./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-006.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/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_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-006.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/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 32bit --witnessprinter.graph.data.programhash 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:15:34,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:15:34,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:15:34,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:15:34,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:15:34,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:15:34,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:15:34,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:15:34,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:15:34,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:15:34,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:15:34,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:15:34,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:15:34,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:15:34,313 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:15:34,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:15:34,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:15:34,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:15:34,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:15:34,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:15:34,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:15:34,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:15:34,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:15:34,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:15:34,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:15:34,319 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_099861e7-64f7-4504-b162-fe2b81ad002c/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f [2024-11-28 03:15:34,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:15:34,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:15:34,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:15:34,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:15:34,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:15:34,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/xcsp/AllInterval-006.c [2024-11-28 03:15:37,615 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/data/5d5d7e951/85f9ac0e197d4e97932a7c95630c9a30/FLAGbd362e15f [2024-11-28 03:15:37,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:15:37,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/sv-benchmarks/c/xcsp/AllInterval-006.c [2024-11-28 03:15:37,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/data/5d5d7e951/85f9ac0e197d4e97932a7c95630c9a30/FLAGbd362e15f [2024-11-28 03:15:38,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/data/5d5d7e951/85f9ac0e197d4e97932a7c95630c9a30 [2024-11-28 03:15:38,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:15:38,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:15:38,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:15:38,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:15:38,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:15:38,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360ee0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38, skipping insertion in model container [2024-11-28 03:15:38,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:15:38,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:15:38,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:15:38,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:15:38,507 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:15:38,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38 WrapperNode [2024-11-28 03:15:38,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:15:38,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:15:38,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:15:38,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:15:38,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,545 INFO L138 Inliner]: procedures = 13, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 175 [2024-11-28 03:15:38,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:15:38,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:15:38,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:15:38,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:15:38,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,585 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:15:38,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:15:38,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:15:38,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:15:38,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:15:38,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2024-11-28 03:15:38,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:15:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:38,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:15:38,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:15:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:15:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:15:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:15:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:15:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-28 03:15:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-28 03:15:38,741 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:15:38,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:15:39,145 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-28 03:15:39,145 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:15:39,159 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:15:39,159 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:15:39,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39 BoogieIcfgContainer [2024-11-28 03:15:39,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:15:39,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:15:39,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:15:39,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:15:39,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:38" (1/3) ... [2024-11-28 03:15:39,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f8ed49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:39, skipping insertion in model container [2024-11-28 03:15:39,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (2/3) ... [2024-11-28 03:15:39,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f8ed49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:39, skipping insertion in model container [2024-11-28 03:15:39,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39" (3/3) ... [2024-11-28 03:15:39,170 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-006.c [2024-11-28 03:15:39,186 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:15:39,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-006.c that has 2 procedures, 125 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2024-11-28 03:15:39,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:15:39,261 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;@3768943d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:15:39,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-28 03:15:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 71 states have internal predecessors, (77), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:15:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-28 03:15:39,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:39,286 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:39,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:39,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:39,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1720294083, now seen corresponding path program 1 times [2024-11-28 03:15:39,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:39,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205371882] [2024-11-28 03:15:39,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2024-11-28 03:15:39,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:39,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205371882] [2024-11-28 03:15:39,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205371882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:39,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041838003] [2024-11-28 03:15:39,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:39,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:39,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:39,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:39,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:15:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:39,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:15:40,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2024-11-28 03:15:40,073 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:15:40,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041838003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:15:40,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:15:40,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:15:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454849385] [2024-11-28 03:15:40,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:15:40,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:15:40,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:40,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:15:40,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:15:40,105 INFO L87 Difference]: Start difference. First operand has 125 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 71 states have internal predecessors, (77), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 03:15:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:40,167 INFO L93 Difference]: Finished difference Result 243 states and 407 transitions. [2024-11-28 03:15:40,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:15:40,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) Word has length 250 [2024-11-28 03:15:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:40,176 INFO L225 Difference]: With dead ends: 243 [2024-11-28 03:15:40,176 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 03:15:40,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:15:40,187 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:40,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:15:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 03:15:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-28 03:15:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 46 states have (on average 1.5) internal successors, (69), 65 states have internal predecessors, (69), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2024-11-28 03:15:40,268 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 250 [2024-11-28 03:15:40,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:40,268 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2024-11-28 03:15:40,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 03:15:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2024-11-28 03:15:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-28 03:15:40,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:40,278 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:40,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:40,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:40,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:40,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash -896135553, now seen corresponding path program 1 times [2024-11-28 03:15:40,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:40,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366351680] [2024-11-28 03:15:40,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:41,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:41,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366351680] [2024-11-28 03:15:41,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366351680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:41,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061182785] [2024-11-28 03:15:41,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:41,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:41,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:41,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:15:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:41,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:41,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:42,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:42,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061182785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:42,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:42,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 03:15:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909783072] [2024-11-28 03:15:42,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:42,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:15:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:42,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:15:42,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:42,663 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2024-11-28 03:15:43,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:43,140 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2024-11-28 03:15:43,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:15:43,141 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) Word has length 250 [2024-11-28 03:15:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:43,146 INFO L225 Difference]: With dead ends: 118 [2024-11-28 03:15:43,146 INFO L226 Difference]: Without dead ends: 117 [2024-11-28 03:15:43,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:43,149 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 3 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:43,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 542 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:15:43,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-28 03:15:43,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-28 03:15:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 64 states have internal predecessors, (68), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2024-11-28 03:15:43,176 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 250 [2024-11-28 03:15:43,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:43,178 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2024-11-28 03:15:43,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2024-11-28 03:15:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2024-11-28 03:15:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-28 03:15:43,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:43,183 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:43,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:15:43,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:43,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:43,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2010398272, now seen corresponding path program 1 times [2024-11-28 03:15:43,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:43,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458300241] [2024-11-28 03:15:43,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:43,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:43,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458300241] [2024-11-28 03:15:43,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458300241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:43,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858038149] [2024-11-28 03:15:43,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:43,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:43,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:43,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:15:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:43,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:44,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:44,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858038149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:44,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:44,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-28 03:15:44,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532251097] [2024-11-28 03:15:44,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:44,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:15:44,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:44,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:15:44,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:44,706 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2024-11-28 03:15:45,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:45,043 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2024-11-28 03:15:45,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:15:45,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) Word has length 251 [2024-11-28 03:15:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:45,047 INFO L225 Difference]: With dead ends: 117 [2024-11-28 03:15:45,047 INFO L226 Difference]: Without dead ends: 116 [2024-11-28 03:15:45,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 497 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:45,050 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:45,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:15:45,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-28 03:15:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-28 03:15:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 63 states have internal predecessors, (67), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2024-11-28 03:15:45,078 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 251 [2024-11-28 03:15:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:45,079 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2024-11-28 03:15:45,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2024-11-28 03:15:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2024-11-28 03:15:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-28 03:15:45,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:45,086 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:45,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:15:45,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:45,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:45,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:45,293 INFO L85 PathProgramCache]: Analyzing trace with hash 742547010, now seen corresponding path program 1 times [2024-11-28 03:15:45,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:45,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208787336] [2024-11-28 03:15:45,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-28 03:15:45,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:45,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208787336] [2024-11-28 03:15:45,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208787336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:15:45,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:15:45,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:15:45,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42408796] [2024-11-28 03:15:45,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:15:45,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:15:45,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:45,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:15:45,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:15:45,440 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-28 03:15:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:45,511 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2024-11-28 03:15:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:15:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 253 [2024-11-28 03:15:45,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:45,513 INFO L225 Difference]: With dead ends: 116 [2024-11-28 03:15:45,513 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 03:15:45,514 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 03:15:45,514 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 5 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:45,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 280 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:15:45,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 03:15:45,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 03:15:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 58 states have internal predecessors, (62), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 164 transitions. [2024-11-28 03:15:45,554 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 164 transitions. Word has length 253 [2024-11-28 03:15:45,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:45,555 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 164 transitions. [2024-11-28 03:15:45,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-28 03:15:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2024-11-28 03:15:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-28 03:15:45,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:45,559 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:45,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:15:45,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:45,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:45,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1544120934, now seen corresponding path program 1 times [2024-11-28 03:15:45,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:45,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778246193] [2024-11-28 03:15:45,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:45,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778246193] [2024-11-28 03:15:45,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778246193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836048778] [2024-11-28 03:15:45,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:45,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:45,887 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:45,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:15:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:46,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:15:46,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:46,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:46,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-11-28 03:15:46,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836048778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:46,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:46,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 03:15:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494372596] [2024-11-28 03:15:46,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:46,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:15:46,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:46,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:15:46,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:15:46,700 INFO L87 Difference]: Start difference. First operand 111 states and 164 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-28 03:15:47,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:47,034 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2024-11-28 03:15:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:15:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) Word has length 254 [2024-11-28 03:15:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:47,038 INFO L225 Difference]: With dead ends: 111 [2024-11-28 03:15:47,038 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 03:15:47,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:15:47,042 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:47,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 415 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:15:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 03:15:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-28 03:15:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 46 states have (on average 1.326086956521739) internal successors, (61), 57 states have internal predecessors, (61), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2024-11-28 03:15:47,059 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 254 [2024-11-28 03:15:47,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:47,060 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2024-11-28 03:15:47,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 3 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-28 03:15:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2024-11-28 03:15:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-28 03:15:47,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:47,064 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:47,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:47,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:47,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:47,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:47,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1952119176, now seen corresponding path program 1 times [2024-11-28 03:15:47,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:47,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130629800] [2024-11-28 03:15:47,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:47,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:47,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:47,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130629800] [2024-11-28 03:15:47,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130629800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:47,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060086379] [2024-11-28 03:15:47,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:47,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:47,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:15:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:47,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:47,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:47,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:48,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060086379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:48,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:48,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 03:15:48,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422213638] [2024-11-28 03:15:48,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:48,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:15:48,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:48,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:15:48,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:48,335 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2024-11-28 03:15:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:48,679 INFO L93 Difference]: Finished difference Result 110 states and 163 transitions. [2024-11-28 03:15:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:15:48,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) Word has length 259 [2024-11-28 03:15:48,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:48,681 INFO L225 Difference]: With dead ends: 110 [2024-11-28 03:15:48,681 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 03:15:48,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:48,682 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 8 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:48,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 550 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:15:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 03:15:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 03:15:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 56 states have internal predecessors, (60), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 162 transitions. [2024-11-28 03:15:48,702 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 162 transitions. Word has length 259 [2024-11-28 03:15:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:48,705 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 162 transitions. [2024-11-28 03:15:48,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 states have internal predecessors, (59), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2024-11-28 03:15:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2024-11-28 03:15:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-28 03:15:48,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:48,712 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:48,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:48,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:48,917 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:48,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash -386152201, now seen corresponding path program 1 times [2024-11-28 03:15:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:48,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339129012] [2024-11-28 03:15:48,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339129012] [2024-11-28 03:15:49,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339129012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179486286] [2024-11-28 03:15:49,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:49,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:49,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:49,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:49,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:15:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:49,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:49,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:49,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2024-11-28 03:15:50,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179486286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:50,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:50,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2024-11-28 03:15:50,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916258685] [2024-11-28 03:15:50,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:50,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:15:50,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:50,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:15:50,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:15:50,070 INFO L87 Difference]: Start difference. First operand 109 states and 162 transitions. Second operand has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) [2024-11-28 03:15:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:50,608 INFO L93 Difference]: Finished difference Result 109 states and 162 transitions. [2024-11-28 03:15:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:15:50,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) Word has length 260 [2024-11-28 03:15:50,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:50,611 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:15:50,611 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 03:15:50,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:15:50,612 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 20 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:50,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 742 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:15:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 03:15:50,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-28 03:15:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 55 states have internal predecessors, (59), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2024-11-28 03:15:50,635 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 260 [2024-11-28 03:15:50,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:50,636 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2024-11-28 03:15:50,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 13 states have internal predecessors, (63), 8 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 7 states have call predecessors, (140), 8 states have call successors, (140) [2024-11-28 03:15:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2024-11-28 03:15:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-28 03:15:50,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:50,640 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:50,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:15:50,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:15:50,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:50,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1937686049, now seen corresponding path program 1 times [2024-11-28 03:15:50,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105590840] [2024-11-28 03:15:50,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 18 proven. 258 refuted. 0 times theorem prover too weak. 4236 trivial. 0 not checked. [2024-11-28 03:15:51,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105590840] [2024-11-28 03:15:51,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105590840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:51,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534205729] [2024-11-28 03:15:51,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:51,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:51,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:51,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:15:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:51,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:15:51,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 177 proven. 351 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2024-11-28 03:15:51,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 177 proven. 351 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2024-11-28 03:15:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534205729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:52,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:52,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-28 03:15:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432764598] [2024-11-28 03:15:52,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:52,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:15:52,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:52,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:15:52,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:15:52,390 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 23 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 23 states have internal predecessors, (73), 11 states have call successors, (142), 1 states have call predecessors, (142), 2 states have return successors, (144), 11 states have call predecessors, (144), 11 states have call successors, (144) [2024-11-28 03:15:53,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:53,214 INFO L93 Difference]: Finished difference Result 112 states and 166 transitions. [2024-11-28 03:15:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:15:53,215 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 23 states have internal predecessors, (73), 11 states have call successors, (142), 1 states have call predecessors, (142), 2 states have return successors, (144), 11 states have call predecessors, (144), 11 states have call successors, (144) Word has length 263 [2024-11-28 03:15:53,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:53,216 INFO L225 Difference]: With dead ends: 112 [2024-11-28 03:15:53,216 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 03:15:53,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:15:53,217 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 44 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:53,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1128 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:15:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 03:15:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-28 03:15:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 54 states have internal predecessors, (58), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 160 transitions. [2024-11-28 03:15:53,242 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 160 transitions. Word has length 263 [2024-11-28 03:15:53,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:53,243 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 160 transitions. [2024-11-28 03:15:53,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 23 states have internal predecessors, (73), 11 states have call successors, (142), 1 states have call predecessors, (142), 2 states have return successors, (144), 11 states have call predecessors, (144), 11 states have call successors, (144) [2024-11-28 03:15:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2024-11-28 03:15:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-28 03:15:53,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:53,245 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:53,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:53,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:53,448 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:53,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1508763077, now seen corresponding path program 1 times [2024-11-28 03:15:53,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:53,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743898391] [2024-11-28 03:15:53,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:53,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:53,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743898391] [2024-11-28 03:15:53,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743898391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776022608] [2024-11-28 03:15:53,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:53,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:53,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:53,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:53,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:15:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:53,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:53,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:54,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:54,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776022608] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:54,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:54,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 03:15:54,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978613234] [2024-11-28 03:15:54,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:54,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:15:54,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:54,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:15:54,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:54,438 INFO L87 Difference]: Start difference. First operand 107 states and 160 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:15:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:54,696 INFO L93 Difference]: Finished difference Result 107 states and 160 transitions. [2024-11-28 03:15:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:15:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) Word has length 268 [2024-11-28 03:15:54,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:54,700 INFO L225 Difference]: With dead ends: 107 [2024-11-28 03:15:54,700 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 03:15:54,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:15:54,701 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 21 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:54,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 382 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:15:54,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 03:15:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-28 03:15:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 53 states have internal predecessors, (57), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 159 transitions. [2024-11-28 03:15:54,720 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 159 transitions. Word has length 268 [2024-11-28 03:15:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:54,722 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 159 transitions. [2024-11-28 03:15:54,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:15:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2024-11-28 03:15:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-28 03:15:54,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:54,727 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:54,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:54,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:54,928 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:54,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash 472984996, now seen corresponding path program 1 times [2024-11-28 03:15:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:54,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902539844] [2024-11-28 03:15:54,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:54,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:55,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902539844] [2024-11-28 03:15:55,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902539844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11677408] [2024-11-28 03:15:55,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:55,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:55,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:55,156 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:55,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:15:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:55,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:15:55,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:55,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:55,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11677408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:55,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:55,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 03:15:55,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793554180] [2024-11-28 03:15:55,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:55,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:15:55,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:55,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:15:55,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:15:55,890 INFO L87 Difference]: Start difference. First operand 106 states and 159 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-28 03:15:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:56,148 INFO L93 Difference]: Finished difference Result 106 states and 159 transitions. [2024-11-28 03:15:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:15:56,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 269 [2024-11-28 03:15:56,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:56,152 INFO L225 Difference]: With dead ends: 106 [2024-11-28 03:15:56,152 INFO L226 Difference]: Without dead ends: 105 [2024-11-28 03:15:56,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 534 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:15:56,153 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 6 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:56,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 378 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:15:56,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-28 03:15:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-28 03:15:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 52 states have internal predecessors, (56), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2024-11-28 03:15:56,168 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 269 [2024-11-28 03:15:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:56,169 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2024-11-28 03:15:56,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-28 03:15:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2024-11-28 03:15:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-28 03:15:56,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:56,171 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:56,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:15:56,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:15:56,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:56,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1091551198, now seen corresponding path program 1 times [2024-11-28 03:15:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:56,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940158124] [2024-11-28 03:15:56,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 30 proven. 252 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2024-11-28 03:15:56,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:56,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940158124] [2024-11-28 03:15:56,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940158124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:56,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519771045] [2024-11-28 03:15:56,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:56,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:56,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:56,667 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:56,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:15:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:56,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:15:56,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:57,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-28 03:15:57,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519771045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:57,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:57,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-28 03:15:57,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44776525] [2024-11-28 03:15:57,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:57,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:15:57,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:57,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:15:57,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:15:57,414 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (135), 5 states have call predecessors, (135), 5 states have call successors, (135) [2024-11-28 03:15:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:57,894 INFO L93 Difference]: Finished difference Result 105 states and 158 transitions. [2024-11-28 03:15:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:15:57,895 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (135), 5 states have call predecessors, (135), 5 states have call successors, (135) Word has length 272 [2024-11-28 03:15:57,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:57,897 INFO L225 Difference]: With dead ends: 105 [2024-11-28 03:15:57,897 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 03:15:57,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 540 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:15:57,898 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 24 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:57,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 516 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:15:57,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 03:15:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 03:15:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 51 states have internal predecessors, (55), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:15:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2024-11-28 03:15:57,917 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 272 [2024-11-28 03:15:57,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:57,918 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2024-11-28 03:15:57,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (135), 5 states have call predecessors, (135), 5 states have call successors, (135) [2024-11-28 03:15:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2024-11-28 03:15:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 03:15:57,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:57,922 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:57,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:15:58,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:58,126 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:15:58,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1849510540, now seen corresponding path program 1 times [2024-11-28 03:15:58,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202483685] [2024-11-28 03:15:58,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:58,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-11-28 03:15:58,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:58,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202483685] [2024-11-28 03:15:58,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202483685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:58,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785868690] [2024-11-28 03:15:58,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:58,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:58,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:58,350 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:58,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:15:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:58,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-28 03:15:58,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 375 proven. 417 refuted. 0 times theorem prover too weak. 4108 trivial. 0 not checked. [2024-11-28 03:15:59,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 375 proven. 417 refuted. 0 times theorem prover too weak. 4108 trivial. 0 not checked. [2024-11-28 03:15:59,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785868690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:59,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:15:59,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 15] total 28 [2024-11-28 03:15:59,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433243908] [2024-11-28 03:15:59,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:59,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 03:15:59,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:59,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 03:15:59,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:15:59,868 INFO L87 Difference]: Start difference. First operand 104 states and 157 transitions. Second operand has 29 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 15 states have call successors, (144), 1 states have call predecessors, (144), 2 states have return successors, (146), 15 states have call predecessors, (146), 15 states have call successors, (146) [2024-11-28 03:16:01,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:01,152 INFO L93 Difference]: Finished difference Result 112 states and 169 transitions. [2024-11-28 03:16:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:16:01,153 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 15 states have call successors, (144), 1 states have call predecessors, (144), 2 states have return successors, (146), 15 states have call predecessors, (146), 15 states have call successors, (146) Word has length 277 [2024-11-28 03:16:01,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:01,155 INFO L225 Difference]: With dead ends: 112 [2024-11-28 03:16:01,155 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 03:16:01,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=262, Invalid=1378, Unknown=0, NotChecked=0, Total=1640 [2024-11-28 03:16:01,156 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 94 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:01,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1365 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:16:01,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 03:16:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2024-11-28 03:16:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 46 states have (on average 1.173913043478261) internal successors, (54), 50 states have internal predecessors, (54), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:16:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 156 transitions. [2024-11-28 03:16:01,173 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 156 transitions. Word has length 277 [2024-11-28 03:16:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:01,176 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 156 transitions. [2024-11-28 03:16:01,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 15 states have call successors, (144), 1 states have call predecessors, (144), 2 states have return successors, (146), 15 states have call predecessors, (146), 15 states have call successors, (146) [2024-11-28 03:16:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2024-11-28 03:16:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-28 03:16:01,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:01,178 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:01,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:16:01,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:01,379 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:16:01,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1500251749, now seen corresponding path program 1 times [2024-11-28 03:16:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:01,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160338840] [2024-11-28 03:16:01,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-11-28 03:16:01,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:01,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160338840] [2024-11-28 03:16:01,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160338840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:01,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111244798] [2024-11-28 03:16:01,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:01,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:01,663 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:01,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:16:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:01,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:16:01,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-11-28 03:16:02,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-11-28 03:16:02,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111244798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:02,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:02,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-11-28 03:16:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391772718] [2024-11-28 03:16:02,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:02,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:16:02,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:02,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:16:02,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:16:02,411 INFO L87 Difference]: Start difference. First operand 103 states and 156 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:16:02,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:02,829 INFO L93 Difference]: Finished difference Result 103 states and 156 transitions. [2024-11-28 03:16:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:16:02,830 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) Word has length 278 [2024-11-28 03:16:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:02,832 INFO L225 Difference]: With dead ends: 103 [2024-11-28 03:16:02,833 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 03:16:02,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:16:02,834 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 51 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:02,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 459 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:16:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 03:16:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-28 03:16:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 49 states have internal predecessors, (53), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:16:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-28 03:16:02,855 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 278 [2024-11-28 03:16:02,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:02,857 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-28 03:16:02,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 6 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:16:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-28 03:16:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:16:02,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:02,860 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:02,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:16:03,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:16:03,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:16:03,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:03,061 INFO L85 PathProgramCache]: Analyzing trace with hash -570025253, now seen corresponding path program 1 times [2024-11-28 03:16:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:03,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578788420] [2024-11-28 03:16:03,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-11-28 03:16:03,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:03,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578788420] [2024-11-28 03:16:03,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578788420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:03,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248026107] [2024-11-28 03:16:03,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:03,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:03,265 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:03,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:16:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:03,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:16:03,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 219 proven. 333 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2024-11-28 03:16:03,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 219 proven. 333 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2024-11-28 03:16:04,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248026107] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:04,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:04,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2024-11-28 03:16:04,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757539422] [2024-11-28 03:16:04,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:04,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 03:16:04,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:04,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 03:16:04,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:16:04,365 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 21 states, 19 states have (on average 4.631578947368421) internal successors, (88), 20 states have internal predecessors, (88), 11 states have call successors, (140), 1 states have call predecessors, (140), 2 states have return successors, (142), 10 states have call predecessors, (142), 11 states have call successors, (142) [2024-11-28 03:16:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:05,169 INFO L93 Difference]: Finished difference Result 106 states and 160 transitions. [2024-11-28 03:16:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:16:05,170 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.631578947368421) internal successors, (88), 20 states have internal predecessors, (88), 11 states have call successors, (140), 1 states have call predecessors, (140), 2 states have return successors, (142), 10 states have call predecessors, (142), 11 states have call successors, (142) Word has length 281 [2024-11-28 03:16:05,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:05,171 INFO L225 Difference]: With dead ends: 106 [2024-11-28 03:16:05,172 INFO L226 Difference]: Without dead ends: 105 [2024-11-28 03:16:05,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 546 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:16:05,174 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 100 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:05,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 843 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:16:05,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-28 03:16:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2024-11-28 03:16:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 48 states have internal predecessors, (52), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:16:05,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2024-11-28 03:16:05,195 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 281 [2024-11-28 03:16:05,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:05,196 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2024-11-28 03:16:05,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.631578947368421) internal successors, (88), 20 states have internal predecessors, (88), 11 states have call successors, (140), 1 states have call predecessors, (140), 2 states have return successors, (142), 10 states have call predecessors, (142), 11 states have call successors, (142) [2024-11-28 03:16:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2024-11-28 03:16:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-28 03:16:05,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:05,199 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:05,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 03:16:05,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 03:16:05,403 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:16:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:05,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1139683849, now seen corresponding path program 1 times [2024-11-28 03:16:05,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:05,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032700335] [2024-11-28 03:16:05,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:05,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-28 03:16:05,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:05,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032700335] [2024-11-28 03:16:05,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032700335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:05,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314121212] [2024-11-28 03:16:05,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:05,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:05,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:05,642 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:05,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:16:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:05,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 03:16:05,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 555 proven. 477 refuted. 0 times theorem prover too weak. 4068 trivial. 0 not checked. [2024-11-28 03:16:06,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 531 proven. 393 refuted. 0 times theorem prover too weak. 4176 trivial. 0 not checked. [2024-11-28 03:16:07,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314121212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:07,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:07,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 20] total 37 [2024-11-28 03:16:07,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949397586] [2024-11-28 03:16:07,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:07,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-28 03:16:07,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:07,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-28 03:16:07,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1226, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:16:07,714 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand has 38 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 35 states have internal predecessors, (93), 19 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (145), 19 states have call predecessors, (145), 19 states have call successors, (145) [2024-11-28 03:16:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:09,464 INFO L93 Difference]: Finished difference Result 113 states and 171 transitions. [2024-11-28 03:16:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:16:09,465 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 35 states have internal predecessors, (93), 19 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (145), 19 states have call predecessors, (145), 19 states have call successors, (145) Word has length 286 [2024-11-28 03:16:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:09,467 INFO L225 Difference]: With dead ends: 113 [2024-11-28 03:16:09,467 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 03:16:09,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=473, Invalid=2497, Unknown=0, NotChecked=0, Total=2970 [2024-11-28 03:16:09,471 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 144 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:09,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1527 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:16:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 03:16:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 100. [2024-11-28 03:16:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 46 states have (on average 1.108695652173913) internal successors, (51), 47 states have internal predecessors, (51), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:16:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 153 transitions. [2024-11-28 03:16:09,490 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 153 transitions. Word has length 286 [2024-11-28 03:16:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:09,490 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 153 transitions. [2024-11-28 03:16:09,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 35 states have internal predecessors, (93), 19 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (145), 19 states have call predecessors, (145), 19 states have call successors, (145) [2024-11-28 03:16:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2024-11-28 03:16:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-28 03:16:09,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:09,493 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:09,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 03:16:09,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:16:09,697 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:16:09,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:09,698 INFO L85 PathProgramCache]: Analyzing trace with hash -970460792, now seen corresponding path program 1 times [2024-11-28 03:16:09,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:09,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125294717] [2024-11-28 03:16:09,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:09,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-28 03:16:09,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:09,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125294717] [2024-11-28 03:16:09,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125294717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:09,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606835469] [2024-11-28 03:16:09,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:09,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:09,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:09,991 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:09,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:16:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:10,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:16:10,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-28 03:16:10,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-28 03:16:10,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606835469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:10,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:10,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-28 03:16:10,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835800783] [2024-11-28 03:16:10,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:10,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:16:10,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:10,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:16:10,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:16:10,720 INFO L87 Difference]: Start difference. First operand 100 states and 153 transitions. Second operand has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) [2024-11-28 03:16:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:11,386 INFO L93 Difference]: Finished difference Result 105 states and 160 transitions. [2024-11-28 03:16:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:16:11,387 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) Word has length 287 [2024-11-28 03:16:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:11,388 INFO L225 Difference]: With dead ends: 105 [2024-11-28 03:16:11,388 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 03:16:11,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:16:11,389 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 70 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:11,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 623 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:16:11,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 03:16:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2024-11-28 03:16:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 46 states have internal predecessors, (50), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-28 03:16:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 152 transitions. [2024-11-28 03:16:11,406 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 152 transitions. Word has length 287 [2024-11-28 03:16:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 152 transitions. [2024-11-28 03:16:11,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 13 states have internal predecessors, (91), 7 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 7 states have call predecessors, (138), 7 states have call successors, (138) [2024-11-28 03:16:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2024-11-28 03:16:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-28 03:16:11,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:11,409 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:11,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:16:11,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:16:11,610 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-28 03:16:11,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1572422178, now seen corresponding path program 1 times [2024-11-28 03:16:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940698508] [2024-11-28 03:16:11,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:11,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 54 proven. 240 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2024-11-28 03:16:11,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940698508] [2024-11-28 03:16:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940698508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204066053] [2024-11-28 03:16:11,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:11,888 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:11,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:16:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:12,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:16:12,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2024-11-28 03:16:12,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2024-11-28 03:16:12,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204066053] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:12,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:12,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-28 03:16:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868441287] [2024-11-28 03:16:12,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:12,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:16:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:12,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:16:12,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:16:12,984 INFO L87 Difference]: Start difference. First operand 99 states and 152 transitions. Second operand has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2024-11-28 03:16:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:13,715 INFO L93 Difference]: Finished difference Result 103 states and 157 transitions. [2024-11-28 03:16:13,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:16:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) Word has length 290 [2024-11-28 03:16:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:13,717 INFO L225 Difference]: With dead ends: 103 [2024-11-28 03:16:13,717 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:16:13,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:16:13,718 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 133 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:13,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 799 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:16:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:16:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:16:13,719 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 03:16:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:16:13,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2024-11-28 03:16:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:13,720 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:16:13,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.904761904761905) internal successors, (103), 23 states have internal predecessors, (103), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2024-11-28 03:16:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:16:13,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:16:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-28 03:16:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-28 03:16:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-28 03:16:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-28 03:16:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-28 03:16:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-28 03:16:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-28 03:16:13,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 03:16:13,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:16:13,927 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:13,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:16:16,281 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:16:16,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:16 BoogieIcfgContainer [2024-11-28 03:16:16,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:16:16,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:16:16,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:16:16,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:16:16,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39" (3/4) ... [2024-11-28 03:16:16,291 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:16:16,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2024-11-28 03:16:16,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 03:16:16,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:16:16,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:16:16,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:16:16,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:16:16,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:16:16,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:16:16,398 INFO L158 Benchmark]: Toolchain (without parser) took 38187.36ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.3MB in the beginning and 209.2MB in the end (delta: -115.0MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,399 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:16:16,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.59ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.98ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:16:16,400 INFO L158 Benchmark]: Boogie Preprocessor took 50.71ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,400 INFO L158 Benchmark]: RCFGBuilder took 562.15ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 60.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,400 INFO L158 Benchmark]: TraceAbstraction took 37125.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.5MB in the beginning and 217.6MB in the end (delta: -158.1MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,401 INFO L158 Benchmark]: Witness Printer took 109.23ms. Allocated memory is still 352.3MB. Free memory was 217.6MB in the beginning and 209.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:16,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.59ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.98ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.71ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 562.15ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 60.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37125.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.5MB in the beginning and 217.6MB in the end (delta: -158.1MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. * Witness Printer took 109.23ms. Allocated memory is still 352.3MB. Free memory was 217.6MB in the beginning and 209.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 111]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 111]: 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 2 procedures, 125 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 34.7s, OverallIterations: 17, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 723 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 723 mSDsluCounter, 11161 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9386 mSDsCounter, 549 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9606 IncrementalHoareTripleChecker+Invalid, 10155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 549 mSolverCounterUnsat, 1775 mSDtfsCounter, 9606 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8474 GetRequests, 8190 SyntacticMatches, 9 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 33 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 8843 NumberOfCodeBlocks, 8843 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 12840 ConstructedInterpolants, 0 QuantifiedInterpolants, 30422 SizeOfPredicates, 46 NumberOfNonLiveVariables, 8127 ConjunctsInSsa, 237 ConjunctsInUnsatCore, 48 InterpolantComputations, 2 PerfectInterpolantSequences, 216103/224832 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:16:16,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099861e7-64f7-4504-b162-fe2b81ad002c/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