: Without dead ends: 54 [2023-11-21 21:03:30,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,219 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:30,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:30,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-21 21:03:30,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-21 21:03:30,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.3) internal successors, (52), 47 states have internal predecessors, (52), 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 21:03:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 72 transitions. [2023-11-21 21:03:30,229 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 72 transitions. Word has length 29 [2023-11-21 21:03:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:30,230 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 72 transitions. [2023-11-21 21:03:30,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 21:03:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2023-11-21 21:03:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 21:03:30,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:30,232 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, 1] [2023-11-21 21:03:30,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:03:30,233 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:30,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash 69139112, now seen corresponding path program 1 times [2023-11-21 21:03:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:30,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425033329] [2023-11-21 21:03:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:03:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,331 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 21:03:30,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:30,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425033329] [2023-11-21 21:03:30,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425033329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:30,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:30,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:30,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881553429] [2023-11-21 21:03:30,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:30,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:30,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:30,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,339 INFO L87 Difference]: Start difference. First operand 54 states and 72 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 21:03:30,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:30,365 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2023-11-21 21:03:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:30,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 32 [2023-11-21 21:03:30,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:30,368 INFO L225 Difference]: With dead ends: 54 [2023-11-21 21:03:30,368 INFO L226 Difference]: Without dead ends: 53 [2023-11-21 21:03:30,368 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 21:03:30,369 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 5 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:30,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 115 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:30,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-21 21:03:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-21 21:03:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.275) internal successors, (51), 46 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 21:03:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2023-11-21 21:03:30,383 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 32 [2023-11-21 21:03:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:30,386 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2023-11-21 21:03:30,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 21:03:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-11-21 21:03:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 21:03:30,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:30,389 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, 1, 1] [2023-11-21 21:03:30,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 21:03:30,390 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:30,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2143312673, now seen corresponding path program 1 times [2023-11-21 21:03:30,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:30,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869988834] [2023-11-21 21:03:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:03:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,492 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 21:03:30,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:30,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869988834] [2023-11-21 21:03:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869988834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:30,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:30,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:30,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554825017] [2023-11-21 21:03:30,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:30,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:30,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:30,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:30,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,496 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 21:03:30,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:30,553 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2023-11-21 21:03:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:30,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 33 [2023-11-21 21:03:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:30,555 INFO L225 Difference]: With dead ends: 59 [2023-11-21 21:03:30,555 INFO L226 Difference]: Without dead ends: 53 [2023-11-21 21:03:30,555 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 21:03:30,556 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:30,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-21 21:03:30,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-21 21:03:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.25) internal successors, (50), 46 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 21:03:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2023-11-21 21:03:30,565 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 33 [2023-11-21 21:03:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:30,566 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2023-11-21 21:03:30,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 21:03:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-21 21:03:30,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 21:03:30,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:30,570 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, 1, 1, 1] [2023-11-21 21:03:30,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 21:03:30,570 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 21:03:30,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:30,571 INFO L85 PathProgramCache]: Analyzing trace with hash -561896532, now seen corresponding path program 1 times [2023-11-21 21:03:30,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:30,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160312642] [2023-11-21 21:03:30,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:30,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:03:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:30,640 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 21:03:30,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:30,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160312642] [2023-11-21 21:03:30,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160312642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:30,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:03:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263456259] [2023-11-21 21:03:30,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:30,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:30,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:30,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:30,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,643 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 21:03:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:30,666 INFO L93 Difference]: Finished difference Result 55 states and 71 transitions. [2023-11-21 21:03:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:30,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 34 [2023-11-21 21:03:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:30,667 INFO L225 Difference]: With dead ends: 55 [2023-11-21 21:03:30,668 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:03:30,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:30,670 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:30,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:03:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:03:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:03:30,672 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 21:03:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:03:30,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-21 21:03:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:30,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:03:30,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 21:03:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:03:30,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:03:30,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-21 21:03:30,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-21 21:03:30,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-21 21:03:30,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-21 21:03:30,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-21 21:03:30,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-21 21:03:30,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-21 21:03:30,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-21 21:03:30,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 21:03:30,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:03:30,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-21 21:03:30,742 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-21 21:03:30,743 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-21 21:03:30,743 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-21 21:03:30,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2023-11-21 21:03:30,743 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2023-11-21 21:03:30,743 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1641) no Hoare annotation was computed. [2023-11-21 21:03:30,744 INFO L899 garLoopResultBuilder]: For program point L1662-1(line 1662) no Hoare annotation was computed. [2023-11-21 21:03:30,744 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-11-21 21:03:30,744 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2023-11-21 21:03:30,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2023-11-21 21:03:30,744 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2023-11-21 21:03:30,745 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0)) [2023-11-21 21:03:30,745 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-21 21:03:30,745 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-21 21:03:30,745 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2023-11-21 21:03:30,746 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch101#1| [2023-11-21 21:03:30,746 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2023-11-21 21:03:30,746 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2023-11-21 21:03:30,746 INFO L899 garLoopResultBuilder]: For program point L1680-1(line 1680) no Hoare annotation was computed. [2023-11-21 21:03:30,746 INFO L899 garLoopResultBuilder]: For program point L1647(lines 1647 1655) no Hoare annotation was computed. [2023-11-21 21:03:30,747 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: false [2023-11-21 21:03:30,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-21 21:03:30,747 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2023-11-21 21:03:30,747 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1609) no Hoare annotation was computed. [2023-11-21 21:03:30,747 INFO L899 garLoopResultBuilder]: For program point L1656(lines 1656 1668) no Hoare annotation was computed. [2023-11-21 21:03:30,747 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: false [2023-11-21 21:03:30,748 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2023-11-21 21:03:30,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:03:30,748 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch108#1| (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0)) [2023-11-21 21:03:30,748 INFO L899 garLoopResultBuilder]: For program point L1665(line 1665) no Hoare annotation was computed. [2023-11-21 21:03:30,748 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2023-11-21 21:03:30,749 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-21 21:03:30,749 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2023-11-21 21:03:30,749 INFO L902 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: true [2023-11-21 21:03:30,749 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2023-11-21 21:03:30,749 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2023-11-21 21:03:30,749 INFO L899 garLoopResultBuilder]: For program point L1682-1(line 1682) no Hoare annotation was computed. [2023-11-21 21:03:30,750 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true [2023-11-21 21:03:30,750 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1608) no Hoare annotation was computed. [2023-11-21 21:03:30,750 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1578) no Hoare annotation was computed. [2023-11-21 21:03:30,750 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2023-11-21 21:03:30,750 INFO L902 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: true [2023-11-21 21:03:30,750 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0)) [2023-11-21 21:03:30,751 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2023-11-21 21:03:30,751 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-21 21:03:30,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2023-11-21 21:03:30,751 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2023-11-21 21:03:30,751 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1560) no Hoare annotation was computed. [2023-11-21 21:03:30,752 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodG2B1_~data~2#1| 1) 0) |ULTIMATE.start_goodG2B1_#t~switch113#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-21 21:03:30,752 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2023-11-21 21:03:30,752 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2023-11-21 21:03:30,752 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1577) no Hoare annotation was computed. [2023-11-21 21:03:30,752 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-21 21:03:30,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:03:30,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2023-11-21 21:03:30,753 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1580) no Hoare annotation was computed. [2023-11-21 21:03:30,753 INFO L899 garLoopResultBuilder]: For program point L1652(line 1652) no Hoare annotation was computed. [2023-11-21 21:03:30,753 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1594) no Hoare annotation was computed. [2023-11-21 21:03:30,753 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-21 21:03:30,754 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch108#1| (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0)) [2023-11-21 21:03:30,754 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2023-11-21 21:03:30,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2023-11-21 21:03:30,754 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2023-11-21 21:03:30,754 INFO L899 garLoopResultBuilder]: For program point L1661-1(line 1661) no Hoare annotation was computed. [2023-11-21 21:03:30,754 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1614) no Hoare annotation was computed. [2023-11-21 21:03:30,755 INFO L895 garLoopResultBuilder]: At program point L1653(line 1653) the Hoare annotation is: false [2023-11-21 21:03:30,755 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1628) no Hoare annotation was computed. [2023-11-21 21:03:30,755 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-21 21:03:30,755 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: false [2023-11-21 21:03:30,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2023-11-21 21:03:30,756 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2023-11-21 21:03:30,756 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-21 21:03:30,759 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:30,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:30,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:30 BoogieIcfgContainer [2023-11-21 21:03:30,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:30,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:30,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:30,768 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:30,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:27" (3/4) ... [2023-11-21 21:03:30,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:03:30,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 21:03:30,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 21:03:30,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-21 21:03:30,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 21:03:30,784 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:03:30,785 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:03:30,785 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:03:30,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:03:30,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:03:30,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:30,891 INFO L158 Benchmark]: Toolchain (without parser) took 5894.50ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 119.3MB in the beginning and 128.9MB in the end (delta: -9.6MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,891 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:30,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.56ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 118.7MB in the beginning and 156.0MB in the end (delta: -37.3MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.67ms. Allocated memory is still 197.1MB. Free memory was 156.0MB in the beginning and 152.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,892 INFO L158 Benchmark]: Boogie Preprocessor took 106.80ms. Allocated memory is still 197.1MB. Free memory was 152.7MB in the beginning and 150.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,893 INFO L158 Benchmark]: RCFGBuilder took 661.21ms. Allocated memory is still 197.1MB. Free memory was 150.8MB in the beginning and 127.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,893 INFO L158 Benchmark]: TraceAbstraction took 3294.56ms. Allocated memory is still 197.1MB. Free memory was 127.7MB in the beginning and 135.2MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:30,894 INFO L158 Benchmark]: Witness Printer took 122.31ms. Allocated memory is still 197.1MB. Free memory was 135.2MB in the beginning and 128.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 21:03:30,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.56ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 118.7MB in the beginning and 156.0MB in the end (delta: -37.3MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.67ms. Allocated memory is still 197.1MB. Free memory was 156.0MB in the beginning and 152.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.80ms. Allocated memory is still 197.1MB. Free memory was 152.7MB in the beginning and 150.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.21ms. Allocated memory is still 197.1MB. Free memory was 150.8MB in the beginning and 127.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3294.56ms. Allocated memory is still 197.1MB. Free memory was 127.7MB in the beginning and 135.2MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.31ms. Allocated memory is still 197.1MB. Free memory was 135.2MB in the beginning and 128.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 2398 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1471 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 927 mSDtfsCounter, 377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 48 PreInvPairs, 52 NumberOfFragments, 69 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 21:03:30,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f140d208-2246-410c-b989-2bc32d7fcc6c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE