./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/ps5-both-nt.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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-nla/ps5-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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 e2037e7fb54bc1934ddf0365c3305939f9896c7c31de9bde015e44320e3f3c9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:26:33,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:26:33,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:26:33,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:26:33,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:26:33,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:26:33,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:26:33,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:26:33,659 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:26:33,660 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:26:33,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:26:33,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:26:33,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:26:33,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:26:33,663 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:26:33,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:26:33,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:26:33,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:26:33,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:26:33,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:26:33,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:26:33,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:26:33,665 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:26:33,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:26:33,667 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:26:33,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:33,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:26:33,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:33,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:33,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:26:33,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:33,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:26:33,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:33,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:33,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:26:33,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:26:33,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:26:33,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:26:33,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:26:33,670 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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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 -> e2037e7fb54bc1934ddf0365c3305939f9896c7c31de9bde015e44320e3f3c9d [2024-11-27 20:26:34,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:26:34,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:26:34,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:26:34,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:26:34,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:26:34,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-nla/ps5-both-nt.c [2024-11-27 20:26:37,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/2f67e134a/0107380649e94339bb457708d95a786f/FLAGdbdf669d4 [2024-11-27 20:26:37,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:26:37,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/sv-benchmarks/c/termination-nla/ps5-both-nt.c [2024-11-27 20:26:37,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/2f67e134a/0107380649e94339bb457708d95a786f/FLAGdbdf669d4 [2024-11-27 20:26:37,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/2f67e134a/0107380649e94339bb457708d95a786f [2024-11-27 20:26:37,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:26:37,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:26:37,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:37,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:26:37,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:26:37,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:37" (1/1) ... [2024-11-27 20:26:37,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a65c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:37, skipping insertion in model container [2024-11-27 20:26:37,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:37" (1/1) ... [2024-11-27 20:26:37,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:26:38,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:38,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:26:38,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:38,098 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:26:38,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38 WrapperNode [2024-11-27 20:26:38,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:38,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:38,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:26:38,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:26:38,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,157 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-11-27 20:26:38,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:38,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:26:38,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:26:38,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:26:38,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,176 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,197 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:26:38,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:26:38,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:26:38,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:26:38,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:26:38,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (1/1) ... [2024-11-27 20:26:38,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:38,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:38,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:26:38,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:26:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:26:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:26:38,393 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:26:38,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:26:38,933 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-27 20:26:38,933 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:26:38,959 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:26:38,960 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:26:38,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:38 BoogieIcfgContainer [2024-11-27 20:26:38,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:26:38,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:26:38,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:26:38,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:26:38,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:26:37" (1/3) ... [2024-11-27 20:26:38,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e06f7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:38, skipping insertion in model container [2024-11-27 20:26:38,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:38" (2/3) ... [2024-11-27 20:26:38,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e06f7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:38, skipping insertion in model container [2024-11-27 20:26:38,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:38" (3/3) ... [2024-11-27 20:26:38,979 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-both-nt.c [2024-11-27 20:26:39,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:26:39,009 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-both-nt.c that has 1 procedures, 99 locations, 1 initial locations, 1 loop locations, and 46 error locations. [2024-11-27 20:26:39,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:26:39,127 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;@61474a75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:26:39,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-27 20:26:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-27 20:26:39,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:39,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-27 20:26:39,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:39,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-27 20:26:39,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:39,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970156764] [2024-11-27 20:26:39,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:39,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970156764] [2024-11-27 20:26:39,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970156764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:39,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:39,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:39,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986839714] [2024-11-27 20:26:39,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:39,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:39,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:39,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:39,430 INFO L87 Difference]: Start difference. First operand has 99 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:39,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:39,765 INFO L93 Difference]: Finished difference Result 103 states and 104 transitions. [2024-11-27 20:26:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:39,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2024-11-27 20:26:39,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:39,778 INFO L225 Difference]: With dead ends: 103 [2024-11-27 20:26:39,778 INFO L226 Difference]: Without dead ends: 77 [2024-11-27 20:26:39,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:39,785 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 50 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:39,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 16 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:26:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-27 20:26:39,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-27 20:26:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 76 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2024-11-27 20:26:39,838 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 3 [2024-11-27 20:26:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:39,840 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2024-11-27 20:26:39,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2024-11-27 20:26:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-27 20:26:39,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:39,842 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-27 20:26:39,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:26:39,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:39,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:39,844 INFO L85 PathProgramCache]: Analyzing trace with hash 925828, now seen corresponding path program 1 times [2024-11-27 20:26:39,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:39,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194557979] [2024-11-27 20:26:39,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:39,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:39,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194557979] [2024-11-27 20:26:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194557979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:39,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:39,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327690795] [2024-11-27 20:26:39,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:39,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:39,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:39,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:39,914 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:40,237 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2024-11-27 20:26:40,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:40,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-11-27 20:26:40,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:40,239 INFO L225 Difference]: With dead ends: 130 [2024-11-27 20:26:40,240 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:26:40,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:40,241 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 41 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:40,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 42 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:26:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:26:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2024-11-27 20:26:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 115 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2024-11-27 20:26:40,256 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 4 [2024-11-27 20:26:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:40,256 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2024-11-27 20:26:40,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2024-11-27 20:26:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-27 20:26:40,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:40,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:26:40,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:26:40,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:40,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:40,258 INFO L85 PathProgramCache]: Analyzing trace with hash 889722182, now seen corresponding path program 1 times [2024-11-27 20:26:40,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:40,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79374827] [2024-11-27 20:26:40,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:40,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957960929] [2024-11-27 20:26:40,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:40,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:40,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:40,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:26:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:40,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:26:40,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:40,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79374827] [2024-11-27 20:26:40,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:26:40,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957960929] [2024-11-27 20:26:40,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957960929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:40,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:40,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:40,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847208358] [2024-11-27 20:26:40,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:40,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:40,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:40,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:40,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:40,351 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:40,617 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2024-11-27 20:26:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:40,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-11-27 20:26:40,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:40,619 INFO L225 Difference]: With dead ends: 125 [2024-11-27 20:26:40,620 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:26:40,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:40,621 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 39 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:40,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 47 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:26:40,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:26:40,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2024-11-27 20:26:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 124 transitions. [2024-11-27 20:26:40,633 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 124 transitions. Word has length 6 [2024-11-27 20:26:40,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:40,633 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 124 transitions. [2024-11-27 20:26:40,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2024-11-27 20:26:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 20:26:40,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:40,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:40,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:40,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:40,837 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:40,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 966290884, now seen corresponding path program 1 times [2024-11-27 20:26:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:40,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905869486] [2024-11-27 20:26:40,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:40,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:40,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:40,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905869486] [2024-11-27 20:26:40,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905869486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:40,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:40,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:40,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567908871] [2024-11-27 20:26:40,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:40,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:40,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:40,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:40,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:40,996 INFO L87 Difference]: Start difference. First operand 116 states and 124 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:41,061 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2024-11-27 20:26:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:41,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-27 20:26:41,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:41,063 INFO L225 Difference]: With dead ends: 116 [2024-11-27 20:26:41,063 INFO L226 Difference]: Without dead ends: 114 [2024-11-27 20:26:41,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:41,064 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 38 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:41,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 61 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:41,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-27 20:26:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-27 20:26:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.375) internal successors, (121), 113 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2024-11-27 20:26:41,076 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 31 [2024-11-27 20:26:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:41,076 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2024-11-27 20:26:41,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2024-11-27 20:26:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-27 20:26:41,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:41,078 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:41,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:26:41,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:41,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash -109753568, now seen corresponding path program 1 times [2024-11-27 20:26:41,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739705026] [2024-11-27 20:26:41,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:41,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:41,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739705026] [2024-11-27 20:26:41,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739705026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:41,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:41,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:41,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714914214] [2024-11-27 20:26:41,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:41,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:41,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:41,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:41,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:41,191 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:41,283 INFO L93 Difference]: Finished difference Result 128 states and 133 transitions. [2024-11-27 20:26:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:41,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-27 20:26:41,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:41,287 INFO L225 Difference]: With dead ends: 128 [2024-11-27 20:26:41,287 INFO L226 Difference]: Without dead ends: 127 [2024-11-27 20:26:41,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:41,288 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 22 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:41,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 120 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-27 20:26:41,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 114. [2024-11-27 20:26:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 113 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2024-11-27 20:26:41,309 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 32 [2024-11-27 20:26:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:41,309 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2024-11-27 20:26:41,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2024-11-27 20:26:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-27 20:26:41,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:41,310 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:41,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:26:41,314 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:41,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash 892606790, now seen corresponding path program 1 times [2024-11-27 20:26:41,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:41,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891968981] [2024-11-27 20:26:41,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:41,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:41,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891968981] [2024-11-27 20:26:41,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891968981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:41,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231477721] [2024-11-27 20:26:41,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:41,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:41,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:41,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:41,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:41,497 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:42,874 INFO L93 Difference]: Finished difference Result 129 states and 132 transitions. [2024-11-27 20:26:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:42,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) Word has length 33 [2024-11-27 20:26:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:42,875 INFO L225 Difference]: With dead ends: 129 [2024-11-27 20:26:42,876 INFO L226 Difference]: Without dead ends: 127 [2024-11-27 20:26:42,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:42,877 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 84 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:42,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 70 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:26:42,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-27 20:26:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 114. [2024-11-27 20:26:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 113 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2024-11-27 20:26:42,903 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 33 [2024-11-27 20:26:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:42,903 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2024-11-27 20:26:42,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2024-11-27 20:26:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 20:26:42,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:42,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:42,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:26:42,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:42,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1901006818, now seen corresponding path program 1 times [2024-11-27 20:26:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:42,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681645330] [2024-11-27 20:26:42,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:42,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681645330] [2024-11-27 20:26:43,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681645330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:43,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:43,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:43,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691549697] [2024-11-27 20:26:43,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:43,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:43,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:43,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:43,048 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:43,480 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2024-11-27 20:26:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:43,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) Word has length 34 [2024-11-27 20:26:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:43,483 INFO L225 Difference]: With dead ends: 114 [2024-11-27 20:26:43,483 INFO L226 Difference]: Without dead ends: 112 [2024-11-27 20:26:43,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:43,484 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 75 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:43,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 27 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:26:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-27 20:26:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-27 20:26:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 111 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2024-11-27 20:26:43,495 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 34 [2024-11-27 20:26:43,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:43,495 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2024-11-27 20:26:43,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2024-11-27 20:26:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 20:26:43,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:43,497 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:43,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:26:43,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:43,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:43,498 INFO L85 PathProgramCache]: Analyzing trace with hash 298983878, now seen corresponding path program 1 times [2024-11-27 20:26:43,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:43,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451821814] [2024-11-27 20:26:43,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:43,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:43,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451821814] [2024-11-27 20:26:43,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451821814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:43,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:43,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:43,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329943098] [2024-11-27 20:26:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:43,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:43,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:43,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:43,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:43,578 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:43,604 INFO L93 Difference]: Finished difference Result 112 states and 114 transitions. [2024-11-27 20:26:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:43,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) Word has length 38 [2024-11-27 20:26:43,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:43,606 INFO L225 Difference]: With dead ends: 112 [2024-11-27 20:26:43,606 INFO L226 Difference]: Without dead ends: 111 [2024-11-27 20:26:43,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:43,607 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 33 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:43,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:26:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-27 20:26:43,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-27 20:26:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 110 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 112 transitions. [2024-11-27 20:26:43,628 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 112 transitions. Word has length 38 [2024-11-27 20:26:43,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:43,628 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 112 transitions. [2024-11-27 20:26:43,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2024-11-27 20:26:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-27 20:26:43,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:43,629 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:43,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:26:43,630 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:43,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:43,631 INFO L85 PathProgramCache]: Analyzing trace with hash 678565743, now seen corresponding path program 1 times [2024-11-27 20:26:43,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:43,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708612490] [2024-11-27 20:26:43,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:43,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:43,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708612490] [2024-11-27 20:26:43,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708612490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:43,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:43,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:43,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792722577] [2024-11-27 20:26:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:43,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:43,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:43,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:43,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:43,772 INFO L87 Difference]: Start difference. First operand 111 states and 112 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:43,790 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2024-11-27 20:26:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) Word has length 39 [2024-11-27 20:26:43,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:43,792 INFO L225 Difference]: With dead ends: 112 [2024-11-27 20:26:43,792 INFO L226 Difference]: Without dead ends: 111 [2024-11-27 20:26:43,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:43,793 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:43,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:26:43,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-27 20:26:43,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-27 20:26:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 110 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2024-11-27 20:26:43,802 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 39 [2024-11-27 20:26:43,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:43,803 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2024-11-27 20:26:43,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2024-11-27 20:26:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 20:26:43,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:43,808 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:43,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:26:43,808 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:43,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:43,809 INFO L85 PathProgramCache]: Analyzing trace with hash -371018317, now seen corresponding path program 1 times [2024-11-27 20:26:43,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:43,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723044525] [2024-11-27 20:26:43,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:43,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:43,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083054164] [2024-11-27 20:26:43,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:43,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:43,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:43,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:26:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:43,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:26:43,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:44,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:44,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:44,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723044525] [2024-11-27 20:26:44,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:26:44,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083054164] [2024-11-27 20:26:44,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083054164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:44,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:44,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:44,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822543773] [2024-11-27 20:26:44,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:44,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:44,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:44,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:44,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:44,074 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:44,447 INFO L93 Difference]: Finished difference Result 178 states and 181 transitions. [2024-11-27 20:26:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:44,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) Word has length 43 [2024-11-27 20:26:44,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:44,450 INFO L225 Difference]: With dead ends: 178 [2024-11-27 20:26:44,450 INFO L226 Difference]: Without dead ends: 160 [2024-11-27 20:26:44,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:44,451 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 47 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:44,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 44 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:26:44,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-27 20:26:44,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2024-11-27 20:26:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 157 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 163 transitions. [2024-11-27 20:26:44,473 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 163 transitions. Word has length 43 [2024-11-27 20:26:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:44,473 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 163 transitions. [2024-11-27 20:26:44,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2024-11-27 20:26:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 20:26:44,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:44,474 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:44,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:44,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:26:44,678 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:44,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:44,679 INFO L85 PathProgramCache]: Analyzing trace with hash 491864857, now seen corresponding path program 1 times [2024-11-27 20:26:44,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:44,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549895800] [2024-11-27 20:26:44,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:44,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:44,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549895800] [2024-11-27 20:26:44,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549895800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:44,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355691177] [2024-11-27 20:26:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:44,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:44,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:44,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:44,842 INFO L87 Difference]: Start difference. First operand 158 states and 163 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:45,130 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2024-11-27 20:26:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) Word has length 49 [2024-11-27 20:26:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:45,132 INFO L225 Difference]: With dead ends: 159 [2024-11-27 20:26:45,132 INFO L226 Difference]: Without dead ends: 158 [2024-11-27 20:26:45,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:45,134 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 40 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:45,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 95 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:26:45,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-27 20:26:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-27 20:26:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 135 states have (on average 1.2) internal successors, (162), 157 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2024-11-27 20:26:45,144 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 49 [2024-11-27 20:26:45,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:45,144 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2024-11-27 20:26:45,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2024-11-27 20:26:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 20:26:45,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:45,148 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:45,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:26:45,148 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:45,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:45,149 INFO L85 PathProgramCache]: Analyzing trace with hash 392845367, now seen corresponding path program 1 times [2024-11-27 20:26:45,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:45,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946667270] [2024-11-27 20:26:45,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:45,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:45,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676123329] [2024-11-27 20:26:45,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:45,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:45,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:45,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:45,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:26:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:45,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:26:45,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:45,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946667270] [2024-11-27 20:26:46,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:26:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676123329] [2024-11-27 20:26:46,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676123329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:26:46,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:46,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:26:46,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307107645] [2024-11-27 20:26:46,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:26:46,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:26:46,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:46,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:26:46,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:26:46,172 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand has 8 states, 7 states have (on average 22.428571428571427) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:46,826 INFO L93 Difference]: Finished difference Result 216 states and 219 transitions. [2024-11-27 20:26:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:26:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.428571428571427) internal successors, (157), 8 states have internal predecessors, (157), 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) Word has length 79 [2024-11-27 20:26:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:46,828 INFO L225 Difference]: With dead ends: 216 [2024-11-27 20:26:46,828 INFO L226 Difference]: Without dead ends: 211 [2024-11-27 20:26:46,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:26:46,829 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 95 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:46,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 104 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:26:46,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-27 20:26:46,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 196. [2024-11-27 20:26:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 173 states have (on average 1.23121387283237) internal successors, (213), 195 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2024-11-27 20:26:46,839 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 79 [2024-11-27 20:26:46,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:46,839 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2024-11-27 20:26:46,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.428571428571427) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2024-11-27 20:26:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-27 20:26:46,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:46,840 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:46,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:47,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:26:47,045 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:47,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:47,046 INFO L85 PathProgramCache]: Analyzing trace with hash -706695409, now seen corresponding path program 1 times [2024-11-27 20:26:47,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:47,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290267586] [2024-11-27 