./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_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_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/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_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/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_ce1bb55b-9017-4693-88e1-1bc969de84a1/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 5a3f4caaf6a4997d60a48fcffee94d3f6236ef7a010d20bcbf30cd0ad60759da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:13:40,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:13:40,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 14:13:40,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:13:40,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:13:40,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:13:40,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:13:40,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:13:40,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:13:40,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:13:40,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:13:40,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:13:40,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:13:40,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:13:40,409 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:13:40,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:13:40,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:13:40,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:13:40,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:13:40,410 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:40,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:40,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:40,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:13:40,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:13:40,412 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_ce1bb55b-9017-4693-88e1-1bc969de84a1/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 -> 5a3f4caaf6a4997d60a48fcffee94d3f6236ef7a010d20bcbf30cd0ad60759da [2024-12-02 14:13:40,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:13:40,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:13:40,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:13:40,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:13:40,619 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:13:40,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i [2024-12-02 14:13:43,209 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/data/d928c5730/1c06c9a060494e7c9b66a01428f55784/FLAG801125191 [2024-12-02 14:13:43,527 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:13:43,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i [2024-12-02 14:13:43,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/data/d928c5730/1c06c9a060494e7c9b66a01428f55784/FLAG801125191 [2024-12-02 14:13:43,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/data/d928c5730/1c06c9a060494e7c9b66a01428f55784 [2024-12-02 14:13:43,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:13:43,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:13:43,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:43,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:13:43,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:13:43,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:43" (1/1) ... [2024-12-02 14:13:43,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7566704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:43, skipping insertion in model container [2024-12-02 14:13:43,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:43" (1/1) ... [2024-12-02 14:13:43,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:13:44,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:44,590 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:13:44,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:44,759 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:13:44,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44 WrapperNode [2024-12-02 14:13:44,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:44,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:44,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:13:44,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:13:44,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,805 INFO L138 Inliner]: procedures = 501, calls = 50, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 305 [2024-12-02 14:13:44,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:44,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:13:44,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:13:44,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:13:44,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,827 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 14:13:44,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:13:44,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:13:44,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:13:44,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:13:44,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (1/1) ... [2024-12-02 14:13:44,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:44,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:44,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:13:44,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:13:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 14:13:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 14:13:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 14:13:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 14:13:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:13:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:13:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:13:45,010 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:13:45,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:13:45,336 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-12-02 14:13:45,337 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:13:45,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:13:45,348 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:13:45,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:45 BoogieIcfgContainer [2024-12-02 14:13:45,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:13:45,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:13:45,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:13:45,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:13:45,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:13:43" (1/3) ... [2024-12-02 14:13:45,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c37e19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:45, skipping insertion in model container [2024-12-02 14:13:45,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:44" (2/3) ... [2024-12-02 14:13:45,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c37e19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:45, skipping insertion in model container [2024-12-02 14:13:45,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:45" (3/3) ... [2024-12-02 14:13:45,357 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_15_good.i [2024-12-02 14:13:45,371 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:13:45,372 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_15_good.i that has 3 procedures, 125 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 14:13:45,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:13:45,426 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;@18f9fa5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:13:45,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 14:13:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 116 states have internal predecessors, (151), 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) [2024-12-02 14:13:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:13:45,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:45,436 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,436 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)] === [2024-12-02 14:13:45,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,441 INFO L85 PathProgramCache]: Analyzing trace with hash 915478440, now seen corresponding path program 1 times [2024-12-02 14:13:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300351986] [2024-12-02 14:13:45,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:13:45,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:45,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300351986] [2024-12-02 14:13:45,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300351986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:45,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:45,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:45,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326267755] [2024-12-02 14:13:45,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:45,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:45,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:45,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:45,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:45,677 INFO L87 Difference]: Start difference. First operand has 125 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 116 states have internal predecessors, (151), 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, 3 states have (on average 4.333333333333333) 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) [2024-12-02 14:13:45,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:45,715 INFO L93 Difference]: Finished difference Result 221 states and 320 transitions. [2024-12-02 14:13:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:45,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) 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 [2024-12-02 14:13:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:45,725 INFO L225 Difference]: With dead ends: 221 [2024-12-02 14:13:45,726 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 14:13:45,729 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 [2024-12-02 14:13:45,732 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 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 [2024-12-02 14:13:45,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 14:13:45,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 14:13:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.5393258426966292) internal successors, (137), 104 states have internal predecessors, (137), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:13:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-12-02 14:13:45,771 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 15 [2024-12-02 14:13:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:45,772 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-12-02 14:13:45,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) 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) [2024-12-02 14:13:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-12-02 14:13:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 14:13:45,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:45,774 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:13:45,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:45,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1213025935, now seen corresponding path program 1 times [2024-12-02 14:13:45,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300720584] [2024-12-02 14:13:45,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:13:45,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:45,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300720584] [2024-12-02 14:13:45,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300720584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:45,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:45,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:45,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707064683] [2024-12-02 14:13:45,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:45,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:45,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:45,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:45,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:45,862 INFO L87 Difference]: Start difference. First operand 111 states and 161 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, (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) [2024-12-02 14:13:45,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:45,892 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2024-12-02 14:13:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:45,893 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, (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 20 [2024-12-02 14:13:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:45,894 INFO L225 Difference]: With dead ends: 111 [2024-12-02 14:13:45,895 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 14:13:45,895 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 [2024-12-02 14:13:45,896 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 36 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:45,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 274 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 14:13:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 14:13:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 103 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:13:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 160 transitions. [2024-12-02 14:13:45,906 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 160 transitions. Word has length 20 [2024-12-02 14:13:45,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:45,907 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 160 transitions. [2024-12-02 14:13:45,907 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, (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) [2024-12-02 14:13:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2024-12-02 14:13:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 14:13:45,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:45,908 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:13:45,908 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:45,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1050901527, now seen corresponding path program 1 times [2024-12-02 14:13:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380157611] [2024-12-02 14:13:45,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:45,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:13:46,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380157611] [2024-12-02 14:13:46,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380157611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:46,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611324201] [2024-12-02 14:13:46,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,042 INFO L87 Difference]: Start difference. First operand 110 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:13:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,066 INFO L93 Difference]: Finished difference Result 112 states and 162 transitions. [2024-12-02 14:13:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-12-02 14:13:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,067 INFO L225 Difference]: With dead ends: 112 [2024-12-02 14:13:46,068 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 14:13:46,068 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 [2024-12-02 14:13:46,069 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 38 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 266 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 [2024-12-02 14:13:46,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 266 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 14:13:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-12-02 14:13:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 89 states have (on average 1.5168539325842696) internal successors, (135), 102 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:13:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2024-12-02 14:13:46,078 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 21 [2024-12-02 14:13:46,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,078 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2024-12-02 14:13:46,078 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, (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) [2024-12-02 14:13:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2024-12-02 14:13:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 14:13:46,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,080 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:13:46,080 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)] === [2024-12-02 14:13:46,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,080 INFO L85 PathProgramCache]: Analyzing trace with hash -976907735, now seen corresponding path program 1 times [2024-12-02 14:13:46,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856796074] [2024-12-02 14:13:46,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:13:46,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856796074] [2024-12-02 14:13:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856796074] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494469187] [2024-12-02 14:13:46,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,124 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:13:46,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,147 INFO L93 Difference]: Finished difference Result 181 states and 261 transitions. [2024-12-02 14:13:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-12-02 14:13:46,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,149 INFO L225 Difference]: With dead ends: 181 [2024-12-02 14:13:46,149 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 14:13:46,150 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 [2024-12-02 14:13:46,150 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 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 [2024-12-02 14:13:46,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 14:13:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 14:13:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 102 states have internal predecessors, (134), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:13:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 158 transitions. [2024-12-02 14:13:46,159 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 158 transitions. Word has length 26 [2024-12-02 14:13:46,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,159 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 158 transitions. [2024-12-02 14:13:46,159 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, (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) [2024-12-02 14:13:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2024-12-02 14:13:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 14:13:46,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,160 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] [2024-12-02 14:13:46,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:13:46,161 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)] === [2024-12-02 14:13:46,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1138073597, now seen corresponding path program 1 times [2024-12-02 14:13:46,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506070959] [2024-12-02 14:13:46,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:13:46,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506070959] [2024-12-02 14:13:46,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506070959] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543867938] [2024-12-02 14:13:46,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,204 INFO L87 Difference]: Start difference. First operand 109 states and 158 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-12-02 14:13:46,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,217 INFO L93 Difference]: Finished difference Result 181 states and 260 transitions. [2024-12-02 14:13:46,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 30 [2024-12-02 14:13:46,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,219 INFO L225 Difference]: With dead ends: 181 [2024-12-02 14:13:46,219 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 14:13:46,219 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 [2024-12-02 14:13:46,220 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 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 [2024-12-02 14:13:46,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 14:13:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-12-02 14:13:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.4943820224719102) internal successors, (133), 101 states have internal predecessors, (133), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:13:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-12-02 14:13:46,229 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 30 [2024-12-02 14:13:46,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,229 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-12-02 14:13:46,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-12-02 14:13:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-12-02 14:13:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 14:13:46,230 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,230 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, 1] [2024-12-02 14:13:46,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:13:46,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 27942813, now seen corresponding path program 1 times [2024-12-02 14:13:46,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321327271] [2024-12-02 14:13:46,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:13:46,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321327271] [2024-12-02 14:13:46,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321327271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831106667] [2024-12-02 14:13:46,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,284 INFO L87 Difference]: Start difference. First operand 108 states and 155 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, (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) [2024-12-02 14:13:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,295 INFO L93 Difference]: Finished difference Result 153 states and 214 transitions. [2024-12-02 14:13:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,296 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-12-02 14:13:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,297 INFO L225 Difference]: With dead ends: 153 [2024-12-02 14:13:46,297 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 14:13:46,297 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 [2024-12-02 14:13:46,298 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 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 [2024-12-02 14:13:46,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 14:13:46,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-12-02 14:13:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 99 states have internal predecessors, (130), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 14:13:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 150 transitions. [2024-12-02 14:13:46,304 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 150 transitions. Word has length 32 [2024-12-02 14:13:46,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,305 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 150 transitions. [2024-12-02 14:13:46,305 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, (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) [2024-12-02 14:13:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2024-12-02 14:13:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-02 14:13:46,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,306 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, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:13:46,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1165557282, now seen corresponding path program 1 times [2024-12-02 14:13:46,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477449132] [2024-12-02 14:13:46,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:13:46,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477449132] [2024-12-02 14:13:46,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477449132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873865654] [2024-12-02 14:13:46,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,360 INFO L87 Difference]: Start difference. First operand 106 states and 150 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:13:46,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,379 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2024-12-02 14:13:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-12-02 14:13:46,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,381 INFO L225 Difference]: With dead ends: 106 [2024-12-02 14:13:46,381 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 14:13:46,381 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 [2024-12-02 14:13:46,382 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:46,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 252 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 14:13:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 14:13:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 98 states have internal predecessors, (129), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 14:13:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 149 transitions. [2024-12-02 14:13:46,389 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 149 transitions. Word has length 37 [2024-12-02 14:13:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,389 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 149 transitions. [2024-12-02 14:13:46,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:13:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2024-12-02 14:13:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-02 14:13:46,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,391 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:13:46,391 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1772537640, now seen corresponding path program 1 times [2024-12-02 14:13:46,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018965732] [2024-12-02 14:13:46,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:13:46,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018965732] [2024-12-02 14:13:46,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018965732] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:46,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327049170] [2024-12-02 14:13:46,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,514 INFO L87 Difference]: Start difference. First operand 105 states and 149 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-12-02 14:13:46,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,532 INFO L93 Difference]: Finished difference Result 107 states and 151 transitions. [2024-12-02 14:13:46,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 38 [2024-12-02 14:13:46,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,533 INFO L225 Difference]: With dead ends: 107 [2024-12-02 14:13:46,533 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 14:13:46,534 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 [2024-12-02 14:13:46,534 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 39 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 244 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 [2024-12-02 14:13:46,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 244 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 14:13:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2024-12-02 14:13:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 97 states have internal predecessors, (128), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 14:13:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 148 transitions. [2024-12-02 14:13:46,541 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 148 transitions. Word has length 38 [2024-12-02 14:13:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,541 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 148 transitions. [2024-12-02 14:13:46,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-12-02 14:13:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2024-12-02 14:13:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 14:13:46,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:13:46,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1811861917, now seen corresponding path program 1 times [2024-12-02 14:13:46,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257932317] [2024-12-02 14:13:46,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:13:46,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257932317] [2024-12-02 14:13:46,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257932317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604182410] [2024-12-02 14:13:46,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,599 INFO L87 Difference]: Start difference. First operand 104 states and 148 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, (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) [2024-12-02 14:13:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,612 INFO L93 Difference]: Finished difference Result 137 states and 189 transitions. [2024-12-02 14:13:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,612 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, (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 43 [2024-12-02 14:13:46,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,613 INFO L225 Difference]: With dead ends: 137 [2024-12-02 14:13:46,613 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 14:13:46,614 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 [2024-12-02 14:13:46,614 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 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 [2024-12-02 14:13:46,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 14:13:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-12-02 14:13:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.4367816091954022) internal successors, (125), 95 states have internal predecessors, (125), 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) [2024-12-02 14:13:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 143 transitions. [2024-12-02 14:13:46,623 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 143 transitions. Word has length 43 [2024-12-02 14:13:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,623 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 143 transitions. [2024-12-02 14:13:46,623 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, (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) [2024-12-02 14:13:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions. [2024-12-02 14:13:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 14:13:46,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,624 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] [2024-12-02 14:13:46,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:13:46,625 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,625 INFO L85 PathProgramCache]: Analyzing trace with hash -312430551, now seen corresponding path program 1 times [2024-12-02 14:13:46,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634134773] [2024-12-02 14:13:46,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634134773] [2024-12-02 14:13:46,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634134773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299318075] [2024-12-02 14:13:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,691 INFO L87 Difference]: Start difference. First operand 102 states and 143 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-02 14:13:46,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,703 INFO L93 Difference]: Finished difference Result 104 states and 145 transitions. [2024-12-02 14:13:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 48 [2024-12-02 14:13:46,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,705 INFO L225 Difference]: With dead ends: 104 [2024-12-02 14:13:46,705 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 14:13:46,705 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 [2024-12-02 14:13:46,706 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 8 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 265 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 [2024-12-02 14:13:46,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 265 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 14:13:46,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-12-02 14:13:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 94 states have internal predecessors, (124), 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) [2024-12-02 14:13:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 142 transitions. [2024-12-02 14:13:46,712 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 142 transitions. Word has length 48 [2024-12-02 14:13:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,713 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 142 transitions. [2024-12-02 14:13:46,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-02 14:13:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2024-12-02 14:13:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:13:46,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,714 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] [2024-12-02 14:13:46,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:13:46,714 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)] === [2024-12-02 14:13:46,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1095412185, now seen corresponding path program 1 times [2024-12-02 14:13:46,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292581649] [2024-12-02 14:13:46,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:46,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292581649] [2024-12-02 14:13:46,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292581649] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:46,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369666534] [2024-12-02 14:13:46,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,780 INFO L87 Difference]: Start difference. First operand 101 states and 142 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-02 14:13:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,794 INFO L93 Difference]: Finished difference Result 110 states and 154 transitions. [2024-12-02 14:13:46,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 49 [2024-12-02 14:13:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,796 INFO L225 Difference]: With dead ends: 110 [2024-12-02 14:13:46,796 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 14:13:46,797 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 [2024-12-02 14:13:46,797 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 4 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 276 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 [2024-12-02 14:13:46,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 276 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 14:13:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2024-12-02 14:13:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 98 states have internal predecessors, (129), 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) [2024-12-02 14:13:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2024-12-02 14:13:46,804 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 49 [2024-12-02 14:13:46,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,805 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2024-12-02 14:13:46,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-02 14:13:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2024-12-02 14:13:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:13:46,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,806 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] [2024-12-02 14:13:46,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:13:46,806 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1093565143, now seen corresponding path program 1 times [2024-12-02 14:13:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997870125] [2024-12-02 14:13:46,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:46,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997870125] [2024-12-02 14:13:46,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997870125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389480216] [2024-12-02 14:13:46,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,859 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-02 14:13:46,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,872 INFO L93 Difference]: Finished difference Result 132 states and 179 transitions. [2024-12-02 14:13:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 49 [2024-12-02 14:13:46,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,874 INFO L225 Difference]: With dead ends: 132 [2024-12-02 14:13:46,874 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 14:13:46,874 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 [2024-12-02 14:13:46,875 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 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 [2024-12-02 14:13:46,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 14:13:46,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 14:13:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 97 states have internal predecessors, (128), 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) [2024-12-02 14:13:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 146 transitions. [2024-12-02 14:13:46,881 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 146 transitions. Word has length 49 [2024-12-02 14:13:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,881 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 146 transitions. [2024-12-02 14:13:46,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-02 14:13:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2024-12-02 14:13:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 14:13:46,882 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:13:46,883 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash 882576792, now seen corresponding path program 1 times [2024-12-02 14:13:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562502574] [2024-12-02 14:13:46,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 14:13:46,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562502574] [2024-12-02 14:13:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562502574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508127602] [2024-12-02 14:13:46,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:46,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:46,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:46,943 INFO L87 Difference]: Start difference. First operand 105 states and 146 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-02 14:13:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:46,954 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2024-12-02 14:13:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:46,955 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), 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 53 [2024-12-02 14:13:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:46,956 INFO L225 Difference]: With dead ends: 127 [2024-12-02 14:13:46,956 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 14:13:46,956 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 [2024-12-02 14:13:46,957 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 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 [2024-12-02 14:13:46,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:46,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 14:13:46,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 14:13:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 92 states have internal predecessors, (121), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:13:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions. [2024-12-02 14:13:46,963 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 53 [2024-12-02 14:13:46,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:46,964 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions. [2024-12-02 14:13:46,964 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), 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) [2024-12-02 14:13:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2024-12-02 14:13:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 14:13:46,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:46,965 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, 1, 1, 1, 1] [2024-12-02 14:13:46,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:13:46,965 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:46,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash 237232475, now seen corresponding path program 1 times [2024-12-02 14:13:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697794262] [2024-12-02 14:13:46,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:46,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:47,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:47,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697794262] [2024-12-02 14:13:47,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697794262] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:47,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:47,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:47,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47197455] [2024-12-02 14:13:47,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:47,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:47,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:47,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:47,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:47,017 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 14:13:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:47,028 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2024-12-02 14:13:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:47,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 54 [2024-12-02 14:13:47,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:47,029 INFO L225 Difference]: With dead ends: 114 [2024-12-02 14:13:47,029 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 14:13:47,030 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 [2024-12-02 14:13:47,030 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 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 [2024-12-02 14:13:47,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 14:13:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-12-02 14:13:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.372093023255814) internal successors, (118), 90 states have internal predecessors, (118), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 14:13:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2024-12-02 14:13:47,035 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 54 [2024-12-02 14:13:47,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:47,035 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2024-12-02 14:13:47,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-02 14:13:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2024-12-02 14:13:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-02 14:13:47,036 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:47,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:47,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:13:47,037 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:47,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:47,037 INFO L85 PathProgramCache]: Analyzing trace with hash 658261817, now seen corresponding path program 1 times [2024-12-02 14:13:47,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:47,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112742007] [2024-12-02 14:13:47,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:47,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:47,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112742007] [2024-12-02 14:13:47,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112742007] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:47,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:47,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:47,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107637696] [2024-12-02 14:13:47,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:47,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:47,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:47,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:47,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:47,106 INFO L87 Difference]: Start difference. First operand 97 states and 132 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-12-02 14:13:47,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:47,114 INFO L93 Difference]: Finished difference Result 97 states and 132 transitions. [2024-12-02 14:13:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:47,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 60 [2024-12-02 14:13:47,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:47,115 INFO L225 Difference]: With dead ends: 97 [2024-12-02 14:13:47,115 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 14:13:47,116 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 [2024-12-02 14:13:47,116 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 4 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 250 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 [2024-12-02 14:13:47,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 250 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:47,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 14:13:47,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 14:13:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 89 states have internal predecessors, (117), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 14:13:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions. [2024-12-02 14:13:47,120 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 60 [2024-12-02 14:13:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:47,121 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions. [2024-12-02 14:13:47,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-12-02 14:13:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2024-12-02 14:13:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 14:13:47,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:47,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:47,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:13:47,122 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:47,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1068719815, now seen corresponding path program 1 