./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu --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 e1e39342933c3bac8c8ccedc01ee84fbfe020fd6a44e92840356cafa7d5c0900 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:31,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:32,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:58:32,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:32,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:32,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:32,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:32,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:32,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:32,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:32,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:32,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:32,090 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:32,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:32,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:32,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:32,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:32,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:32,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:32,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:32,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:58:32,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:32,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:32,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:32,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:32,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:32,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:32,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:32,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:32,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:32,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:32,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:32,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:32,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:32,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:32,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:32,101 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:32,101 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_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1e39342933c3bac8c8ccedc01ee84fbfe020fd6a44e92840356cafa7d5c0900 [2023-11-19 07:58:32,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:32,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:32,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:32,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:32,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:32,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_good.i [2023-11-19 07:58:35,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:36,064 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:36,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_good.i [2023-11-19 07:58:36,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/data/49553cd2e/498721f47f414cf780fc7f64e133747a/FLAGce45814f2 [2023-11-19 07:58:36,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/data/49553cd2e/498721f47f414cf780fc7f64e133747a [2023-11-19 07:58:36,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:36,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:36,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:36,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:36,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:36,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326ade03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36, skipping insertion in model container [2023-11-19 07:58:36,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:36,636 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:58:37,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:37,357 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:37,396 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:58:37,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:37,664 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:37,665 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:37,665 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:37,665 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:37,667 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:37,676 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:37,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37 WrapperNode [2023-11-19 07:58:37,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:37,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:37,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:37,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:37,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,773 INFO L138 Inliner]: procedures = 503, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-11-19 07:58:37,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:37,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:37,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:37,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:37,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:37,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:37,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:37,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:37,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (1/1) ... [2023-11-19 07:58:37,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:37,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:37,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:37,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:58:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:58:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:58:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:58:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:58:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:38,165 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:38,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:38,448 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:38,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:38,466 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:58:38,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:38 BoogieIcfgContainer [2023-11-19 07:58:38,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:38,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:38,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:38,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:38,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:36" (1/3) ... [2023-11-19 07:58:38,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d74a1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:38, skipping insertion in model container [2023-11-19 07:58:38,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:37" (2/3) ... [2023-11-19 07:58:38,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d74a1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:38, skipping insertion in model container [2023-11-19 07:58:38,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:38" (3/3) ... [2023-11-19 07:58:38,490 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_03_good.i [2023-11-19 07:58:38,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:38,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:58:38,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:38,584 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;@466634ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:38,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:58:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 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) [2023-11-19 07:58:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:58:38,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:38,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:38,598 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)] === [2023-11-19 07:58:38,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1339357108, now seen corresponding path program 1 times [2023-11-19 07:58:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:38,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768999820] [2023-11-19 07:58:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:39,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:39,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768999820] [2023-11-19 07:58:39,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768999820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:39,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:39,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:39,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466024464] [2023-11-19 07:58:39,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:39,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:39,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:39,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:39,305 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 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) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:58:39,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:39,411 INFO L93 Difference]: Finished difference Result 114 states and 147 transitions. [2023-11-19 07:58:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:39,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 07:58:39,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:39,424 INFO L225 Difference]: With dead ends: 114 [2023-11-19 07:58:39,424 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:58:39,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:39,439 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:39,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 171 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:39,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:58:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 07:58:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 42 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-11-19 07:58:39,506 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 12 [2023-11-19 07:58:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:39,509 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-11-19 07:58:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:58:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-19 07:58:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:58:39,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:39,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:39,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:58:39,515 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)] === [2023-11-19 07:58:39,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1429602549, now seen corresponding path program 1 times [2023-11-19 07:58:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:39,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228180134] [2023-11-19 07:58:39,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:39,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:39,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:39,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228180134] [2023-11-19 07:58:39,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228180134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:39,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:39,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:39,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309242939] [2023-11-19 07:58:39,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:39,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:39,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:39,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:39,949 INFO L87 Difference]: Start difference. First operand 49 states and 55 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) [2023-11-19 07:58:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:40,034 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2023-11-19 07:58:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:58:40,035 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 [2023-11-19 07:58:40,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:40,037 INFO L225 Difference]: With dead ends: 49 [2023-11-19 07:58:40,037 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:58:40,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:58:40,039 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:40,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 163 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:40,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:58:40,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:58:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 41 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-11-19 07:58:40,052 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 13 [2023-11-19 07:58:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:40,052 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-11-19 07:58:40,053 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) [2023-11-19 07:58:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-19 07:58:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:58:40,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:40,054 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:40,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:58:40,055 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)] === [2023-11-19 07:58:40,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1092801718, now seen corresponding path program 1 times [2023-11-19 07:58:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:40,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575574934] [2023-11-19 07:58:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:58:40,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:40,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575574934] [2023-11-19 07:58:40,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575574934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:40,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:40,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:40,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815038834] [2023-11-19 07:58:40,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:40,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:40,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,212 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:58:40,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:40,269 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2023-11-19 07:58:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:40,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-19 07:58:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:40,271 INFO L225 Difference]: With dead ends: 48 [2023-11-19 07:58:40,271 INFO L226 Difference]: Without dead ends: 47 [2023-11-19 07:58:40,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,274 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:40,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 131 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:40,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-19 07:58:40,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-19 07:58:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 40 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2023-11-19 07:58:40,284 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 22 [2023-11-19 07:58:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:40,285 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2023-11-19 07:58:40,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:58:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-19 07:58:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:58:40,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:40,287 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:40,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:58:40,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:58:40,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 482885198, now seen corresponding path program 1 times [2023-11-19 07:58:40,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:40,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35579940] [2023-11-19 07:58:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:58:40,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35579940] [2023-11-19 07:58:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35579940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:40,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:40,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:40,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953322752] [2023-11-19 07:58:40,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:40,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:40,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:40,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,468 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:58:40,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:40,539 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2023-11-19 07:58:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:40,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-19 07:58:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:40,544 INFO L225 Difference]: With dead ends: 47 [2023-11-19 07:58:40,544 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:58:40,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:40,550 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 4 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:40,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 122 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:58:40,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:58:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 39 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-19 07:58:40,568 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 23 [2023-11-19 07:58:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:40,569 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-19 07:58:40,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:58:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-19 07:58:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:58:40,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:40,572 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:40,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:58:40,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:58:40,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2130314459, now seen corresponding path program 1 times [2023-11-19 07:58:40,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:40,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343708941] [2023-11-19 07:58:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:58:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:58:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:40,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343708941] [2023-11-19 07:58:40,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343708941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:40,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:40,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774107630] [2023-11-19 07:58:40,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:40,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,714 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:58:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:40,735 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2023-11-19 07:58:40,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:40,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-11-19 07:58:40,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:40,737 INFO L225 Difference]: With dead ends: 46 [2023-11-19 07:58:40,737 INFO L226 Difference]: Without dead ends: 45 [2023-11-19 07:58:40,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:40,739 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 5 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:40,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 136 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-19 07:58:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-19 07:58:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 38 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2023-11-19 07:58:40,747 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 31 [2023-11-19 07:58:40,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:40,747 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2023-11-19 07:58:40,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:58:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-19 07:58:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:58:40,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:40,749 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:40,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:58:40,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:58:40,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1615238675, now seen corresponding path program 1 times [2023-11-19 07:58:40,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:40,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759833007] [2023-11-19 07:58:40,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:40,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:58:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:58:40,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:40,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759833007] [2023-11-19 07:58:40,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759833007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:40,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:40,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734924746] [2023-11-19 07:58:40,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:40,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:40,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,850 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:58:40,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:40,870 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-11-19 07:58:40,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:40,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-19 07:58:40,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:40,871 INFO L225 Difference]: With dead ends: 45 [2023-11-19 07:58:40,872 INFO L226 Difference]: Without dead ends: 44 [2023-11-19 07:58:40,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:40,873 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:40,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 134 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:40,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-19 07:58:40,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-19 07:58:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2023-11-19 07:58:40,881 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 32 [2023-11-19 07:58:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:40,881 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2023-11-19 07:58:40,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:58:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-19 07:58:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:58:40,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:40,884 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:40,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:58:40,884 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:58:40,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,885 INFO L85 PathProgramCache]: Analyzing trace with hash 476059084, now seen corresponding path program 1 times [2023-11-19 07:58:40,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:40,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726460559] [2023-11-19 07:58:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:58:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:58:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:58:40,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:40,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726460559] [2023-11-19 07:58:40,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726460559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:40,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:40,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066002949] [2023-11-19 07:58:40,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:40,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:40,993 