20:26:47,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:47,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112440341] [2024-11-27 20:26:47,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:47,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:47,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:47,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:26:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:47,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:26:47,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:47,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:55,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290267586] [2024-11-27 20:26:55,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:26:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112440341] [2024-11-27 20:26:55,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112440341] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:26:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-27 20:26:55,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051895492] [2024-11-27 20:26:55,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:55,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:55,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:55,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:55,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:26:55,540 INFO L87 Difference]: Start difference. First operand 196 states and 213 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:56,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:56,765 INFO L93 Difference]: Finished difference Result 196 states and 213 transitions. [2024-11-27 20:26:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:56,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 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) Word has length 80 [2024-11-27 20:26:56,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:56,767 INFO L225 Difference]: With dead ends: 196 [2024-11-27 20:26:56,767 INFO L226 Difference]: Without dead ends: 195 [2024-11-27 20:26:56,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:26:56,768 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:56,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 11 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:26:56,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-27 20:26:56,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-27 20:26:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 173 states have (on average 1.2196531791907514) internal successors, (211), 194 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 211 transitions. [2024-11-27 20:26:56,779 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 211 transitions. Word has length 80 [2024-11-27 20:26:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:56,780 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 211 transitions. [2024-11-27 20:26:56,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 211 transitions. [2024-11-27 20:26:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 20:26:56,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:56,781 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:56,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:26:56,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:26:56,982 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:56,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:56,983 INFO L85 PathProgramCache]: Analyzing trace with hash -529451951, now seen corresponding path program 1 times [2024-11-27 20:26:56,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:56,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015584228] [2024-11-27 20:26:56,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:56,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:57,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173267444] [2024-11-27 20:26:57,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:57,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:57,029 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:57,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:26:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:57,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:26:57,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:57,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:57,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015584228] [2024-11-27 20:26:57,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:26:57,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173267444] [2024-11-27 20:26:57,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173267444] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:57,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:26:57,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-27 20:26:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199329002] [2024-11-27 20:26:57,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:57,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:57,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:57,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:57,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:26:57,963 INFO L87 Difference]: Start difference. First operand 195 states and 211 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:58,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:58,828 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2024-11-27 20:26:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:58,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) Word has length 82 [2024-11-27 20:26:58,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:58,830 INFO L225 Difference]: With dead ends: 195 [2024-11-27 20:26:58,830 INFO L226 Difference]: Without dead ends: 194 [2024-11-27 20:26:58,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:26:58,831 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:58,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 10 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:26:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-27 20:26:58,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-27 20:26:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 173 states have (on average 1.2080924855491328) internal successors, (209), 193 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 209 transitions. [2024-11-27 20:26:58,851 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 209 transitions. Word has length 82 [2024-11-27 20:26:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:58,852 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 209 transitions. [2024-11-27 20:26:58,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 209 transitions. [2024-11-27 20:26:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 20:26:58,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:58,857 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:58,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:26:59,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 20:26:59,058 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:59,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 559903352, now seen corresponding path program 1 times [2024-11-27 20:26:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:59,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725639868] [2024-11-27 20:26:59,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:59,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:59,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:59,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725639868] [2024-11-27 20:26:59,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725639868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:59,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087985234] [2024-11-27 20:26:59,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:59,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:59,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:59,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:26:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:59,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:26:59,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:59,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087985234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:26:59,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:26:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 20:26:59,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145565278] [2024-11-27 20:26:59,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:26:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:59,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:59,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:59,687 INFO L87 Difference]: Start difference. First operand 194 states and 209 transitions. Second operand has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:59,728 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2024-11-27 20:26:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:59,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 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) Word has length 86 [2024-11-27 20:26:59,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:59,730 INFO L225 Difference]: With dead ends: 283 [2024-11-27 20:26:59,730 INFO L226 Difference]: Without dead ends: 282 [2024-11-27 20:26:59,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:59,731 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 58 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:59,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 310 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:26:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-27 20:26:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 248. [2024-11-27 20:26:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 227 states have (on average 1.2422907488986785) internal successors, (282), 247 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 282 transitions. [2024-11-27 20:26:59,753 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 282 transitions. Word has length 86 [2024-11-27 20:26:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:59,753 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 282 transitions. [2024-11-27 20:26:59,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 282 transitions. [2024-11-27 20:26:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 20:26:59,756 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:59,756 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:26:59,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:26:59,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:26:59,957 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:26:59,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash 23395236, now seen corresponding path program 1 times [2024-11-27 20:26:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:59,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047536400] [2024-11-27 20:26:59,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:27:00,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:00,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047536400] [2024-11-27 20:27:00,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047536400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:00,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:00,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:27:00,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122481273] [2024-11-27 20:27:00,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:00,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:27:00,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:00,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:27:00,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:27:00,099 INFO L87 Difference]: Start difference. First operand 248 states and 282 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:00,222 INFO L93 Difference]: Finished difference Result 248 states and 282 transitions. [2024-11-27 20:27:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:27:00,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) Word has length 98 [2024-11-27 20:27:00,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:00,224 INFO L225 Difference]: With dead ends: 248 [2024-11-27 20:27:00,224 INFO L226 Difference]: Without dead ends: 244 [2024-11-27 20:27:00,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:27:00,225 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:00,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 9 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:27:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-27 20:27:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-27 20:27:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 227 states have (on average 1.1938325991189427) internal successors, (271), 243 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 271 transitions. [2024-11-27 20:27:00,240 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 271 transitions. Word has length 98 [2024-11-27 20:27:00,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:00,241 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 271 transitions. [2024-11-27 20:27:00,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 271 transitions. [2024-11-27 20:27:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 20:27:00,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:00,242 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:27:00,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:27:00,246 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:27:00,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:00,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1007986790, now seen corresponding path program 1 times [2024-11-27 20:27:00,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:00,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896179475] [2024-11-27 20:27:00,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:00,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:27:00,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786270926] [2024-11-27 20:27:00,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:00,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:00,282 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:00,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:27:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:00,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:27:00,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:00,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:00,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:00,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896179475] [2024-11-27 20:27:00,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:27:00,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786270926] [2024-11-27 20:27:00,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786270926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:27:00,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:00,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:27:00,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371760336] [2024-11-27 20:27:00,959 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:27:00,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:27:00,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:00,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:27:00,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:27:00,963 INFO L87 Difference]: Start difference. First operand 244 states and 271 transitions. Second operand has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:01,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:01,456 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2024-11-27 20:27:01,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:27:01,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 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) Word has length 100 [2024-11-27 20:27:01,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:01,458 INFO L225 Difference]: With dead ends: 254 [2024-11-27 20:27:01,459 INFO L226 Difference]: Without dead ends: 242 [2024-11-27 20:27:01,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:27:01,460 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 84 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:01,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 49 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:27:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-27 20:27:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-27 20:27:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 227 states have (on average 1.1277533039647578) internal successors, (256), 241 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 256 transitions. [2024-11-27 20:27:01,474 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 256 transitions. Word has length 100 [2024-11-27 20:27:01,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:01,475 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 256 transitions. [2024-11-27 20:27:01,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 256 transitions. [2024-11-27 20:27:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-27 20:27:01,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:01,477 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:27:01,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:27:01,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 20:27:01,682 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:27:01,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:01,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1955483061, now seen corresponding path program 1 times [2024-11-27 20:27:01,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:01,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482175192] [2024-11-27 20:27:01,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:01,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:27:01,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919469773] [2024-11-27 20:27:01,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:01,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:01,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:01,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:01,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:27:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:01,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:27:01,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:02,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:03,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:03,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482175192] [2024-11-27 20:27:03,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:27:03,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919469773] [2024-11-27 20:27:03,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919469773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:27:03,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:03,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:27:03,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355159606] [2024-11-27 20:27:03,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:27:03,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:27:03,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:03,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:27:03,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:27:03,763 INFO L87 Difference]: Start difference. First operand 242 states and 256 transitions. Second operand has 10 states, 9 states have (on average 30.77777777777778) internal successors, (277), 10 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:04,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:04,251 INFO L93 Difference]: Finished difference Result 257 states and 266 transitions. [2024-11-27 20:27:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:27:04,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 30.77777777777778) internal successors, (277), 10 states have internal predecessors, (277), 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) Word has length 139 [2024-11-27 20:27:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:04,254 INFO L225 Difference]: With dead ends: 257 [2024-11-27 20:27:04,254 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 20:27:04,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:27:04,255 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 60 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:04,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 29 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:27:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 20:27:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 241. [2024-11-27 20:27:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 227 states have (on average 1.092511013215859) internal successors, (248), 240 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 248 transitions. [2024-11-27 20:27:04,275 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 248 transitions. Word has length 139 [2024-11-27 20:27:04,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:04,275 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 248 transitions. [2024-11-27 20:27:04,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 30.77777777777778) internal successors, (277), 10 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 248 transitions. [2024-11-27 20:27:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:27:04,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:04,278 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-27 20:27:04,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:27:04,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:27:04,479 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:27:04,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1976449833, now seen corresponding path program 1 times [2024-11-27 20:27:04,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:04,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567317827] [2024-11-27 20:27:04,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:04,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:27:04,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569682981] [2024-11-27 20:27:04,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:04,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:04,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:04,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:04,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:27:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:04,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:27:04,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:04,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:05,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567317827] [2024-11-27 20:27:05,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:27:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569682981] [2024-11-27 20:27:05,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569682981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:27:05,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:05,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:27:05,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673906910] [2024-11-27 20:27:05,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:27:05,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:27:05,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:05,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:27:05,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:27:05,534 INFO L87 Difference]: Start difference. First operand 241 states and 248 transitions. Second operand has 10 states, 9 states have (on average 31.22222222222222) internal successors, (281), 10 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:06,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:06,230 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2024-11-27 20:27:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:27:06,230 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 31.22222222222222) internal successors, (281), 10 states have internal predecessors, (281), 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) Word has length 141 [2024-11-27 20:27:06,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:06,232 INFO L225 Difference]: With dead ends: 262 [2024-11-27 20:27:06,232 INFO L226 Difference]: Without dead ends: 254 [2024-11-27 20:27:06,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:27:06,234 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 115 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:06,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 81 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:27:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-27 20:27:06,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2024-11-27 20:27:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 227 states have (on average 1.0440528634361232) internal successors, (237), 234 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 237 transitions. [2024-11-27 20:27:06,248 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 237 transitions. Word has length 141 [2024-11-27 20:27:06,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:06,248 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 237 transitions. [2024-11-27 20:27:06,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 31.22222222222222) internal successors, (281), 10 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 237 transitions. [2024-11-27 20:27:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-27 20:27:06,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:06,251 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-27 20:27:06,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:27:06,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:06,452 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:27:06,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:06,452 INFO L85 PathProgramCache]: Analyzing trace with hash -992740359, now seen corresponding path program 1 times [2024-11-27 20:27:06,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:06,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698801981] [2024-11-27 20:27:06,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:06,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:27:06,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059657020] [2024-11-27 20:27:06,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:06,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:06,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:06,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:06,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:27:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:06,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:27:06,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:06,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:15,073 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-27 20:28:54,131 WARN L286 SmtUtils]: Spent 14.34s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:30:49,190 WARN L286 SmtUtils]: Spent 12.22s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:36:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 86 not checked. [2024-11-27 20:36:40,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698801981] [2024-11-27 20:36:40,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:36:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059657020] [2024-11-27 20:36:40,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059657020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:36:40,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:36:40,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-27 20:36:40,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55879240] [2024-11-27 20:36:40,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:36:40,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:36:40,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:40,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:36:40,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=74, Unknown=3, NotChecked=18, Total=132 [2024-11-27 20:36:40,362 INFO L87 Difference]: Start difference. First operand 235 states and 237 transitions. Second operand has 12 states, 11 states have (on average 25.90909090909091) internal successors, (285), 12 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:36:45,005 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) (.cse9 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse8 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (* .cse8 6)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| 4)) (.cse3 (* 4 .cse9)) (.cse7 (not (= (mod (+ .cse4 .cse5 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse6) 30) 0))) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (< (+ .cse0 |c_ULTIMATE.start_main_~x~0#1| .cse1 .cse2 .cse3) 2147483647) (or (< (+ .cse0 .cse1 .cse2 .cse3 (div (+ .cse4 .cse5 .cse6 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) .cse7) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse2) 2147483647) (or .cse7 (< (+ (* .cse8 84) .cse2 (* 12 .cse9) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| 719) .cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 370) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 75)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 120)) 2147483550))))) is different from false [2024-11-27 20:36:49,013 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse6 (not (= (mod (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse5) 30) 0))) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse3 .cse4 .cse5 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) .cse6) (or .cse6 (< (+ (* .cse0 84) .cse1 (* 12 .cse2) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| 719) .cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 370) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 75)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 120)) 2147483550))))) is different from false [2024-11-27 20:36:57,163 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse6 (not (= (mod (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse5) 30) 0)))) (and (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse3 .cse4 .cse5 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) .cse6) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse1) 2147483647) (or (< (+ (* .cse0 30) .cse1 (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 45) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 130) .cse5 (* |c_ULTIMATE.start_main_~y~0#1| 119)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 32) (* 8 .cse2)) 2147483631) .cse6)))) is different from false [2024-11-27 20:37:01,169 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse6 (not (= (mod (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse5) 30) 0)))) (and (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse3 .cse4 .cse5 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) .cse6) (or (< (+ (* .cse0 30) .cse1 (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 45) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 130) .cse5 (* |c_ULTIMATE.start_main_~y~0#1| 119)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 32) (* 8 .cse2)) 2147483631) .cse6)))) is different from false [2024-11-27 20:37:12,009 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 44 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:37:16,031 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse0 (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse1 .cse2 .cse3 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) (not (= (mod (+ .cse1 .cse2 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse3) 30) 0)))) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse0) 2147483647))) is different from false [2024-11-27 20:37:21,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:25,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:29,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:31,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:35,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:39,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:43,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:37:55,509 WARN L286 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 47 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:37:55,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:37:55,644 INFO L93 Difference]: Finished difference Result 334 states and 349 transitions. [2024-11-27 20:37:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 20:37:55,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 25.90909090909091) internal successors, (285), 12 states have internal predecessors, (285), 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) Word has length 143 [2024-11-27 20:37:55,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:37:55,646 INFO L225 Difference]: With dead ends: 334 [2024-11-27 20:37:55,646 INFO L226 Difference]: Without dead ends: 333 [2024-11-27 20:37:55,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 274 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 81.1s TimeCoverageRelationStatistics Valid=117, Invalid=241, Unknown=8, NotChecked=234, Total=600 [2024-11-27 20:37:55,647 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 103 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 1338 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:37:55,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 66 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 756 Invalid, 5 Unknown, 1338 Unchecked, 28.0s Time] [2024-11-27 20:37:55,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-27 20:37:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 234. [2024-11-27 20:37:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 227 states have (on average 1.0352422907488987) internal successors, (235), 233 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:37:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2024-11-27 20:37:55,662 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 143 [2024-11-27 20:37:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:37:55,663 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2024-11-27 20:37:55,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 25.90909090909091) internal successors, (285), 12 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:37:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2024-11-27 20:37:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:37:55,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:37:55,665 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-27 20:37:55,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:37:55,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:37:55,866 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:37:55,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:37:55,866 INFO L85 PathProgramCache]: Analyzing trace with hash -888518377, now seen corresponding path program 2 times [2024-11-27 20:37:55,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:37:55,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068190238] [2024-11-27 20:37:55,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:37:55,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:37:55,898 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:37:55,898 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:37:55,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248138101] [2024-11-27 20:37:55,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:37:55,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:37:55,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:37:55,902 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:37:55,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:37:55,996 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:37:55,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:37:55,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:37:56,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:37:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:37:57,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:37:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:37:58,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:37:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068190238] [2024-11-27 20:37:58,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:37:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248138101] [2024-11-27 20:37:58,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248138101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:37:58,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:37:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-27 20:37:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826716339] [2024-11-27 20:37:58,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:37:58,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 20:37:58,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:37:58,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 20:37:58,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:37:58,205 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand has 16 states, 15 states have (on average 23.0) internal successors, (345), 16 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:14,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-27 20:38:14,539 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-27 20:38:14,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:38:14,541 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 168 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:38:14,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 23 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:38:14,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:38:14,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:14,743 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:388) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:447) at java.base/java.io.OutputStream.write(OutputStream.java:167) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:125) at java.base/java.io.BufferedOutputStream.implFlush(BufferedOutputStream.java:252) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:246) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:412) at java.base/sun.nio.cs.StreamEncoder.lockedFlush(StreamEncoder.java:214) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:201) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:262) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:372) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-27 20:38:14,749 INFO L158 Benchmark]: Toolchain (without parser) took 696975.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.3MB in the beginning and 78.0MB in the end (delta: 15.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-27 20:38:14,751 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:38:14,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.01ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:38:14,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.27ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:38:14,752 INFO L158 Benchmark]: Boogie Preprocessor took 64.76ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 987.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:38:14,753 INFO L158 Benchmark]: RCFGBuilder took 737.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 62.0MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:38:14,753 INFO L158 Benchmark]: TraceAbstraction took 695783.85ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 61.6MB in the beginning and 78.0MB in the end (delta: -16.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-27 20:38:14,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.01ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.27ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.76ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 987.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 737.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 62.0MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 695783.85ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 61.6MB in the beginning and 78.0MB in the end (delta: -16.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-nla/ps5-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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 e2037e7fb54bc1934ddf0365c3305939f9896c7c31de9bde015e44320e3f3c9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:38:17,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:38:17,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-27 20:38:17,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:38:17,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:38:17,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:38:17,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:38:17,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:38:17,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:38:17,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:38:17,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:38:17,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:38:17,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:38:17,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:38:17,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:38:17,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:38:17,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:38:17,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:38:17,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:38:17,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:38:17,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:38:17,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:38:17,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:38:17,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:38:17,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:38:17,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:38:17,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:38:17,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:38:17,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:38:17,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:38:17,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:38:17,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:38:17,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:38:17,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:38:17,847 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_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/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 -> e2037e7fb54bc1934ddf0365c3305939f9896c7c31de9bde015e44320e3f3c9d [2024-11-27 20:38:18,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:38:18,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:38:18,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:38:18,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:38:18,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:38:18,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-nla/ps5-both-nt.c [2024-11-27 20:38:21,646 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/00208fe19/12ccd01dcae3413c85e2ecfe07136696/FLAG5d7c57d83 [2024-11-27 20:38:21,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:38:21,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/sv-benchmarks/c/termination-nla/ps5-both-nt.c [2024-11-27 20:38:21,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/00208fe19/12ccd01dcae3413c85e2ecfe07136696/FLAG5d7c57d83 [2024-11-27 20:38:21,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/data/00208fe19/12ccd01dcae3413c85e2ecfe07136696 [2024-11-27 20:38:21,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:38:21,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:38:21,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:38:21,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:38:21,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:38:21,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:38:21" (1/1) ... [2024-11-27 20:38:21,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d608662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:21, skipping insertion in model container [2024-11-27 20:38:21,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:38:21" (1/1) ... [2024-11-27 20:38:21,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:38:22,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:38:22,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:38:22,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:38:22,286 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:38:22,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22 WrapperNode [2024-11-27 20:38:22,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:38:22,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:38:22,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:38:22,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:38:22,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,338 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2024-11-27 20:38:22,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:38:22,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:38:22,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:38:22,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:38:22,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,378 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:38:22,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:38:22,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:38:22,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:38:22,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:38:22,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (1/1) ... [2024-11-27 20:38:22,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:38:22,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:22,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:38:22,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:38:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:38:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:38:22,559 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:38:22,562 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:38:30,750 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-27 20:38:30,751 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:38:30,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:38:30,774 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:38:30,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:38:30 BoogieIcfgContainer [2024-11-27 20:38:30,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:38:30,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:38:30,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:38:30,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:38:30,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:38:21" (1/3) ... [2024-11-27 20:38:30,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453bacb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:38:30, skipping insertion in model container [2024-11-27 20:38:30,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:38:22" (2/3) ... [2024-11-27 20:38:30,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453bacb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:38:30, skipping insertion in model container [2024-11-27 20:38:30,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:38:30" (3/3) ... [2024-11-27 20:38:30,791 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-both-nt.c [2024-11-27 20:38:30,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:38:30,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-both-nt.c that has 1 procedures, 99 locations, 1 initial locations, 1 loop locations, and 46 error locations. [2024-11-27 20:38:30,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:38:30,924 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;@6141b08d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:38:30,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-27 20:38:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-27 20:38:30,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:38:30,938 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-27 20:38:30,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:38:30,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:38:30,945 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-27 20:38:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:38:30,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440485505] [2024-11-27 20:38:30,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:38:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:30,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:38:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:38:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:38:31,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:38:31,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:38:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:38:31,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:38:31,064 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:38:31,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440485505] [2024-11-27 20:38:31,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440485505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:38:31,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:38:31,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:38:31,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785661004] [2024-11-27 20:38:31,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:38:31,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:38:31,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:38:31,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:38:31,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:31,106 INFO L87 Difference]: Start difference. First operand has 99 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:34,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:38:40,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:38:40,426 INFO L93 Difference]: Finished difference Result 177 states and 184 transitions. [2024-11-27 20:38:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:38:40,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2024-11-27 20:38:40,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:38:40,437 INFO L225 Difference]: With dead ends: 177 [2024-11-27 20:38:40,438 INFO L226 Difference]: Without dead ends: 135 [2024-11-27 20:38:40,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:40,444 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 41 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:38:40,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 70 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-11-27 20:38:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-27 20:38:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 132. [2024-11-27 20:38:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 88 states have (on average 1.5454545454545454) internal successors, (136), 131 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 136 transitions. [2024-11-27 20:38:40,506 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 136 transitions. Word has length 3 [2024-11-27 20:38:40,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:38:40,506 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 136 transitions. [2024-11-27 20:38:40,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2024-11-27 20:38:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 20:38:40,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:38:40,509 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:38:40,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:38:40,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:40,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:38:40,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:38:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 966290884, now seen corresponding path program 1 times [2024-11-27 20:38:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:38:40,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470007553] [2024-11-27 20:38:40,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:38:40,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:40,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:38:40,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:38:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:38:41,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:38:41,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:38:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:38:41,285 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:38:41,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:38:41,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470007553] [2024-11-27 20:38:41,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470007553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:38:41,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:38:41,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:38:41,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248033529] [2024-11-27 20:38:41,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:38:41,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:38:41,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:38:41,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:38:41,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:41,291 INFO L87 Difference]: Start difference. First operand 132 states and 136 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:42,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:38:42,686 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2024-11-27 20:38:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:38:42,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-27 20:38:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:38:42,693 INFO L225 Difference]: With dead ends: 152 [2024-11-27 20:38:42,693 INFO L226 Difference]: Without dead ends: 147 [2024-11-27 20:38:42,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:42,694 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 25 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:38:42,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 159 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:38:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-27 20:38:42,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 140. [2024-11-27 20:38:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 96 states have (on average 1.53125) internal successors, (147), 139 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 147 transitions. [2024-11-27 20:38:42,707 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 147 transitions. Word has length 31 [2024-11-27 20:38:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:38:42,708 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 147 transitions. [2024-11-27 20:38:42,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2024-11-27 20:38:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-27 20:38:42,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:38:42,709 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:38:42,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:38:42,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:42,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:38:42,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:38:42,911 INFO L85 PathProgramCache]: Analyzing trace with hash 678565743, now seen corresponding path program 1 times [2024-11-27 20:38:42,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:38:42,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342834072] [2024-11-27 20:38:42,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:38:42,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:42,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:42,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:38:42,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:38:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:38:43,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:38:43,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:38:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:38:43,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:38:43,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:38:43,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342834072] [2024-11-27 20:38:43,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342834072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:38:43,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:38:43,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:38:43,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198825534] [2024-11-27 20:38:43,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:38:43,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:38:43,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:38:43,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:38:43,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:43,620 INFO L87 Difference]: Start difference. First operand 140 states and 147 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:43,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:38:43,655 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2024-11-27 20:38:43,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:38:43,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) Word has length 39 [2024-11-27 20:38:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:38:43,657 INFO L225 Difference]: With dead ends: 141 [2024-11-27 20:38:43,657 INFO L226 Difference]: Without dead ends: 140 [2024-11-27 20:38:43,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:38:43,661 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:38:43,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:38:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-27 20:38:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-27 20:38:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 96 states have (on average 1.5208333333333333) internal successors, (146), 139 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 146 transitions. [2024-11-27 20:38:43,681 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 146 transitions. Word has length 39 [2024-11-27 20:38:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:38:43,686 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 146 transitions. [2024-11-27 20:38:43,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 146 transitions. [2024-11-27 20:38:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 20:38:43,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:38:43,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:38:43,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:38:43,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:43,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:38:43,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:38:43,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1258894326, now seen corresponding path program 1 times [2024-11-27 20:38:43,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:38:43,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047911728] [2024-11-27 20:38:43,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:38:43,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:43,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:43,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:38:43,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:38:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:38:44,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:38:44,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:38:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:38:44,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:38:44,589 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:38:44,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047911728] [2024-11-27 20:38:44,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047911728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:38:44,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:38:44,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:38:44,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898376127] [2024-11-27 20:38:44,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:38:44,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:38:44,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:38:44,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:38:44,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:38:44,591 INFO L87 Difference]: Start difference. First operand 140 states and 146 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:49,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:38:51,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:38:55,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:38:55,816 INFO L93 Difference]: Finished difference Result 220 states and 221 transitions. [2024-11-27 20:38:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:38:55,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) Word has length 42 [2024-11-27 20:38:55,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:38:55,818 INFO L225 Difference]: With dead ends: 220 [2024-11-27 20:38:55,818 INFO L226 Difference]: Without dead ends: 182 [2024-11-27 20:38:55,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:38:55,819 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 49 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:38:55,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 69 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-27 20:38:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-27 20:38:55,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2024-11-27 20:38:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 135 states have (on average 1.3555555555555556) internal successors, (183), 178 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2024-11-27 20:38:55,834 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 42 [2024-11-27 20:38:55,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:38:55,835 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2024-11-27 20:38:55,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:38:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2024-11-27 20:38:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 20:38:55,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:38:55,837 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:38:55,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:38:56,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:56,038 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:38:56,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:38:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1121051085, now seen corresponding path program 1 times [2024-11-27 20:38:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:38:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802264384] [2024-11-27 20:38:56,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:38:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:38:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:38:56,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:38:56,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:38:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:38:56,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:38:56,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:38:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:38:57,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:39:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:39:05,841 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:39:05,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802264384] [2024-11-27 20:39:05,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802264384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:39:05,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:39:05,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:39:05,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999505424] [2024-11-27 20:39:05,842 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:39:05,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:39:05,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:39:05,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:39:05,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:39:05,845 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand has 8 states, 7 states have (on average 22.142857142857142) internal successors, (155), 8 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:15,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:39:18,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:39:20,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:39:42,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:39:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:39:43,977 INFO L93 Difference]: Finished difference Result 256 states and 257 transitions. [2024-11-27 20:39:43,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:39:43,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.142857142857142) internal successors, (155), 8 states have internal predecessors, (155), 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) Word has length 78 [2024-11-27 20:39:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:39:43,980 INFO L225 Difference]: With dead ends: 256 [2024-11-27 20:39:43,980 INFO L226 Difference]: Without dead ends: 251 [2024-11-27 20:39:43,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:39:43,981 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 119 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:39:43,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 150 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 520 Invalid, 1 Unknown, 0 Unchecked, 36.9s Time] [2024-11-27 20:39:43,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-27 20:39:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 216. [2024-11-27 20:39:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 172 states have (on average 1.4593023255813953) internal successors, (251), 215 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 251 transitions. [2024-11-27 20:39:44,002 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 251 transitions. Word has length 78 [2024-11-27 20:39:44,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:39:44,003 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 251 transitions. [2024-11-27 20:39:44,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.142857142857142) internal successors, (155), 8 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 251 transitions. [2024-11-27 20:39:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 20:39:44,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:39:44,005 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:39:44,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:39:44,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:39:44,206 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:39:44,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:39:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash 559903352, now seen corresponding path program 1 times [2024-11-27 20:39:44,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:39:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561465889] [2024-11-27 20:39:44,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:39:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:39:44,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:39:44,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:39:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:39:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:39:44,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:39:44,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:39:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:39:45,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:39:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:39:46,026 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:39:46,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561465889] [2024-11-27 20:39:46,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561465889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:39:46,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:39:46,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-27 20:39:46,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934059771] [2024-11-27 20:39:46,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:39:46,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:39:46,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:39:46,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:39:46,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:39:46,028 INFO L87 Difference]: Start difference. First operand 216 states and 251 transitions. Second operand has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:39:46,133 INFO L93 Difference]: Finished difference Result 354 states and 356 transitions. [2024-11-27 20:39:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:39:46,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 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) Word has length 86 [2024-11-27 20:39:46,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:39:46,137 INFO L225 Difference]: With dead ends: 354 [2024-11-27 20:39:46,137 INFO L226 Difference]: Without dead ends: 353 [2024-11-27 20:39:46,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:39:46,138 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 131 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:39:46,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 480 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:39:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-27 20:39:46,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 271. [2024-11-27 20:39:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 227 states have (on average 1.5550660792951543) internal successors, (353), 270 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 353 transitions. [2024-11-27 20:39:46,168 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 353 transitions. Word has length 86 [2024-11-27 20:39:46,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:39:46,168 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 353 transitions. [2024-11-27 20:39:46,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:39:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 353 transitions. [2024-11-27 20:39:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-27 20:39:46,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:39:46,175 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:39:46,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:39:46,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:39:46,376 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:39:46,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:39:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1572099999, now seen corresponding path program 1 times [2024-11-27 20:39:46,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:39:46,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457033703] [2024-11-27 20:39:46,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:39:46,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:39:46,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:39:46,379 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:39:46,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9318edb-ee39-4c95-9a7f-50dfd0a8fb96/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:39:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:39:47,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:39:47,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:39:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:39:47,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:39:52,408 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) |c_ULTIMATE.start_main_~y~0#1|))) (bvmul .cse0 .cse0))) is different from true [2024-11-27 20:40:00,004 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~y~0#1|)))) (bvmul .cse0 .cse0))) is different from true