times [2024-12-02 14:13:47,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:47,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332931951] [2024-12-02 14:13:47,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:47,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:47,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332931951] [2024-12-02 14:13:47,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332931951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:47,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:47,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:13:47,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270055797] [2024-12-02 14:13:47,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:47,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:47,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:47,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:47,177 INFO L87 Difference]: Start difference. First operand 96 states and 131 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-12-02 14:13:47,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:47,186 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2024-12-02 14:13:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:47,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 61 [2024-12-02 14:13:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:47,187 INFO L225 Difference]: With dead ends: 101 [2024-12-02 14:13:47,187 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 14:13:47,188 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 [2024-12-02 14:13:47,188 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 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 [2024-12-02 14:13:47,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 14:13:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 14:13:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 89 states have internal predecessors, (116), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 14:13:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 130 transitions. [2024-12-02 14:13:47,192 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 130 transitions. Word has length 61 [2024-12-02 14:13:47,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:47,193 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 130 transitions. [2024-12-02 14:13:47,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-12-02 14:13:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2024-12-02 14:13:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-02 14:13:47,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:47,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:47,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:13:47,194 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:13:47,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1284744344, now seen corresponding path program 1 times [2024-12-02 14:13:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:47,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212860907] [2024-12-02 14:13:47,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:13:47,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:47,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212860907] [2024-12-02 14:13:47,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212860907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:47,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:47,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630087478] [2024-12-02 14:13:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:47,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:47,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:47,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:47,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:47,236 INFO L87 Difference]: Start difference. First operand 96 states and 130 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-12-02 14:13:47,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:47,239 INFO L93 Difference]: Finished difference Result 100 states and 134 transitions. [2024-12-02 14:13:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:47,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 62 [2024-12-02 14:13:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:47,240 INFO L225 Difference]: With dead ends: 100 [2024-12-02 14:13:47,240 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:13:47,240 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 [2024-12-02 14:13:47,240 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 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 [2024-12-02 14:13:47,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:13:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:13:47,241 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) [2024-12-02 14:13:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:13:47,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2024-12-02 14:13:47,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:47,242 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:13:47,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-12-02 14:13:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:13:47,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:13:47,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 14:13:47,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 14:13:47,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:13:47,248 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:47,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:13:47,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:13:47,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:13:47 BoogieIcfgContainer [2024-12-02 14:13:47,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:13:47,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:13:47,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:13:47,286 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:13:47,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:45" (3/4) ... [2024-12-02 14:13:47,289 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:13:47,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 14:13:47,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 14:13:47,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 14:13:47,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 14:13:47,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 14:13:47,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:13:47,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:13:47,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:13:47,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:13:47,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:13:47,395 INFO L158 Benchmark]: Toolchain (without parser) took 3601.36ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.7MB in the beginning and 161.1MB in the end (delta: -71.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-12-02 14:13:47,395 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:47,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.27ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 78.4MB in the end (delta: 11.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-02 14:13:47,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.79ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:47,395 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:47,396 INFO L158 Benchmark]: RCFGBuilder took 505.99ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 47.4MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:13:47,396 INFO L158 Benchmark]: TraceAbstraction took 1935.26ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 47.0MB in the beginning and 167.3MB in the end (delta: -120.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-02 14:13:47,396 INFO L158 Benchmark]: Witness Printer took 107.94ms. Allocated memory is still 234.9MB. Free memory was 167.3MB in the beginning and 161.1MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:47,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.27ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 78.4MB in the end (delta: 11.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.79ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.99ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 47.4MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1935.26ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 47.0MB in the beginning and 167.3MB in the end (delta: -120.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 107.94ms. Allocated memory is still 234.9MB. Free memory was 167.3MB in the beginning and 161.1MB in the end (delta: 6.2MB). There was no memory consumed. 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, 125 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 17, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 4663 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2216 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2447 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 17 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 698 NumberOfCodeBlocks, 698 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 681 ConstructedInterpolants, 0 QuantifiedInterpolants, 769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 128/128 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! [2024-12-02 14:13:47,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1bb55b-9017-4693-88e1-1bc969de84a1/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