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:58:41,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:41,020 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2023-11-19 07:58:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:41,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-11-19 07:58:41,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:41,022 INFO L225 Difference]: With dead ends: 44 [2023-11-19 07:58:41,022 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:58:41,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:41,026 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:41,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 135 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:58:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 07:58:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 34 states have (on average 1.088235294117647) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:58:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2023-11-19 07:58:41,038 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 41 [2023-11-19 07:58:41,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:41,040 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2023-11-19 07:58:41,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:58:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-19 07:58:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:58:41,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:41,050 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:41,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:58:41,051 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:58:41,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1872929849, now seen corresponding path program 1 times [2023-11-19 07:58:41,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90641576] [2023-11-19 07:58:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:58:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:58:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:58:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:58:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:58:41,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:41,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90641576] [2023-11-19 07:58:41,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90641576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:41,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:41,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:41,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305907133] [2023-11-19 07:58:41,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:41,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:41,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:41,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:41,194 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:58:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:41,215 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2023-11-19 07:58:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:41,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2023-11-19 07:58:41,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:41,218 INFO L225 Difference]: With dead ends: 43 [2023-11-19 07:58:41,218 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:58:41,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:41,224 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 2 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:41,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:58:41,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:58:41,225 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) [2023-11-19 07:58:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:58:41,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-19 07:58:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:41,226 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:41,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:58:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:58:41,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:58:41,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:58:41,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:58:41,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:58:41,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:58:41,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:58:41,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:58:41,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:58:41,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:58:41,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:58:41,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:58:41,258 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:58:41,258 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:58:41,258 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:58:41,258 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:58:41,258 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:58:41,258 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:58:41,259 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:58:41,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 07:58:41,260 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-19 07:58:41,260 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2023-11-19 07:58:41,260 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-19 07:58:41,260 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-19 07:58:41,260 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2023-11-19 07:58:41,261 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-19 07:58:41,261 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2023-11-19 07:58:41,261 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-19 07:58:41,261 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-19 07:58:41,262 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1641 1648) no Hoare annotation was computed. [2023-11-19 07:58:41,262 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-19 07:58:41,262 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 07:58:41,262 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1573) no Hoare annotation was computed. [2023-11-19 07:58:41,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 07:58:41,264 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1594) no Hoare annotation was computed. [2023-11-19 07:58:41,264 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:58:41,264 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2023-11-19 07:58:41,264 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-19 07:58:41,264 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 07:58:41,264 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 07:58:41,265 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2023-11-19 07:58:41,265 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2023-11-19 07:58:41,265 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-19 07:58:41,265 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-19 07:58:41,265 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-19 07:58:41,265 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1640) no Hoare annotation was computed. [2023-11-19 07:58:41,266 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:58:41,266 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-19 07:58:41,266 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:58:41,266 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2023-11-19 07:58:41,266 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-19 07:58:41,266 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:58:41,267 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-19 07:58:41,267 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-19 07:58:41,267 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-19 07:58:41,267 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2023-11-19 07:58:41,267 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-19 07:58:41,267 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-19 07:58:41,268 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2023-11-19 07:58:41,268 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-19 07:58:41,268 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2023-11-19 07:58:41,269 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-19 07:58:41,269 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-19 07:58:41,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 07:58:41,269 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-19 07:58:41,269 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-19 07:58:41,269 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-19 07:58:41,270 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-19 07:58:41,273 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:41,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:58:41,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:41 BoogieIcfgContainer [2023-11-19 07:58:41,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:58:41,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:41,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:41,286 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:41,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:38" (3/4) ... [2023-11-19 07:58:41,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:58:41,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:58:41,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:58:41,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:58:41,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:58:41,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:58:41,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:58:41,423 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:58:41,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:58:41,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:41,425 INFO L158 Benchmark]: Toolchain (without parser) took 5294.72ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 60.1MB in the end (delta: 92.6MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,425 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:41,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.28ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 91.0MB in the end (delta: 61.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.59ms. Allocated memory is still 184.5MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,426 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 184.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,427 INFO L158 Benchmark]: RCFGBuilder took 657.88ms. Allocated memory is still 184.5MB. Free memory was 86.3MB in the beginning and 70.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,427 INFO L158 Benchmark]: TraceAbstraction took 2803.29ms. Allocated memory is still 184.5MB. Free memory was 69.5MB in the beginning and 65.3MB in the end (delta: 4.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,428 INFO L158 Benchmark]: Witness Printer took 138.72ms. Allocated memory is still 184.5MB. Free memory was 65.3MB in the beginning and 60.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:58:41,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.28ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 91.0MB in the end (delta: 61.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.59ms. Allocated memory is still 184.5MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 184.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.88ms. Allocated memory is still 184.5MB. Free memory was 86.3MB in the beginning and 70.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2803.29ms. Allocated memory is still 184.5MB. Free memory was 69.5MB in the beginning and 65.3MB in the end (delta: 4.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 138.72ms. Allocated memory is still 184.5MB. Free memory was 65.3MB in the beginning and 60.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 1127 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 739 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 388 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 27 PreInvPairs, 34 NumberOfFragments, 40 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 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! [2023-11-19 07:58:41,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db04e9b2-f008-4ec1-8647-c68e03ba736e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE