./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74029f571d90ae6361d68ab8baba7b04affd26584db9ebc1f710c68ed85ed771 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 13:19:47,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 13:19:47,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-01 13:19:47,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 13:19:47,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 13:19:47,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 13:19:47,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 13:19:47,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 13:19:47,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 13:19:47,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 13:19:47,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 13:19:47,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 13:19:47,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 13:19:47,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 13:19:47,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 13:19:47,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 13:19:47,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:47,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:19:47,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:47,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 13:19:47,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 13:19:47,472 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74029f571d90ae6361d68ab8baba7b04affd26584db9ebc1f710c68ed85ed771 [2024-12-01 13:19:47,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 13:19:47,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 13:19:47,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 13:19:47,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 13:19:47,691 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 13:19:47,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_good.i [2024-12-01 13:19:50,287 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/data/44bf6fa70/56858a446862457e999f92cb48b99845/FLAG831b3f9b7 [2024-12-01 13:19:50,616 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 13:19:50,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_good.i [2024-12-01 13:19:50,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/data/44bf6fa70/56858a446862457e999f92cb48b99845/FLAG831b3f9b7 [2024-12-01 13:19:50,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/data/44bf6fa70/56858a446862457e999f92cb48b99845 [2024-12-01 13:19:50,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 13:19:50,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 13:19:50,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 13:19:50,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 13:19:50,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 13:19:50,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:50" (1/1) ... [2024-12-01 13:19:50,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6984fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:50, skipping insertion in model container [2024-12-01 13:19:50,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:50" (1/1) ... [2024-12-01 13:19:50,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 13:19:51,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:19:51,658 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 13:19:51,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:19:51,847 INFO L204 MainTranslator]: Completed translation [2024-12-01 13:19:51,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51 WrapperNode [2024-12-01 13:19:51,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 13:19:51,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 13:19:51,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 13:19:51,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 13:19:51,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,891 INFO L138 Inliner]: procedures = 501, calls = 50, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 177 [2024-12-01 13:19:51,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 13:19:51,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 13:19:51,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 13:19:51,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 13:19:51,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,913 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-01 13:19:51,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 13:19:51,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 13:19:51,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 13:19:51,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 13:19:51,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (1/1) ... [2024-12-01 13:19:51,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:19:51,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 13:19:51,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 13:19:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-01 13:19:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-01 13:19:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-01 13:19:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-01 13:19:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 13:19:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 13:19:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 13:19:52,079 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 13:19:52,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 13:19:52,243 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-01 13:19:52,243 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 13:19:52,253 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 13:19:52,253 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-01 13:19:52,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:52 BoogieIcfgContainer [2024-12-01 13:19:52,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 13:19:52,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 13:19:52,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 13:19:52,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 13:19:52,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:19:50" (1/3) ... [2024-12-01 13:19:52,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b395ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:19:52, skipping insertion in model container [2024-12-01 13:19:52,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:51" (2/3) ... [2024-12-01 13:19:52,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b395ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:19:52, skipping insertion in model container [2024-12-01 13:19:52,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:52" (3/3) ... [2024-12-01 13:19:52,262 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_15_good.i [2024-12-01 13:19:52,272 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 13:19:52,274 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_predec_15_good.i that has 3 procedures, 81 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-01 13:19:52,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 13:19:52,328 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@527c1821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 13:19:52,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-01 13:19:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.5) internal successors, (81), 72 states have internal predecessors, (81), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-01 13:19:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-01 13:19:52,336 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:52,337 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:52,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:52,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1492055446, now seen corresponding path program 1 times [2024-12-01 13:19:52,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:52,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572345137] [2024-12-01 13:19:52,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:52,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:19:52,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:52,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572345137] [2024-12-01 13:19:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572345137] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:52,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:52,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:52,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327994596] [2024-12-01 13:19:52,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:52,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:52,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:52,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:52,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,566 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.5) internal successors, (81), 72 states have internal predecessors, (81), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 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) [2024-12-01 13:19:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:52,611 INFO L93 Difference]: Finished difference Result 151 states and 210 transitions. [2024-12-01 13:19:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:52,613 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 [2024-12-01 13:19:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:52,618 INFO L225 Difference]: With dead ends: 151 [2024-12-01 13:19:52,618 INFO L226 Difference]: Without dead ends: 75 [2024-12-01 13:19:52,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,624 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 10 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:52,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 218 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-12-01 13:19:52,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2024-12-01 13:19:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.5) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-01 13:19:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2024-12-01 13:19:52,657 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 14 [2024-12-01 13:19:52,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:52,657 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2024-12-01 13:19:52,657 INFO L472 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) [2024-12-01 13:19:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2024-12-01 13:19:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-01 13:19:52,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:52,659 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:52,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 13:19:52,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:52,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash 990921503, now seen corresponding path program 1 times [2024-12-01 13:19:52,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:52,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971806445] [2024-12-01 13:19:52,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:19:52,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971806445] [2024-12-01 13:19:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971806445] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:52,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:52,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:52,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700668354] [2024-12-01 13:19:52,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:52,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:52,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:52,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,793 INFO L87 Difference]: Start difference. First operand 72 states and 101 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) [2024-12-01 13:19:52,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:52,812 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2024-12-01 13:19:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:52,813 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 [2024-12-01 13:19:52,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:52,814 INFO L225 Difference]: With dead ends: 74 [2024-12-01 13:19:52,814 INFO L226 Difference]: Without dead ends: 73 [2024-12-01 13:19:52,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,815 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 6 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:52,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 167 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-01 13:19:52,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-12-01 13:19:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.48) internal successors, (74), 64 states have internal predecessors, (74), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-01 13:19:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2024-12-01 13:19:52,823 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 15 [2024-12-01 13:19:52,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:52,824 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2024-12-01 13:19:52,824 INFO L472 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) [2024-12-01 13:19:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2024-12-01 13:19:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-01 13:19:52,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:52,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:52,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 13:19:52,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:52,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:52,826 INFO L85 PathProgramCache]: Analyzing trace with hash -124139516, now seen corresponding path program 1 times [2024-12-01 13:19:52,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:52,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685982571] [2024-12-01 13:19:52,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:52,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:19:52,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685982571] [2024-12-01 13:19:52,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685982571] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:52,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:52,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:52,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709746080] [2024-12-01 13:19:52,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:52,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:52,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:52,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,871 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2024-12-01 13:19:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:52,889 INFO L93 Difference]: Finished difference Result 121 states and 167 transitions. [2024-12-01 13:19:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:52,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-12-01 13:19:52,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:52,891 INFO L225 Difference]: With dead ends: 121 [2024-12-01 13:19:52,891 INFO L226 Difference]: Without dead ends: 71 [2024-12-01 13:19:52,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,892 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:52,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:52,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-12-01 13:19:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-12-01 13:19:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.44) internal successors, (72), 64 states have internal predecessors, (72), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-01 13:19:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2024-12-01 13:19:52,899 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 19 [2024-12-01 13:19:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:52,900 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2024-12-01 13:19:52,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2024-12-01 13:19:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-12-01 13:19:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-01 13:19:52,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:52,901 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:52,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 13:19:52,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:52,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:52,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1651573367, now seen corresponding path program 1 times [2024-12-01 13:19:52,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:52,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306693286] [2024-12-01 13:19:52,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:52,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-01 13:19:52,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:52,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306693286] [2024-12-01 13:19:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306693286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:52,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:52,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038205330] [2024-12-01 13:19:52,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:52,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:52,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:52,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,946 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 13:19:52,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:52,962 INFO L93 Difference]: Finished difference Result 121 states and 165 transitions. [2024-12-01 13:19:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:52,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-12-01 13:19:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:52,963 INFO L225 Difference]: With dead ends: 121 [2024-12-01 13:19:52,964 INFO L226 Difference]: Without dead ends: 70 [2024-12-01 13:19:52,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:52,965 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:52,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-01 13:19:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-12-01 13:19:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.4) internal successors, (70), 63 states have internal predecessors, (70), 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) [2024-12-01 13:19:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2024-12-01 13:19:52,972 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2024-12-01 13:19:52,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:52,972 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2024-12-01 13:19:52,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 13:19:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2024-12-01 13:19:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-01 13:19:52,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:52,973 INFO L218 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] [2024-12-01 13:19:52,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 13:19:52,974 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:52,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:52,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1868040253, now seen corresponding path program 1 times [2024-12-01 13:19:52,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:52,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368609923] [2024-12-01 13:19:52,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-01 13:19:53,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368609923] [2024-12-01 13:19:53,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368609923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127906460] [2024-12-01 13:19:53,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,012 INFO L87 Difference]: Start difference. First operand 70 states and 94 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) [2024-12-01 13:19:53,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,035 INFO L93 Difference]: Finished difference Result 111 states and 148 transitions. [2024-12-01 13:19:53,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,036 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 [2024-12-01 13:19:53,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,037 INFO L225 Difference]: With dead ends: 111 [2024-12-01 13:19:53,037 INFO L226 Difference]: Without dead ends: 76 [2024-12-01 13:19:53,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,038 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 10 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 172 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-01 13:19:53,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2024-12-01 13:19:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 65 states have internal predecessors, (73), 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) [2024-12-01 13:19:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2024-12-01 13:19:53,045 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 25 [2024-12-01 13:19:53,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,045 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2024-12-01 13:19:53,045 INFO L472 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) [2024-12-01 13:19:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2024-12-01 13:19:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-01 13:19:53,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,046 INFO L218 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, 1] [2024-12-01 13:19:53,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 13:19:53,046 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2074673103, now seen corresponding path program 1 times [2024-12-01 13:19:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123828396] [2024-12-01 13:19:53,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-01 13:19:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123828396] [2024-12-01 13:19:53,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123828396] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643760449] [2024-12-01 13:19:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,097 INFO L87 Difference]: Start difference. First operand 72 states and 97 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, (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) [2024-12-01 13:19:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,111 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2024-12-01 13:19:53,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,112 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, (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 26 [2024-12-01 13:19:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,113 INFO L225 Difference]: With dead ends: 74 [2024-12-01 13:19:53,113 INFO L226 Difference]: Without dead ends: 73 [2024-12-01 13:19:53,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,114 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 7 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 155 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-01 13:19:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-12-01 13:19:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 64 states have internal predecessors, (72), 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) [2024-12-01 13:19:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 96 transitions. [2024-12-01 13:19:53,121 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 96 transitions. Word has length 26 [2024-12-01 13:19:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,121 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 96 transitions. [2024-12-01 13:19:53,121 INFO L472 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, (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) [2024-12-01 13:19:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2024-12-01 13:19:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-01 13:19:53,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,122 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 13:19:53,122 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,123 INFO L85 PathProgramCache]: Analyzing trace with hash -291753928, now seen corresponding path program 1 times [2024-12-01 13:19:53,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652957915] [2024-12-01 13:19:53,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-01 13:19:53,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652957915] [2024-12-01 13:19:53,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652957915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:53,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281781672] [2024-12-01 13:19:53,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,157 INFO L87 Difference]: Start difference. First operand 71 states and 96 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2024-12-01 13:19:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,168 INFO L93 Difference]: Finished difference Result 104 states and 137 transitions. [2024-12-01 13:19:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 31 [2024-12-01 13:19:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,169 INFO L225 Difference]: With dead ends: 104 [2024-12-01 13:19:53,169 INFO L226 Difference]: Without dead ends: 69 [2024-12-01 13:19:53,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,170 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-01 13:19:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-12-01 13:19:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 62 states have internal predecessors, (68), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 13:19:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2024-12-01 13:19:53,176 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 31 [2024-12-01 13:19:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,176 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2024-12-01 13:19:53,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2024-12-01 13:19:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2024-12-01 13:19:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-01 13:19:53,177 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,177 INFO L218 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] [2024-12-01 13:19:53,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 13:19:53,178 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 413607982, now seen corresponding path program 1 times [2024-12-01 13:19:53,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238275933] [2024-12-01 13:19:53,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238275933] [2024-12-01 13:19:53,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238275933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364307288] [2024-12-01 13:19:53,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,221 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-12-01 13:19:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,236 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2024-12-01 13:19:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 36 [2024-12-01 13:19:53,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,237 INFO L225 Difference]: With dead ends: 71 [2024-12-01 13:19:53,237 INFO L226 Difference]: Without dead ends: 70 [2024-12-01 13:19:53,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,238 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 8 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 145 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 [2024-12-01 13:19:53,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 145 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-01 13:19:53,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-12-01 13:19:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 61 states have internal predecessors, (67), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 13:19:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 89 transitions. [2024-12-01 13:19:53,244 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 89 transitions. Word has length 36 [2024-12-01 13:19:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,244 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 89 transitions. [2024-12-01 13:19:53,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-12-01 13:19:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2024-12-01 13:19:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-01 13:19:53,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,245 INFO L218 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] [2024-12-01 13:19:53,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 13:19:53,246 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash -63054300, now seen corresponding path program 1 times [2024-12-01 13:19:53,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109173697] [2024-12-01 13:19:53,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109173697] [2024-12-01 13:19:53,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109173697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856037778] [2024-12-01 13:19:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,299 INFO L87 Difference]: Start difference. First operand 68 states and 89 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-12-01 13:19:53,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,311 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2024-12-01 13:19:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 37 [2024-12-01 13:19:53,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,312 INFO L225 Difference]: With dead ends: 77 [2024-12-01 13:19:53,313 INFO L226 Difference]: Without dead ends: 76 [2024-12-01 13:19:53,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,313 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 4 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 157 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-01 13:19:53,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2024-12-01 13:19:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 65 states have internal predecessors, (72), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 13:19:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2024-12-01 13:19:53,319 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 37 [2024-12-01 13:19:53,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,319 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-12-01 13:19:53,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-12-01 13:19:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2024-12-01 13:19:53,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-01 13:19:53,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,320 INFO L218 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] [2024-12-01 13:19:53,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 13:19:53,321 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,321 INFO L85 PathProgramCache]: Analyzing trace with hash -61207258, now seen corresponding path program 1 times [2024-12-01 13:19:53,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535665066] [2024-12-01 13:19:53,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535665066] [2024-12-01 13:19:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535665066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526239634] [2024-12-01 13:19:53,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,354 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-12-01 13:19:53,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,364 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions. [2024-12-01 13:19:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 37 [2024-12-01 13:19:53,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,366 INFO L225 Difference]: With dead ends: 99 [2024-12-01 13:19:53,366 INFO L226 Difference]: Without dead ends: 72 [2024-12-01 13:19:53,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,366 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-01 13:19:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-01 13:19:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 64 states have internal predecessors, (71), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 13:19:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2024-12-01 13:19:53,372 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 37 [2024-12-01 13:19:53,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,372 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2024-12-01 13:19:53,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-12-01 13:19:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2024-12-01 13:19:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-01 13:19:53,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,373 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-12-01 13:19:53,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 13:19:53,373 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1160049289, now seen corresponding path program 1 times [2024-12-01 13:19:53,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410349298] [2024-12-01 13:19:53,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-01 13:19:53,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410349298] [2024-12-01 13:19:53,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410349298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:53,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217394760] [2024-12-01 13:19:53,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,408 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-01 13:19:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,421 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2024-12-01 13:19:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-12-01 13:19:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,422 INFO L225 Difference]: With dead ends: 94 [2024-12-01 13:19:53,422 INFO L226 Difference]: Without dead ends: 66 [2024-12-01 13:19:53,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,423 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-12-01 13:19:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-12-01 13:19:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-01 13:19:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-12-01 13:19:53,428 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 41 [2024-12-01 13:19:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,429 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-12-01 13:19:53,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-01 13:19:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-12-01 13:19:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-01 13:19:53,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,430 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-01 13:19:53,430 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,431 INFO L85 PathProgramCache]: Analyzing trace with hash 177542752, now seen corresponding path program 1 times [2024-12-01 13:19:53,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330112319] [2024-12-01 13:19:53,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330112319] [2024-12-01 13:19:53,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330112319] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:53,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790145484] [2024-12-01 13:19:53,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,464 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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) [2024-12-01 13:19:53,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,473 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2024-12-01 13:19:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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 42 [2024-12-01 13:19:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,474 INFO L225 Difference]: With dead ends: 81 [2024-12-01 13:19:53,474 INFO L226 Difference]: Without dead ends: 64 [2024-12-01 13:19:53,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,475 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-01 13:19:53,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-01 13:19:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.196078431372549) internal successors, (61), 57 states have internal predecessors, (61), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-01 13:19:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2024-12-01 13:19:53,479 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 42 [2024-12-01 13:19:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,479 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2024-12-01 13:19:53,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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) [2024-12-01 13:19:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-12-01 13:19:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-01 13:19:53,480 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,480 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-01 13:19:53,480 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash 782683390, now seen corresponding path program 1 times [2024-12-01 13:19:53,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66656775] [2024-12-01 13:19:53,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66656775] [2024-12-01 13:19:53,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66656775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460295587] [2024-12-01 13:19:53,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,523 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-12-01 13:19:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,531 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2024-12-01 13:19:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 48 [2024-12-01 13:19:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,532 INFO L225 Difference]: With dead ends: 64 [2024-12-01 13:19:53,532 INFO L226 Difference]: Without dead ends: 63 [2024-12-01 13:19:53,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,532 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 4 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 130 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-01 13:19:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-01 13:19:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 56 states have internal predecessors, (60), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-01 13:19:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2024-12-01 13:19:53,536 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 48 [2024-12-01 13:19:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,537 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2024-12-01 13:19:53,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-12-01 13:19:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2024-12-01 13:19:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-01 13:19:53,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,538 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-01 13:19:53,538 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1506618506, now seen corresponding path program 1 times [2024-12-01 13:19:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635664885] [2024-12-01 13:19:53,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635664885] [2024-12-01 13:19:53,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635664885] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 13:19:53,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978260715] [2024-12-01 13:19:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,580 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-12-01 13:19:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,587 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2024-12-01 13:19:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 49 [2024-12-01 13:19:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,589 INFO L225 Difference]: With dead ends: 68 [2024-12-01 13:19:53,589 INFO L226 Difference]: Without dead ends: 63 [2024-12-01 13:19:53,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,589 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:53,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-01 13:19:53,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-01 13:19:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 56 states have internal predecessors, (59), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-01 13:19:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2024-12-01 13:19:53,593 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 49 [2024-12-01 13:19:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,593 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2024-12-01 13:19:53,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-12-01 13:19:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2024-12-01 13:19:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-01 13:19:53,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:53,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 13:19:53,595 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-01 13:19:53,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:53,595 INFO L85 PathProgramCache]: Analyzing trace with hash 594786653, now seen corresponding path program 1 times [2024-12-01 13:19:53,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:53,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107864474] [2024-12-01 13:19:53,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 13:19:53,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:53,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107864474] [2024-12-01 13:19:53,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107864474] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:53,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:19:53,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:19:53,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761677721] [2024-12-01 13:19:53,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:53,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:19:53,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:53,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:19:53,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,633 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-01 13:19:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:53,636 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2024-12-01 13:19:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:19:53,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 50 [2024-12-01 13:19:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:53,637 INFO L225 Difference]: With dead ends: 67 [2024-12-01 13:19:53,637 INFO L226 Difference]: Without dead ends: 0 [2024-12-01 13:19:53,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:19:53,638 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 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 [2024-12-01 13:19:53,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:53,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-01 13:19:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-01 13:19:53,638 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) [2024-12-01 13:19:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-01 13:19:53,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-12-01 13:19:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 13:19:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-01 13:19:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-01 13:19:53,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-01 13:19:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-01 13:19:53,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 13:19:53,646 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:53,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-01 13:19:53,685 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 13:19:53,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:19:53 BoogieIcfgContainer [2024-12-01 13:19:53,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 13:19:53,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 13:19:53,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 13:19:53,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 13:19:53,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:52" (3/4) ... [2024-12-01 13:19:53,693 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-01 13:19:53,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-01 13:19:53,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-01 13:19:53,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-01 13:19:53,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-01 13:19:53,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-01 13:19:53,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 13:19:53,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 13:19:53,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 13:19:53,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-01 13:19:53,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 13:19:53,781 INFO L158 Benchmark]: Toolchain (without parser) took 2912.99ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 70.4MB in the end (delta: 19.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-12-01 13:19:53,782 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 13:19:53,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.95ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 80.8MB in the end (delta: 8.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-01 13:19:53,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 13:19:53,782 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 13:19:53,782 INFO L158 Benchmark]: RCFGBuilder took 329.41ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 59.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 13:19:53,783 INFO L158 Benchmark]: TraceAbstraction took 1434.95ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 76.7MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 13:19:53,783 INFO L158 Benchmark]: Witness Printer took 89.94ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 70.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 13:19:53,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.95ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 80.8MB in the end (delta: 8.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.41ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 59.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1434.95ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 76.7MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.94ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 70.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: 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: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 2354 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1119 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1235 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 15 MinimizatonAttempts, 17 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 124/124 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-01 13:19:53,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9956d9-c454-4af8-9f82-97f11f7c7041/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE