./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_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_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB --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 01047108b8887d8b05e5a3652987fb07abf2c098f482910d0583a1026705f148 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:04:23,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:04:23,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-27 20:04:23,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:04:23,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:04:23,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:04:23,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:04:23,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:04:23,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:04:23,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:04:23,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:04:23,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:04:23,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:04:23,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:04:23,964 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:04:23,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:04:23,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:04:23,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:04:23,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:04:23,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:04:23,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:04:23,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:04:23,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:04:23,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:04:23,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:04:23,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:04:23,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:04:23,967 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:04:23,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:23,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:23,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:23,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:23,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:23,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:04:23,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:04:23,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:04:23,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:04:23,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:04:23,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:04:23,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:04:23,969 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_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 01047108b8887d8b05e5a3652987fb07abf2c098f482910d0583a1026705f148 [2024-11-27 20:04:24,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:04:24,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:04:24,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:04:24,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:04:24,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:04:24,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_good.i [2024-11-27 20:04:28,384 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/data/dc7a3f297/ba86e6b4fa144cf7b5fab800cce20cc3/FLAG88d5e2bd1 [2024-11-27 20:04:28,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:04:28,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_good.i [2024-11-27 20:04:29,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/data/dc7a3f297/ba86e6b4fa144cf7b5fab800cce20cc3/FLAG88d5e2bd1 [2024-11-27 20:04:29,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/data/dc7a3f297/ba86e6b4fa144cf7b5fab800cce20cc3 [2024-11-27 20:04:29,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:04:29,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:04:29,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:29,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:04:29,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:04:29,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:29" (1/1) ... [2024-11-27 20:04:29,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30676020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:29, skipping insertion in model container [2024-11-27 20:04:29,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:29" (1/1) ... [2024-11-27 20:04:29,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:04:30,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:30,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:04:30,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:30,768 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:04:30,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30 WrapperNode [2024-11-27 20:04:30,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:30,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:30,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:04:30,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:04:30,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,875 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 205 [2024-11-27 20:04:30,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:30,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:04:30,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:04:30,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:04:30,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,912 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:04:30,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:04:30,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:04:30,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:04:30,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:04:30,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (1/1) ... [2024-11-27 20:04:30,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:31,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:04:31,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:04:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-27 20:04:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-27 20:04:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-27 20:04:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-27 20:04:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:04:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:04:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:04:31,278 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:04:31,280 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:04:31,905 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-27 20:04:31,905 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:04:31,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:04:31,920 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:04:31,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:31 BoogieIcfgContainer [2024-11-27 20:04:31,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:04:31,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:04:31,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:04:31,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:04:31,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:04:29" (1/3) ... [2024-11-27 20:04:31,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bf1943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:31, skipping insertion in model container [2024-11-27 20:04:31,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:30" (2/3) ... [2024-11-27 20:04:31,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bf1943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:31, skipping insertion in model container [2024-11-27 20:04:31,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:31" (3/3) ... [2024-11-27 20:04:31,941 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_14_good.i [2024-11-27 20:04:31,964 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:04:31,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_14_good.i that has 3 procedures, 103 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-27 20:04:32,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:04:32,064 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;@48156330, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:04:32,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 20:04:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 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) [2024-11-27 20:04:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-27 20:04:32,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:32,081 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:32,081 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)] === [2024-11-27 20:04:32,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:32,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1257461886, now seen corresponding path program 1 times [2024-11-27 20:04:32,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:32,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5862302] [2024-11-27 20:04:32,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:32,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:32,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5862302] [2024-11-27 20:04:32,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5862302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:32,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:32,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:32,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321696864] [2024-11-27 20:04:32,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:32,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:32,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:32,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:32,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:32,438 INFO L87 Difference]: Start difference. First operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:32,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:32,509 INFO L93 Difference]: Finished difference Result 177 states and 248 transitions. [2024-11-27 20:04:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-27 20:04:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:32,523 INFO L225 Difference]: With dead ends: 177 [2024-11-27 20:04:32,524 INFO L226 Difference]: Without dead ends: 92 [2024-11-27 20:04:32,527 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 [2024-11-27 20:04:32,531 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 131 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:32,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:32,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-27 20:04:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-27 20:04:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 85 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions. [2024-11-27 20:04:32,585 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 12 [2024-11-27 20:04:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:32,588 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 124 transitions. [2024-11-27 20:04:32,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions. [2024-11-27 20:04:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-27 20:04:32,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:32,592 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:32,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:04:32,592 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)] === [2024-11-27 20:04:32,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:32,593 INFO L85 PathProgramCache]: Analyzing trace with hash -804808767, now seen corresponding path program 1 times [2024-11-27 20:04:32,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:32,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089057022] [2024-11-27 20:04:32,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:32,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:32,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:32,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089057022] [2024-11-27 20:04:32,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089057022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:32,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:32,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:32,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368187891] [2024-11-27 20:04:32,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:32,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:32,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:32,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:32,788 INFO L87 Difference]: Start difference. First operand 92 states and 124 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:32,812 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions. [2024-11-27 20:04:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:32,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-27 20:04:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:32,814 INFO L225 Difference]: With dead ends: 92 [2024-11-27 20:04:32,814 INFO L226 Difference]: Without dead ends: 91 [2024-11-27 20:04:32,815 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 [2024-11-27 20:04:32,816 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 237 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 [2024-11-27 20:04:32,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 237 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:32,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-27 20:04:32,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-27 20:04:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 84 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2024-11-27 20:04:32,826 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 18 [2024-11-27 20:04:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:32,827 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2024-11-27 20:04:32,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2024-11-27 20:04:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 20:04:32,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:32,828 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:32,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:04:32,828 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)] === [2024-11-27 20:04:32,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash 820732141, now seen corresponding path program 1 times [2024-11-27 20:04:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:32,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293680982] [2024-11-27 20:04:32,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:33,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:33,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293680982] [2024-11-27 20:04:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293680982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:33,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:33,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:33,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060912117] [2024-11-27 20:04:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:33,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:33,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:33,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:33,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:33,167 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:33,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:33,227 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2024-11-27 20:04:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:33,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-27 20:04:33,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:33,229 INFO L225 Difference]: With dead ends: 91 [2024-11-27 20:04:33,229 INFO L226 Difference]: Without dead ends: 90 [2024-11-27 20:04:33,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:33,230 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 35 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:33,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-27 20:04:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-27 20:04:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 83 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2024-11-27 20:04:33,257 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 19 [2024-11-27 20:04:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:33,257 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2024-11-27 20:04:33,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:04:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2024-11-27 20:04:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-27 20:04:33,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:33,259 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] [2024-11-27 20:04:33,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:04:33,262 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)] === [2024-11-27 20:04:33,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:33,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2114690354, now seen corresponding path program 1 times [2024-11-27 20:04:33,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:33,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330746791] [2024-11-27 20:04:33,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:33,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:33,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330746791] [2024-11-27 20:04:33,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330746791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:33,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:33,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167182542] [2024-11-27 20:04:33,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:33,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:33,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:33,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:33,477 INFO L87 Difference]: Start difference. First operand 90 states and 122 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-27 20:04:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:33,507 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-27 20:04:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:33,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-27 20:04:33,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:33,511 INFO L225 Difference]: With dead ends: 90 [2024-11-27 20:04:33,514 INFO L226 Difference]: Without dead ends: 89 [2024-11-27 20:04:33,514 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 [2024-11-27 20:04:33,515 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 233 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 [2024-11-27 20:04:33,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 233 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-27 20:04:33,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-27 20:04:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 82 states have internal predecessors, (109), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-11-27 20:04:33,534 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 33 [2024-11-27 20:04:33,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:33,540 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-11-27 20:04:33,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-27 20:04:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-27 20:04:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 20:04:33,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:33,542 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] [2024-11-27 20:04:33,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:04:33,542 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:04:33,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:33,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1130891778, now seen corresponding path program 1 times [2024-11-27 20:04:33,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:33,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966342232] [2024-11-27 20:04:33,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:33,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966342232] [2024-11-27 20:04:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966342232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:33,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:33,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:33,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667051858] [2024-11-27 20:04:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:33,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:33,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:33,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:33,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:33,780 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (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) [2024-11-27 20:04:33,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:33,827 INFO L93 Difference]: Finished difference Result 89 states and 121 transitions. [2024-11-27 20:04:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:33,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-27 20:04:33,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:33,832 INFO L225 Difference]: With dead ends: 89 [2024-11-27 20:04:33,832 INFO L226 Difference]: Without dead ends: 88 [2024-11-27 20:04:33,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:33,833 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 35 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:33,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 307 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-27 20:04:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-27 20:04:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 81 states have internal predecessors, (108), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-11-27 20:04:33,849 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 34 [2024-11-27 20:04:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:33,850 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-11-27 20:04:33,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (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) [2024-11-27 20:04:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-11-27 20:04:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 20:04:33,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:33,856 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] [2024-11-27 20:04:33,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:04:33,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:04:33,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:33,858 INFO L85 PathProgramCache]: Analyzing trace with hash 403832941, now seen corresponding path program 1 times [2024-11-27 20:04:33,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:33,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750970940] [2024-11-27 20:04:33,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:34,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750970940] [2024-11-27 20:04:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750970940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:34,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:34,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833320606] [2024-11-27 20:04:34,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:34,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:34,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,024 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-27 20:04:34,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,052 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2024-11-27 20:04:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:34,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 41 [2024-11-27 20:04:34,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,054 INFO L225 Difference]: With dead ends: 88 [2024-11-27 20:04:34,055 INFO L226 Difference]: Without dead ends: 87 [2024-11-27 20:04:34,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,056 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:34,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:34,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-27 20:04:34,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-27 20:04:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 80 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-11-27 20:04:34,073 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 41 [2024-11-27 20:04:34,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,074 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-11-27 20:04:34,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-27 20:04:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-11-27 20:04:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 20:04:34,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:34,078 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:34,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:04:34,078 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:04:34,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:34,079 INFO L85 PathProgramCache]: Analyzing trace with hash -366080449, now seen corresponding path program 1 times [2024-11-27 20:04:34,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:34,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670009182] [2024-11-27 20:04:34,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:34,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670009182] [2024-11-27 20:04:34,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670009182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:34,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:34,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368158159] [2024-11-27 20:04:34,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:34,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:34,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,229 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:04:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,266 INFO L93 Difference]: Finished difference Result 87 states and 119 transitions. [2024-11-27 20:04:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-27 20:04:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,268 INFO L225 Difference]: With dead ends: 87 [2024-11-27 20:04:34,269 INFO L226 Difference]: Without dead ends: 86 [2024-11-27 20:04:34,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,270 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:34,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:34,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-27 20:04:34,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-27 20:04:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.394736842105263) internal successors, (106), 79 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2024-11-27 20:04:34,288 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 42 [2024-11-27 20:04:34,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,288 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2024-11-27 20:04:34,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:04:34,290 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-11-27 20:04:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 20:04:34,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:34,292 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] [2024-11-27 20:04:34,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:04:34,295 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:04:34,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash -517882348, now seen corresponding path program 1 times [2024-11-27 20:04:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:34,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959659890] [2024-11-27 20:04:34,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:34,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959659890] [2024-11-27 20:04:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959659890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:34,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097964264] [2024-11-27 20:04:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:34,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:34,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,443 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-27 20:04:34,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,475 INFO L93 Difference]: Finished difference Result 86 states and 118 transitions. [2024-11-27 20:04:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:34,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 51 [2024-11-27 20:04:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,481 INFO L225 Difference]: With dead ends: 86 [2024-11-27 20:04:34,482 INFO L226 Difference]: Without dead ends: 85 [2024-11-27 20:04:34,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,483 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 339 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 [2024-11-27 20:04:34,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 339 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:34,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-27 20:04:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-27 20:04:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:04:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2024-11-27 20:04:34,499 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 51 [2024-11-27 20:04:34,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,499 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2024-11-27 20:04:34,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-27 20:04:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2024-11-27 20:04:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:04:34,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:34,501 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] [2024-11-27 20:04:34,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:04:34,502 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:04:34,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:34,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1125516683, now seen corresponding path program 1 times [2024-11-27 20:04:34,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:34,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963940375] [2024-11-27 20:04:34,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:34,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963940375] [2024-11-27 20:04:34,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963940375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:34,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129612705] [2024-11-27 20:04:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:34,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,664 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 20:04:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,688 INFO L93 Difference]: Finished difference Result 85 states and 117 transitions. [2024-11-27 20:04:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:34,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 52 [2024-11-27 20:04:34,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,693 INFO L225 Difference]: With dead ends: 85 [2024-11-27 20:04:34,693 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:04:34,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:34,694 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 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 [2024-11-27 20:04:34,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:04:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:04:34,695 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) [2024-11-27 20:04:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:04:34,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2024-11-27 20:04:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,696 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:04:34,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 20:04:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:04:34,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:04:34,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-27 20:04:34,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-27 20:04:34,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-27 20:04:34,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-27 20:04:34,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-27 20:04:34,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-27 20:04:34,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-27 20:04:34,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-27 20:04:34,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:04:34,717 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:34,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:04:34,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:04:34,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:04:34 BoogieIcfgContainer [2024-11-27 20:04:34,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:04:34,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:04:34,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:04:34,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:04:34,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:31" (3/4) ... [2024-11-27 20:04:34,803 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:04:34,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-27 20:04:34,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-27 20:04:34,821 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 20:04:34,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 20:04:34,823 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:04:34,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:04:34,960 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:04:34,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:04:34,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:04:34,962 INFO L158 Benchmark]: Toolchain (without parser) took 5916.68ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 49.8MB in the end (delta: 64.4MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,962 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:34,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.80ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 54.5MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.04ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 51.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,964 INFO L158 Benchmark]: Boogie Preprocessor took 57.50ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:34,965 INFO L158 Benchmark]: RCFGBuilder took 985.87ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 95.9MB in the end (delta: -46.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,965 INFO L158 Benchmark]: TraceAbstraction took 2866.98ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 55.8MB in the end (delta: 39.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,965 INFO L158 Benchmark]: Witness Printer took 165.14ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 49.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:34,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.80ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 54.5MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.04ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 51.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.50ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 985.87ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 95.9MB in the end (delta: -46.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2866.98ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 55.8MB in the end (delta: 39.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 165.14ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 49.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 103 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 2575 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1518 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1057 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:04:34,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c698e769-d15a-45b6-8ae0-76777bcf3c5c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE