./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf1743f33d677307c7451c75fe48c272e0d52f0a5bc3d938930211202c9eab14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:51,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:51,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 21:14:51,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:51,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:51,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:51,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:51,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:51,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:51,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:51,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:51,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:51,558 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:51,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:51,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:51,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:51,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:51,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:51,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:51,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:51,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 21:14:51,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:14:51,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:51,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:51,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:51,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:51,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:51,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:51,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:51,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:51,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:51,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:51,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:51,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:51,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:51,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:51,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:51,573 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:51,573 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_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1743f33d677307c7451c75fe48c272e0d52f0a5bc3d938930211202c9eab14 [2023-11-06 21:14:51,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:51,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:51,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:51,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:51,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:51,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i [2023-11-06 21:14:55,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:55,722 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:55,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i [2023-11-06 21:14:55,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/data/8c8dbea7e/984eefd2298a4d79a1165bcaa7fb2576/FLAG23daed7ae [2023-11-06 21:14:55,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/data/8c8dbea7e/984eefd2298a4d79a1165bcaa7fb2576 [2023-11-06 21:14:55,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:55,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:55,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:55,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:55,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:55,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:55" (1/1) ... [2023-11-06 21:14:55,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf47e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:55, skipping insertion in model container [2023-11-06 21:14:55,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:55" (1/1) ... [2023-11-06 21:14:55,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:56,341 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:14:56,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:56,977 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:57,018 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:14:57,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:57,317 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,317 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,317 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,317 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,318 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,318 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:14:57,326 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:57,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57 WrapperNode [2023-11-06 21:14:57,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:57,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:57,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:57,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:57,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,448 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-06 21:14:57,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:57,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:57,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:57,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:57,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:57,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:57,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:57,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:57,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (1/1) ... [2023-11-06 21:14:57,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:57,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:57,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:57,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 21:14:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 21:14:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 21:14:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 21:14:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 21:14:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:14:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:14:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:14:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:14:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 21:14:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:14:57,756 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:57,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:57,985 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:57,993 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:57,994 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 21:14:57,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:57 BoogieIcfgContainer [2023-11-06 21:14:57,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:58,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:14:58,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:14:58,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:14:58,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:14:55" (1/3) ... [2023-11-06 21:14:58,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6591761d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:58, skipping insertion in model container [2023-11-06 21:14:58,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:57" (2/3) ... [2023-11-06 21:14:58,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6591761d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:58, skipping insertion in model container [2023-11-06 21:14:58,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:57" (3/3) ... [2023-11-06 21:14:58,008 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_03_good.i [2023-11-06 21:14:58,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:14:58,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 21:14:58,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:14:58,087 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44c044a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:14:58,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 21:14:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 21:14:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 21:14:58,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:58,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:58,100 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)] === [2023-11-06 21:14:58,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash -171296224, now seen corresponding path program 1 times [2023-11-06 21:14:58,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:58,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224003690] [2023-11-06 21:14:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:58,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:58,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224003690] [2023-11-06 21:14:58,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224003690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:58,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:58,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:58,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677606211] [2023-11-06 21:14:58,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:58,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:14:58,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:14:58,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:14:58,596 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2023-11-06 21:14:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:58,625 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2023-11-06 21:14:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:14:58,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2023-11-06 21:14:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:58,634 INFO L225 Difference]: With dead ends: 114 [2023-11-06 21:14:58,634 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 21:14:58,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:14:58,641 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:58,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:58,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 21:14:58,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 21:14:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 44 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-06 21:14:58,684 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 12 [2023-11-06 21:14:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:58,685 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-06 21:14:58,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2023-11-06 21:14:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-06 21:14:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 21:14:58,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:58,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:58,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:14:58,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:14:58,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1706494971, now seen corresponding path program 1 times [2023-11-06 21:14:58,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:58,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074452765] [2023-11-06 21:14:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:58,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:58,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:58,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074452765] [2023-11-06 21:14:58,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074452765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:58,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:58,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:58,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95088012] [2023-11-06 21:14:58,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:58,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:58,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:58,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:58,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:58,947 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 21:14:58,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:58,973 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2023-11-06 21:14:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:58,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2023-11-06 21:14:58,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:58,975 INFO L225 Difference]: With dead ends: 51 [2023-11-06 21:14:58,975 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 21:14:58,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:58,978 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:58,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 99 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:58,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 21:14:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 21:14:58,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 43 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-06 21:14:58,990 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2023-11-06 21:14:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:58,991 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-06 21:14:58,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 21:14:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-06 21:14:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 21:14:58,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:58,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:58,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:14:58,993 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:14:58,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1361736478, now seen corresponding path program 1 times [2023-11-06 21:14:58,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:58,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593215328] [2023-11-06 21:14:58,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:58,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:59,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:59,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593215328] [2023-11-06 21:14:59,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593215328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:59,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:59,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:59,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861137571] [2023-11-06 21:14:59,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:59,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:59,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:59,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:59,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,066 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-06 21:14:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:59,092 INFO L93 Difference]: Finished difference Result 89 states and 105 transitions. [2023-11-06 21:14:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:59,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2023-11-06 21:14:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:59,095 INFO L225 Difference]: With dead ends: 89 [2023-11-06 21:14:59,095 INFO L226 Difference]: Without dead ends: 53 [2023-11-06 21:14:59,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,097 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 6 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:59,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 106 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:59,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-06 21:14:59,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-11-06 21:14:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-11-06 21:14:59,114 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 15 [2023-11-06 21:14:59,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:59,115 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-11-06 21:14:59,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-06 21:14:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-06 21:14:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 21:14:59,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:59,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:59,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:14:59,117 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:14:59,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:59,118 INFO L85 PathProgramCache]: Analyzing trace with hash 614410729, now seen corresponding path program 1 times [2023-11-06 21:14:59,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:59,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19376751] [2023-11-06 21:14:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 21:14:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 21:14:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:59,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19376751] [2023-11-06 21:14:59,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19376751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:59,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:59,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:59,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834484824] [2023-11-06 21:14:59,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:59,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:59,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:59,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,338 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2023-11-06 21:14:59,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:59,388 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-06 21:14:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:59,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-06 21:14:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:59,394 INFO L225 Difference]: With dead ends: 52 [2023-11-06 21:14:59,394 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 21:14:59,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,396 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:59,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 96 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 21:14:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 21:14:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.25) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-06 21:14:59,413 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 24 [2023-11-06 21:14:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:59,414 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-06 21:14:59,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2023-11-06 21:14:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-06 21:14:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 21:14:59,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:59,419 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:59,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:14:59,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:14:59,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1866863516, now seen corresponding path program 1 times [2023-11-06 21:14:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359436663] [2023-11-06 21:14:59,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:59,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 21:14:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 21:14:59,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:59,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359436663] [2023-11-06 21:14:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359436663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:59,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:59,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:59,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48452846] [2023-11-06 21:14:59,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:59,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:59,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:59,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:59,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,543 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-06 21:14:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:59,584 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2023-11-06 21:14:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:59,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 25 [2023-11-06 21:14:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:59,588 INFO L225 Difference]: With dead ends: 76 [2023-11-06 21:14:59,588 INFO L226 Difference]: Without dead ends: 53 [2023-11-06 21:14:59,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,591 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 5 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:59,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 101 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-06 21:14:59,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-11-06 21:14:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-11-06 21:14:59,602 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 25 [2023-11-06 21:14:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:59,603 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-11-06 21:14:59,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-06 21:14:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-06 21:14:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 21:14:59,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:59,605 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] [2023-11-06 21:14:59,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:14:59,606 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:14:59,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1243797917, now seen corresponding path program 1 times [2023-11-06 21:14:59,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:59,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034568821] [2023-11-06 21:14:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 21:14:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 21:14:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 21:14:59,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:59,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034568821] [2023-11-06 21:14:59,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034568821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:59,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:59,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:59,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883593509] [2023-11-06 21:14:59,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:59,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:59,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:59,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:59,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,735 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 21:14:59,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:59,749 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-06 21:14:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:59,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-11-06 21:14:59,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:59,752 INFO L225 Difference]: With dead ends: 52 [2023-11-06 21:14:59,752 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 21:14:59,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,754 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 101 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 [2023-11-06 21:14:59,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 101 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:59,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 21:14:59,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 21:14:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 21:14:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-06 21:14:59,765 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 31 [2023-11-06 21:14:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:59,765 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-06 21:14:59,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 21:14:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-06 21:14:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 21:14:59,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:14:59,768 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] [2023-11-06 21:14:59,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:14:59,769 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)] === [2023-11-06 21:14:59,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2067940988, now seen corresponding path program 1 times [2023-11-06 21:14:59,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:59,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372508569] [2023-11-06 21:14:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:14:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 21:14:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 21:14:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:14:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 21:14:59,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:59,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372508569] [2023-11-06 21:14:59,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372508569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:59,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:59,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:14:59,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805721559] [2023-11-06 21:14:59,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:59,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:14:59,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:59,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:14:59,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,895 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 21:14:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:59,916 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2023-11-06 21:14:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:14:59,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2023-11-06 21:14:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:14:59,919 INFO L225 Difference]: With dead ends: 50 [2023-11-06 21:14:59,920 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:14:59,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:14:59,926 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:14:59,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:14:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:14:59,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:14:59,929 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) [2023-11-06 21:14:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:14:59,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-06 21:14:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:14:59,930 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:14:59,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 21:14:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:14:59,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:14:59,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 21:14:59,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 21:14:59,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 21:14:59,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 21:14:59,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 21:14:59,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 21:14:59,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 21:14:59,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 21:14:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:14:59,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:15:00,004 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 21:15:00,005 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 21:15:00,005 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 21:15:00,005 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 21:15:00,005 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 21:15:00,005 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 21:15:00,006 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 21:15:00,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-06 21:15:00,006 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2023-11-06 21:15:00,006 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2023-11-06 21:15:00,007 INFO L899 garLoopResultBuilder]: For program point L1662-1(line 1662) no Hoare annotation was computed. [2023-11-06 21:15:00,007 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-06 21:15:00,007 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-06 21:15:00,007 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1657 1664) the Hoare annotation is: true [2023-11-06 21:15:00,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1645) no Hoare annotation was computed. [2023-11-06 21:15:00,008 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1641) no Hoare annotation was computed. [2023-11-06 21:15:00,008 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2023-11-06 21:15:00,008 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1580) no Hoare annotation was computed. [2023-11-06 21:15:00,008 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2023-11-06 21:15:00,008 INFO L899 garLoopResultBuilder]: For program point L1638-2(lines 1635 1649) no Hoare annotation was computed. [2023-11-06 21:15:00,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-06 21:15:00,009 INFO L895 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-06 21:15:00,009 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2023-11-06 21:15:00,009 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-06 21:15:00,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:15:00,010 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1591 1598) no Hoare annotation was computed. [2023-11-06 21:15:00,010 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 21:15:00,010 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1633) no Hoare annotation was computed. [2023-11-06 21:15:00,010 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2023-11-06 21:15:00,011 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-11-06 21:15:00,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-06 21:15:00,011 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:15:00,011 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2023-11-06 21:15:00,012 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-06 21:15:00,012 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1598) no Hoare annotation was computed. [2023-11-06 21:15:00,012 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1613) no Hoare annotation was computed. [2023-11-06 21:15:00,012 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2023-11-06 21:15:00,012 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-06 21:15:00,013 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1656) no Hoare annotation was computed. [2023-11-06 21:15:00,013 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1649) no Hoare annotation was computed. [2023-11-06 21:15:00,013 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-06 21:15:00,013 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:15:00,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-06 21:15:00,013 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1625) no Hoare annotation was computed. [2023-11-06 21:15:00,014 INFO L899 garLoopResultBuilder]: For program point L1618-1(lines 1615 1633) no Hoare annotation was computed. [2023-11-06 21:15:00,014 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-06 21:15:00,014 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1582) no Hoare annotation was computed. [2023-11-06 21:15:00,014 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) [2023-11-06 21:15:00,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:15:00,015 INFO L902 garLoopResultBuilder]: At program point L1660(line 1660) the Hoare annotation is: true [2023-11-06 21:15:00,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-06 21:15:00,015 INFO L899 garLoopResultBuilder]: For program point L1660-1(line 1660) no Hoare annotation was computed. [2023-11-06 21:15:00,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-06 21:15:00,015 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2023-11-06 21:15:00,016 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 21:15:00,016 INFO L895 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: false [2023-11-06 21:15:00,016 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1600) no Hoare annotation was computed. [2023-11-06 21:15:00,016 INFO L899 garLoopResultBuilder]: For program point L1587-2(lines 1584 1613) no Hoare annotation was computed. [2023-11-06 21:15:00,016 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2023-11-06 21:15:00,017 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2023-11-06 21:15:00,017 INFO L899 garLoopResultBuilder]: For program point L1579-1(lines 1548 1582) no Hoare annotation was computed. [2023-11-06 21:15:00,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1645) no Hoare annotation was computed. [2023-11-06 21:15:00,021 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:00,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:15:00,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:15:00 BoogieIcfgContainer [2023-11-06 21:15:00,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:15:00,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:15:00,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:15:00,036 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:15:00,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:57" (3/4) ... [2023-11-06 21:15:00,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:15:00,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 21:15:00,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 21:15:00,057 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 21:15:00,058 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 21:15:00,058 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:15:00,059 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:15:00,059 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:15:00,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:15:00,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:15:00,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:15:00,151 INFO L158 Benchmark]: Toolchain (without parser) took 4371.36ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 70.3MB in the beginning and 130.8MB in the end (delta: -60.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,152 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory was 97.6MB in the beginning and 97.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:00,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1543.87ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 70.0MB in the beginning and 77.5MB in the end (delta: -7.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.29ms. Allocated memory is still 165.7MB. Free memory was 77.5MB in the beginning and 74.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,153 INFO L158 Benchmark]: Boogie Preprocessor took 63.43ms. Allocated memory is still 165.7MB. Free memory was 74.3MB in the beginning and 73.4MB in the end (delta: 956.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:00,154 INFO L158 Benchmark]: RCFGBuilder took 484.43ms. Allocated memory is still 165.7MB. Free memory was 73.2MB in the beginning and 127.7MB in the end (delta: -54.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,154 INFO L158 Benchmark]: TraceAbstraction took 2033.93ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 126.7MB in the beginning and 135.0MB in the end (delta: -8.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,154 INFO L158 Benchmark]: Witness Printer took 115.69ms. Allocated memory is still 199.2MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:00,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory was 97.6MB in the beginning and 97.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1543.87ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 70.0MB in the beginning and 77.5MB in the end (delta: -7.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.29ms. Allocated memory is still 165.7MB. Free memory was 77.5MB in the beginning and 74.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.43ms. Allocated memory is still 165.7MB. Free memory was 74.3MB in the beginning and 73.4MB in the end (delta: 956.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.43ms. Allocated memory is still 165.7MB. Free memory was 73.2MB in the beginning and 127.7MB in the end (delta: -54.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2033.93ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 126.7MB in the beginning and 135.0MB in the end (delta: -8.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 115.69ms. Allocated memory is still 199.2MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 677 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 277 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 400 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 57 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1657]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 21:15:00,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a35c05-4a06-4bd1-84e7-150ead5102c1/bin/uautomizer-verify-WvqO1wxjHP/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