./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_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_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/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_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/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_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/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 fcff98ef51e3b09131273b34f1e7e992e7f5c9a8509de788567aa68bc3d1cb7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:22:37,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:22:37,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 05:22:37,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:22:37,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:22:37,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:22:37,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:22:37,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:22:37,181 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:22:37,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:22:37,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:22:37,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:22:37,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:22:37,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:22:37,182 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:22:37,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:22:37,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:22:37,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:22:37,183 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:22:37,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:22:37,184 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:22:37,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:37,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:22:37,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:37,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:37,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:37,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:22:37,185 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:22:37,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:22:37,186 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_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/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 -> fcff98ef51e3b09131273b34f1e7e992e7f5c9a8509de788567aa68bc3d1cb7e [2024-11-28 05:22:37,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:22:37,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:22:37,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:22:37,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:22:37,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:22:37,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i [2024-11-28 05:22:40,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/data/168feb940/249910ee93684e8f9a4c895de4dd47bc/FLAGf0a40c91d [2024-11-28 05:22:41,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:22:41,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i [2024-11-28 05:22:41,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/data/168feb940/249910ee93684e8f9a4c895de4dd47bc/FLAGf0a40c91d [2024-11-28 05:22:41,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/data/168feb940/249910ee93684e8f9a4c895de4dd47bc [2024-11-28 05:22:41,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:22:41,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:22:41,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:41,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:22:41,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:22:41,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:41" (1/1) ... [2024-11-28 05:22:41,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa0dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:41, skipping insertion in model container [2024-11-28 05:22:41,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:41" (1/1) ... [2024-11-28 05:22:41,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:22:42,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:42,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:22:42,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:43,068 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:22:43,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43 WrapperNode [2024-11-28 05:22:43,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:43,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:43,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:22:43,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:22:43,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,161 INFO L138 Inliner]: procedures = 501, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2024-11-28 05:22:43,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:43,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:22:43,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:22:43,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:22:43,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,208 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 05:22:43,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:22:43,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:22:43,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:22:43,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:22:43,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (1/1) ... [2024-11-28 05:22:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:43,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:43,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:22:43,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:22:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-28 05:22:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-28 05:22:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 05:22:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 05:22:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-28 05:22:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-28 05:22:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:22:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:22:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:22:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2024-11-28 05:22:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2024-11-28 05:22:43,564 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:22:43,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:22:44,087 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-28 05:22:44,087 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:22:44,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:22:44,099 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:22:44,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:44 BoogieIcfgContainer [2024-11-28 05:22:44,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:22:44,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:22:44,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:22:44,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:22:44,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:22:41" (1/3) ... [2024-11-28 05:22:44,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adebcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:44, skipping insertion in model container [2024-11-28 05:22:44,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:43" (2/3) ... [2024-11-28 05:22:44,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adebcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:44, skipping insertion in model container [2024-11-28 05:22:44,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:44" (3/3) ... [2024-11-28 05:22:44,110 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_11_good.i [2024-11-28 05:22:44,126 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:22:44,128 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_sub_11_good.i that has 5 procedures, 125 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-28 05:22:44,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:22:44,208 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;@198329cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:22:44,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 05:22:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 106 states have internal predecessors, (139), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 05:22:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 05:22:44,221 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:44,221 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:44,222 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)] === [2024-11-28 05:22:44,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:44,228 INFO L85 PathProgramCache]: Analyzing trace with hash 919899819, now seen corresponding path program 1 times [2024-11-28 05:22:44,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:44,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711451711] [2024-11-28 05:22:44,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:44,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:44,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:44,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711451711] [2024-11-28 05:22:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711451711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:44,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:44,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:22:44,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215154117] [2024-11-28 05:22:44,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:44,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:22:44,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:44,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:22:44,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:22:44,663 INFO L87 Difference]: Start difference. First operand has 125 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 106 states have internal predecessors, (139), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:22:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:44,736 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2024-11-28 05:22:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:22:44,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-28 05:22:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:44,757 INFO L225 Difference]: With dead ends: 221 [2024-11-28 05:22:44,757 INFO L226 Difference]: Without dead ends: 116 [2024-11-28 05:22:44,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:22:44,767 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 [2024-11-28 05:22:44,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-28 05:22:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-28 05:22:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 99 states have internal predecessors, (130), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2024-11-28 05:22:44,836 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 162 transitions. Word has length 22 [2024-11-28 05:22:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:44,839 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 162 transitions. [2024-11-28 05:22:44,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:22:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2024-11-28 05:22:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 05:22:44,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:44,842 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:44,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:22:44,843 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)] === [2024-11-28 05:22:44,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash 631480520, now seen corresponding path program 1 times [2024-11-28 05:22:44,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:44,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092402046] [2024-11-28 05:22:44,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:44,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:44,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:44,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092402046] [2024-11-28 05:22:44,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092402046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:44,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:44,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:44,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385489762] [2024-11-28 05:22:44,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:44,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:44,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:44,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:44,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:44,987 INFO L87 Difference]: Start difference. First operand 116 states and 162 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-28 05:22:45,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:45,052 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-28 05:22:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:45,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 28 [2024-11-28 05:22:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:45,058 INFO L225 Difference]: With dead ends: 116 [2024-11-28 05:22:45,060 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 05:22:45,061 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 [2024-11-28 05:22:45,062 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 37 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:45,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 274 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:45,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 05:22:45,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-28 05:22:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 98 states have internal predecessors, (129), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-11-28 05:22:45,095 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 28 [2024-11-28 05:22:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:45,096 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-11-28 05:22:45,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-28 05:22:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-11-28 05:22:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 05:22:45,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:45,097 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:45,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:22:45,098 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)] === [2024-11-28 05:22:45,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:45,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1898940212, now seen corresponding path program 1 times [2024-11-28 05:22:45,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:45,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081712981] [2024-11-28 05:22:45,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:45,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:45,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:45,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081712981] [2024-11-28 05:22:45,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081712981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:45,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:45,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:45,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045684820] [2024-11-28 05:22:45,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:45,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:45,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:45,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:45,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:45,346 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:22:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:45,383 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-28 05:22:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-28 05:22:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:45,389 INFO L225 Difference]: With dead ends: 116 [2024-11-28 05:22:45,389 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 05:22:45,389 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 [2024-11-28 05:22:45,390 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 37 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 268 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 [2024-11-28 05:22:45,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 05:22:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-28 05:22:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 97 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-28 05:22:45,413 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 29 [2024-11-28 05:22:45,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:45,413 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-28 05:22:45,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:22:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-28 05:22:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 05:22:45,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:45,417 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:45,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:22:45,417 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)] === [2024-11-28 05:22:45,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:45,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1293609962, now seen corresponding path program 1 times [2024-11-28 05:22:45,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:45,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86500979] [2024-11-28 05:22:45,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:45,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:22:45,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:45,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86500979] [2024-11-28 05:22:45,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86500979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:45,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:45,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:22:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092444602] [2024-11-28 05:22:45,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:45,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:22:45,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:45,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:22:45,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:22:45,646 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:45,691 INFO L93 Difference]: Finished difference Result 189 states and 260 transitions. [2024-11-28 05:22:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:22:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-28 05:22:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:45,693 INFO L225 Difference]: With dead ends: 189 [2024-11-28 05:22:45,694 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 05:22:45,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:22:45,699 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 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 [2024-11-28 05:22:45,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:45,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 05:22:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-28 05:22:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 96 states have internal predecessors, (127), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:22:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2024-11-28 05:22:45,717 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 46 [2024-11-28 05:22:45,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:45,717 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2024-11-28 05:22:45,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2024-11-28 05:22:45,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 05:22:45,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:45,719 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:45,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:22:45,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:45,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2127284175, now seen corresponding path program 1 times [2024-11-28 05:22:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:45,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906920381] [2024-11-28 05:22:45,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 05:22:45,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:45,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906920381] [2024-11-28 05:22:45,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906920381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:45,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108356062] [2024-11-28 05:22:45,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:45,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:45,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:45,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:45,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:22:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:46,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:46,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:22:46,194 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:46,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108356062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:46,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:46,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:46,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804839015] [2024-11-28 05:22:46,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:46,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:46,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:46,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:46,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:46,196 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:46,243 INFO L93 Difference]: Finished difference Result 160 states and 214 transitions. [2024-11-28 05:22:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:46,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-28 05:22:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:46,246 INFO L225 Difference]: With dead ends: 160 [2024-11-28 05:22:46,247 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 05:22:46,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:46,250 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 37 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:46,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 263 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 05:22:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2024-11-28 05:22:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.434782608695652) internal successors, (132), 100 states have internal predecessors, (132), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2024-11-28 05:22:46,271 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 47 [2024-11-28 05:22:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:46,272 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2024-11-28 05:22:46,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2024-11-28 05:22:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 05:22:46,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:46,276 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:46,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:22:46,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:46,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:46,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1521299731, now seen corresponding path program 1 times [2024-11-28 05:22:46,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:46,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477668208] [2024-11-28 05:22:46,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:46,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 05:22:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477668208] [2024-11-28 05:22:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477668208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410811314] [2024-11-28 05:22:46,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:46,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:46,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:46,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:46,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:22:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:46,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:46,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:22:46,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:46,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410811314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:46,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:46,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:46,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145845389] [2024-11-28 05:22:46,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:46,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:46,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:46,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:46,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:46,860 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:46,902 INFO L93 Difference]: Finished difference Result 121 states and 167 transitions. [2024-11-28 05:22:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-28 05:22:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:46,910 INFO L225 Difference]: With dead ends: 121 [2024-11-28 05:22:46,910 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 05:22:46,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:46,912 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 36 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:46,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 272 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:46,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 05:22:46,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-28 05:22:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 93 states have (on average 1.4301075268817205) internal successors, (133), 101 states have internal predecessors, (133), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2024-11-28 05:22:46,939 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 48 [2024-11-28 05:22:46,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:46,940 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2024-11-28 05:22:46,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2024-11-28 05:22:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 05:22:46,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:46,942 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:46,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:22:47,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:47,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:47,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash -298385298, now seen corresponding path program 1 times [2024-11-28 05:22:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:47,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169277370] [2024-11-28 05:22:47,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:22:47,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:47,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169277370] [2024-11-28 05:22:47,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169277370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:47,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:47,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:47,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989734225] [2024-11-28 05:22:47,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:47,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:47,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:47,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:47,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:47,250 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 05:22:47,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:47,279 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2024-11-28 05:22:47,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:47,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2024-11-28 05:22:47,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:47,281 INFO L225 Difference]: With dead ends: 120 [2024-11-28 05:22:47,281 INFO L226 Difference]: Without dead ends: 119 [2024-11-28 05:22:47,281 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 [2024-11-28 05:22:47,282 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 41 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:47,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 262 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:47,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-28 05:22:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-28 05:22:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 100 states have internal predecessors, (132), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2024-11-28 05:22:47,301 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 53 [2024-11-28 05:22:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:47,302 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2024-11-28 05:22:47,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 05:22:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2024-11-28 05:22:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 05:22:47,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:47,304 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:47,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:22:47,305 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:47,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:47,305 INFO L85 PathProgramCache]: Analyzing trace with hash -660009392, now seen corresponding path program 1 times [2024-11-28 05:22:47,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:47,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943676022] [2024-11-28 05:22:47,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:22:47,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943676022] [2024-11-28 05:22:47,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943676022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:47,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:47,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:47,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402398521] [2024-11-28 05:22:47,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:47,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:47,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:47,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:47,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:47,453 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:47,473 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2024-11-28 05:22:47,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:47,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-28 05:22:47,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:47,475 INFO L225 Difference]: With dead ends: 119 [2024-11-28 05:22:47,475 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 05:22:47,476 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 [2024-11-28 05:22:47,477 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 38 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:47,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 257 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 05:22:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2024-11-28 05:22:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 97 states have internal predecessors, (129), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-11-28 05:22:47,486 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 54 [2024-11-28 05:22:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:47,487 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-11-28 05:22:47,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:22:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-11-28 05:22:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 05:22:47,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:47,489 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:47,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:22:47,490 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:47,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:47,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1170899557, now seen corresponding path program 1 times [2024-11-28 05:22:47,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:47,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778827992] [2024-11-28 05:22:47,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:47,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 05:22:47,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778827992] [2024-11-28 05:22:47,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778827992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594024946] [2024-11-28 05:22:47,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:47,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:47,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:22:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:47,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:47,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 05:22:47,774 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:47,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594024946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:47,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:47,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:47,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938094262] [2024-11-28 05:22:47,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:47,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:47,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:47,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:47,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:47,776 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 05:22:47,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:47,799 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-28 05:22:47,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:47,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2024-11-28 05:22:47,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:47,802 INFO L225 Difference]: With dead ends: 116 [2024-11-28 05:22:47,802 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 05:22:47,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:47,803 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 4 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:47,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 291 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 05:22:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-28 05:22:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 96 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-28 05:22:47,818 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 59 [2024-11-28 05:22:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:47,818 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-28 05:22:47,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 05:22:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-28 05:22:47,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 05:22:47,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:47,826 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:47,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:22:48,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:48,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:48,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:48,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1938148181, now seen corresponding path program 1 times [2024-11-28 05:22:48,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:48,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032457621] [2024-11-28 05:22:48,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 05:22:48,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032457621] [2024-11-28 05:22:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032457621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:48,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387614505] [2024-11-28 05:22:48,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:48,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:48,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:48,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:22:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:48,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 05:22:48,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:48,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387614505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:48,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:48,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:48,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614133750] [2024-11-28 05:22:48,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:48,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:48,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:48,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:48,353 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 05:22:48,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:48,382 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2024-11-28 05:22:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:48,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-28 05:22:48,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:48,385 INFO L225 Difference]: With dead ends: 121 [2024-11-28 05:22:48,388 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 05:22:48,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:48,390 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 300 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 [2024-11-28 05:22:48,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 300 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 05:22:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-28 05:22:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 95 states have (on average 1.4) internal successors, (133), 99 states have internal predecessors, (133), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:22:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2024-11-28 05:22:48,407 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 60 [2024-11-28 05:22:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:48,408 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2024-11-28 05:22:48,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 05:22:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2024-11-28 05:22:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 05:22:48,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:48,411 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:48,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:22:48,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:48,615 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:48,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2131807237, now seen corresponding path program 1 times [2024-11-28 05:22:48,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069983021] [2024-11-28 05:22:48,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 05:22:48,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:48,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069983021] [2024-11-28 05:22:48,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069983021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:48,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858287805] [2024-11-28 05:22:48,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:48,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:48,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:22:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:48,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 05:22:48,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:48,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858287805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:48,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:48,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:48,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423454522] [2024-11-28 05:22:48,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:48,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:48,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:48,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:48,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:48,895 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 05:22:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:48,915 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2024-11-28 05:22:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:48,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-28 05:22:48,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:48,917 INFO L225 Difference]: With dead ends: 120 [2024-11-28 05:22:48,917 INFO L226 Difference]: Without dead ends: 119 [2024-11-28 05:22:48,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:48,919 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 1 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:48,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 291 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:48,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-28 05:22:48,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2024-11-28 05:22:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 95 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2024-11-28 05:22:48,929 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 65 [2024-11-28 05:22:48,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:48,929 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2024-11-28 05:22:48,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 05:22:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2024-11-28 05:22:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 05:22:48,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:48,931 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:48,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 05:22:49,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:49,132 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:49,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,133 INFO L85 PathProgramCache]: Analyzing trace with hash -85122972, now seen corresponding path program 1 times [2024-11-28 05:22:49,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813331842] [2024-11-28 05:22:49,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 05:22:49,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813331842] [2024-11-28 05:22:49,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813331842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:49,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619839864] [2024-11-28 05:22:49,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:49,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:49,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:49,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:22:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:49,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:22:49,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:49,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619839864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:49,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:49,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955039531] [2024-11-28 05:22:49,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:49,386 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:49,402 INFO L93 Difference]: Finished difference Result 113 states and 159 transitions. [2024-11-28 05:22:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2024-11-28 05:22:49,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:49,406 INFO L225 Difference]: With dead ends: 113 [2024-11-28 05:22:49,406 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 05:22:49,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:49,407 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 3 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:49,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 292 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 05:22:49,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 05:22:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-28 05:22:49,422 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 72 [2024-11-28 05:22:49,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:49,422 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-28 05:22:49,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-28 05:22:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 05:22:49,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:49,423 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:22:49,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 05:22:49,631 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:49,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1656155469, now seen corresponding path program 1 times [2024-11-28 05:22:49,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502042746] [2024-11-28 05:22:49,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 05:22:49,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502042746] [2024-11-28 05:22:49,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502042746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:49,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394156291] [2024-11-28 05:22:49,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:49,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:49,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:22:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:49,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:22:49,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:49,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394156291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:49,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:49,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784895297] [2024-11-28 05:22:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:49,891 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:49,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:49,905 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2024-11-28 05:22:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73 [2024-11-28 05:22:49,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:49,907 INFO L225 Difference]: With dead ends: 118 [2024-11-28 05:22:49,907 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 05:22:49,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:49,908 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:49,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 05:22:49,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 05:22:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 94 states have internal predecessors, (125), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:22:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-11-28 05:22:49,916 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 73 [2024-11-28 05:22:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:49,917 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-11-28 05:22:49,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-11-28 05:22:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 05:22:49,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:49,918 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:22:50,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:50,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 05:22:50,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1958753457, now seen corresponding path program 1 times [2024-11-28 05:22:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:50,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354886129] [2024-11-28 05:22:50,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 05:22:50,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:50,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354886129] [2024-11-28 05:22:50,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354886129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:22:50,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694200978] [2024-11-28 05:22:50,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:50,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:50,224 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:22:50,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:22:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:50,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:22:50,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:22:50,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:50,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694200978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:50,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:50,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 05:22:50,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736938480] [2024-11-28 05:22:50,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:50,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:50,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:50,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:50,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:50,409 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:50,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:50,421 INFO L93 Difference]: Finished difference Result 112 states and 157 transitions. [2024-11-28 05:22:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73 [2024-11-28 05:22:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:50,422 INFO L225 Difference]: With dead ends: 112 [2024-11-28 05:22:50,422 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:22:50,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:22:50,424 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:50,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:50,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:22:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:22:50,425 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) [2024-11-28 05:22:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:22:50,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-11-28 05:22:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:50,426 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:22:50,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:22:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:22:50,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:22:50,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-28 05:22:50,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-28 05:22:50,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 05:22:50,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 05:22:50,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 05:22:50,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 05:22:50,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 05:22:50,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 05:22:50,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 05:22:50,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:50,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:50,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:22:50,750 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:22:50,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:22:50 BoogieIcfgContainer [2024-11-28 05:22:50,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:22:50,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:22:50,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:22:50,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:22:50,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:44" (3/4) ... [2024-11-28 05:22:50,766 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:22:50,772 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-28 05:22:50,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2024-11-28 05:22:50,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-28 05:22:50,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2024-11-28 05:22:50,783 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 05:22:50,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 05:22:50,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:22:50,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:22:50,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:22:50,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:22:50,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:22:50,917 INFO L158 Benchmark]: Toolchain (without parser) took 9494.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.8MB in the beginning and 162.5MB in the end (delta: -71.7MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,917 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1643.59ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.31ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 75.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,919 INFO L158 Benchmark]: Boogie Preprocessor took 77.77ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,920 INFO L158 Benchmark]: RCFGBuilder took 859.96ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 50.3MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,920 INFO L158 Benchmark]: TraceAbstraction took 6659.29ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.7MB in the beginning and 167.6MB in the end (delta: -117.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,921 INFO L158 Benchmark]: Witness Printer took 152.98ms. Allocated memory is still 352.3MB. Free memory was 167.6MB in the beginning and 162.5MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1643.59ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.31ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 75.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.77ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 859.96ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 50.3MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6659.29ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.7MB in the beginning and 167.6MB in the end (delta: -117.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 152.98ms. Allocated memory is still 352.3MB. Free memory was 167.6MB in the beginning and 162.5MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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 5 procedures, 125 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 4335 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2167 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2168 mSDtfsCounter, 96 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 16 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1226 NumberOfCodeBlocks, 1226 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1513 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 529/569 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! [2024-11-28 05:22:50,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad647f-9b2c-4d1c-babb-3c7a4e396d90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE