./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/ps4-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_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/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_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-nla/ps4-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/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_344dd581-45fc-4d28-9bbd-ab76e9fc222c/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 63d6964a27a2633defbf4fad0bc200de1e673192bcaa510a6d3539fb9cbd17cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:07:33,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:07:33,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:07:33,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:07:33,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:07:33,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:07:33,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:07:33,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:07:33,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:07:33,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:07:33,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:07:33,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:07:33,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:07:33,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:07:33,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:07:33,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:07:33,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:07:33,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:07:33,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:07:33,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:07:33,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:07:33,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:07:33,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:07:33,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:07:33,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:07:33,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:33,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:07:33,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:07:33,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:07:33,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:07:33,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:33,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:07:33,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:07:33,630 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:07:33,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:07:33,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:07:33,631 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_344dd581-45fc-4d28-9bbd-ab76e9fc222c/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 -> 63d6964a27a2633defbf4fad0bc200de1e673192bcaa510a6d3539fb9cbd17cb [2024-11-27 20:07:33,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:07:34,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:07:34,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:07:34,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:07:34,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:07:34,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-nla/ps4-both-nt.c [2024-11-27 20:07:37,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/data/d6ae3eac6/10c9c97a571945cca2ed5dc725d35764/FLAG804d3d761 [2024-11-27 20:07:37,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:07:37,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/sv-benchmarks/c/termination-nla/ps4-both-nt.c [2024-11-27 20:07:37,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/data/d6ae3eac6/10c9c97a571945cca2ed5dc725d35764/FLAG804d3d761 [2024-11-27 20:07:37,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/data/d6ae3eac6/10c9c97a571945cca2ed5dc725d35764 [2024-11-27 20:07:37,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:07:37,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:07:37,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:07:37,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:07:38,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:07:38,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:07:37" (1/1) ... [2024-11-27 20:07:38,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d9f5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38, skipping insertion in model container [2024-11-27 20:07:38,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:07:37" (1/1) ... [2024-11-27 20:07:38,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:07:38,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:07:38,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:07:38,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:07:38,287 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:07:38,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38 WrapperNode [2024-11-27 20:07:38,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:07:38,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:07:38,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:07:38,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:07:38,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,336 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-27 20:07:38,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:07:38,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:07:38,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:07:38,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:07:38,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,367 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:07:38,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:07:38,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:07:38,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:07:38,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:07:38,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (1/1) ... [2024-11-27 20:07:38,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:38,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:38,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:07:38,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:07:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:07:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:07:38,543 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:07:38,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:07:38,926 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-27 20:07:38,926 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:07:38,941 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:07:38,941 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:07:38,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:38 BoogieIcfgContainer [2024-11-27 20:07:38,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:07:38,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:07:38,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:07:38,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:07:38,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:07:37" (1/3) ... [2024-11-27 20:07:38,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446269d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:38, skipping insertion in model container [2024-11-27 20:07:38,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:38" (2/3) ... [2024-11-27 20:07:38,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446269d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:38, skipping insertion in model container [2024-11-27 20:07:38,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:38" (3/3) ... [2024-11-27 20:07:38,960 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-both-nt.c [2024-11-27 20:07:38,987 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:07:38,989 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-both-nt.c that has 1 procedures, 71 locations, 1 initial locations, 1 loop locations, and 32 error locations. [2024-11-27 20:07:39,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:07:39,099 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;@333d8200, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:07:39,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-27 20:07:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 70 states have internal predecessors, (73), 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 20:07:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-27 20:07:39,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:39,112 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-27 20:07:39,112 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:39,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:39,121 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-27 20:07:39,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:39,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513965353] [2024-11-27 20:07:39,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:39,318 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 20:07:39,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:39,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513965353] [2024-11-27 20:07:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513965353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:39,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:39,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:39,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228591141] [2024-11-27 20:07:39,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:39,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:39,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:39,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:39,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:39,364 INFO L87 Difference]: Start difference. First operand has 71 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 70 states have internal predecessors, (73), 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 20:07:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:39,569 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2024-11-27 20:07:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:39,572 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 20:07:39,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:39,582 INFO L225 Difference]: With dead ends: 109 [2024-11-27 20:07:39,583 INFO L226 Difference]: Without dead ends: 95 [2024-11-27 20:07:39,586 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 20:07:39,592 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 49 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:39,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 72 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:39,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-27 20:07:39,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 63. [2024-11-27 20:07:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.75) internal successors, (63), 62 states have internal predecessors, (63), 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 20:07:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2024-11-27 20:07:39,651 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 3 [2024-11-27 20:07:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:39,651 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2024-11-27 20:07:39,651 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 20:07:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2024-11-27 20:07:39,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-27 20:07:39,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:39,652 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-27 20:07:39,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:07:39,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:39,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash 925828, now seen corresponding path program 1 times [2024-11-27 20:07:39,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:39,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542200258] [2024-11-27 20:07:39,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:39,710 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 20:07:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:39,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542200258] [2024-11-27 20:07:39,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542200258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:39,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:39,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:39,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408191016] [2024-11-27 20:07:39,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:39,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:39,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:39,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:39,713 INFO L87 Difference]: Start difference. First operand 63 states and 63 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 20:07:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:39,854 INFO L93 Difference]: Finished difference Result 116 states and 121 transitions. [2024-11-27 20:07:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:39,858 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 20:07:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:39,860 INFO L225 Difference]: With dead ends: 116 [2024-11-27 20:07:39,860 INFO L226 Difference]: Without dead ends: 112 [2024-11-27 20:07:39,860 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 20:07:39,861 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 48 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:39,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:07:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-27 20:07:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 84. [2024-11-27 20:07:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.7017543859649122) internal successors, (97), 83 states have internal predecessors, (97), 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 20:07:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 97 transitions. [2024-11-27 20:07:39,881 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 97 transitions. Word has length 4 [2024-11-27 20:07:39,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:39,882 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 97 transitions. [2024-11-27 20:07:39,884 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 20:07:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2024-11-27 20:07:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-27 20:07:39,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:39,885 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:07:39,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:07:39,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash 889722182, now seen corresponding path program 1 times [2024-11-27 20:07:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:39,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054996824] [2024-11-27 20:07:39,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:39,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043384930] [2024-11-27 20:07:39,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:39,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:39,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:07:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:39,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:07:39,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:39,991 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 20:07:39,991 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:39,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054996824] [2024-11-27 20:07:39,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:39,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043384930] [2024-11-27 20:07:39,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043384930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:39,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:39,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:39,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776243506] [2024-11-27 20:07:39,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:39,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:39,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:39,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:39,995 INFO L87 Difference]: Start difference. First operand 84 states and 97 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 20:07:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:40,311 INFO L93 Difference]: Finished difference Result 103 states and 106 transitions. [2024-11-27 20:07:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:40,312 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 20:07:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:40,313 INFO L225 Difference]: With dead ends: 103 [2024-11-27 20:07:40,313 INFO L226 Difference]: Without dead ends: 91 [2024-11-27 20:07:40,313 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 20:07:40,314 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 25 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:40,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 45 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-27 20:07:40,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-27 20:07:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 88 states have internal predecessors, (94), 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 20:07:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2024-11-27 20:07:40,324 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 6 [2024-11-27 20:07:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:40,325 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-27 20:07:40,325 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 20:07:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2024-11-27 20:07:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 20:07:40,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:40,326 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:40,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:40,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:40,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:40,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash 610992, now seen corresponding path program 1 times [2024-11-27 20:07:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115516750] [2024-11-27 20:07:40,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:40,618 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 20:07:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115516750] [2024-11-27 20:07:40,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115516750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:40,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:40,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:40,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886924506] [2024-11-27 20:07:40,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:40,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:40,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:40,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:40,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:40,622 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:07:40,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:40,937 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2024-11-27 20:07:40,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:40,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-27 20:07:40,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:40,939 INFO L225 Difference]: With dead ends: 92 [2024-11-27 20:07:40,939 INFO L226 Difference]: Without dead ends: 91 [2024-11-27 20:07:40,940 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 20:07:40,941 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:40,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 61 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-27 20:07:40,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-27 20:07:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.5) internal successors, (93), 88 states have internal predecessors, (93), 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 20:07:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 93 transitions. [2024-11-27 20:07:40,950 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 93 transitions. Word has length 11 [2024-11-27 20:07:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:40,950 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 93 transitions. [2024-11-27 20:07:40,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:07:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2024-11-27 20:07:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 20:07:40,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:40,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:40,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:07:40,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:40,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1529131192, now seen corresponding path program 1 times [2024-11-27 20:07:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:40,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563830438] [2024-11-27 20:07:40,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:40,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604413361] [2024-11-27 20:07:40,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:40,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:40,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:40,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:40,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:07:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:41,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:41,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:41,264 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 20:07:41,264 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:41,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:41,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563830438] [2024-11-27 20:07:41,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:41,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604413361] [2024-11-27 20:07:41,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604413361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:41,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:41,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:41,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240643574] [2024-11-27 20:07:41,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:41,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:41,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:41,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:41,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:41,267 INFO L87 Difference]: Start difference. First operand 89 states and 93 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:07:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:41,446 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2024-11-27 20:07:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:41,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2024-11-27 20:07:41,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:41,448 INFO L225 Difference]: With dead ends: 93 [2024-11-27 20:07:41,448 INFO L226 Difference]: Without dead ends: 91 [2024-11-27 20:07:41,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 20:07:41,449 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 12 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:41,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:41,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-27 20:07:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-27 20:07:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.467741935483871) internal successors, (91), 88 states have internal predecessors, (91), 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 20:07:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2024-11-27 20:07:41,457 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 19 [2024-11-27 20:07:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:41,458 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2024-11-27 20:07:41,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:07:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-11-27 20:07:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 20:07:41,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:41,459 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:41,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:41,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:41,659 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:41,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1259277626, now seen corresponding path program 1 times [2024-11-27 20:07:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:41,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214255943] [2024-11-27 20:07:41,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:41,799 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 20:07:41,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:41,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214255943] [2024-11-27 20:07:41,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214255943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:41,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:41,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:41,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878953660] [2024-11-27 20:07:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:41,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:41,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:41,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:41,801 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 20:07:41,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:41,813 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2024-11-27 20:07:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:41,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2024-11-27 20:07:41,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:41,814 INFO L225 Difference]: With dead ends: 89 [2024-11-27 20:07:41,815 INFO L226 Difference]: Without dead ends: 88 [2024-11-27 20:07:41,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:41,816 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 34 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 59 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 20:07:41,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 59 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:41,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-27 20:07:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-27 20:07:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.435483870967742) internal successors, (89), 87 states have internal predecessors, (89), 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 20:07:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2024-11-27 20:07:41,828 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 26 [2024-11-27 20:07:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:41,828 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2024-11-27 20:07:41,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 20:07:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2024-11-27 20:07:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 20:07:41,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:41,829 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] [2024-11-27 20:07:41,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:07:41,829 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:41,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash 382900835, now seen corresponding path program 1 times [2024-11-27 20:07:41,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:41,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220059518] [2024-11-27 20:07:41,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:41,978 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 20:07:41,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220059518] [2024-11-27 20:07:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220059518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:41,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760124858] [2024-11-27 20:07:41,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:41,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:41,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:41,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:41,980 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 20:07:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:41,997 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2024-11-27 20:07:41,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:41,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2024-11-27 20:07:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:41,999 INFO L225 Difference]: With dead ends: 89 [2024-11-27 20:07:41,999 INFO L226 Difference]: Without dead ends: 88 [2024-11-27 20:07:41,999 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 20:07:42,000 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 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 20:07:42,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-27 20:07:42,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-27 20:07:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 87 states have internal predecessors, (88), 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 20:07:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2024-11-27 20:07:42,014 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 27 [2024-11-27 20:07:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:42,015 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2024-11-27 20:07:42,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 20:07:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2024-11-27 20:07:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 20:07:42,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:42,016 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 20:07:42,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:07:42,016 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:42,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash -577415001, now seen corresponding path program 1 times [2024-11-27 20:07:42,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:42,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576868896] [2024-11-27 20:07:42,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:42,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479074701] [2024-11-27 20:07:42,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:42,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:42,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:42,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:42,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:07:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:42,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:07:42,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:42,246 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 20:07:42,246 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:42,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:42,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576868896] [2024-11-27 20:07:42,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:42,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479074701] [2024-11-27 20:07:42,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479074701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:42,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:42,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:42,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202782454] [2024-11-27 20:07:42,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:42,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:42,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:42,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:42,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:42,248 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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 20:07:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:42,496 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-27 20:07:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:42,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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 20:07:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:42,497 INFO L225 Difference]: With dead ends: 139 [2024-11-27 20:07:42,497 INFO L226 Difference]: Without dead ends: 124 [2024-11-27 20:07:42,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 20:07:42,498 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 34 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:42,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 44 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:42,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-27 20:07:42,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-27 20:07:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.3894736842105264) internal successors, (132), 120 states have internal predecessors, (132), 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 20:07:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 132 transitions. [2024-11-27 20:07:42,507 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 132 transitions. Word has length 31 [2024-11-27 20:07:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:42,507 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 132 transitions. [2024-11-27 20:07:42,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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 20:07:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2024-11-27 20:07:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 20:07:42,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:42,509 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, 1, 1, 1] [2024-11-27 20:07:42,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:07:42,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:42,713 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:42,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:42,714 INFO L85 PathProgramCache]: Analyzing trace with hash -426171966, now seen corresponding path program 1 times [2024-11-27 20:07:42,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:42,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699742094] [2024-11-27 20:07:42,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:42,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:42,870 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 20:07:42,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699742094] [2024-11-27 20:07:42,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699742094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:42,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:42,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:42,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918334900] [2024-11-27 20:07:42,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:42,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:42,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:42,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:42,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:42,872 INFO L87 Difference]: Start difference. First operand 121 states and 132 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 20:07:43,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:43,107 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2024-11-27 20:07:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:43,108 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 20:07:43,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:43,109 INFO L225 Difference]: With dead ends: 121 [2024-11-27 20:07:43,109 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:07:43,109 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 20:07:43,110 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:43,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 24 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:43,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:07:43,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-27 20:07:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.368421052631579) internal successors, (130), 119 states have internal predecessors, (130), 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 20:07:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2024-11-27 20:07:43,126 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 34 [2024-11-27 20:07:43,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:43,126 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2024-11-27 20:07:43,126 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 20:07:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2024-11-27 20:07:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-27 20:07:43,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:43,127 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] [2024-11-27 20:07:43,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:07:43,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:43,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash -326428949, now seen corresponding path program 1 times [2024-11-27 20:07:43,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:43,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470677296] [2024-11-27 20:07:43,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:43,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:43,204 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 20:07:43,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470677296] [2024-11-27 20:07:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470677296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:43,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326646709] [2024-11-27 20:07:43,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:43,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:43,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:43,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:43,205 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:07:43,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:43,408 INFO L93 Difference]: Finished difference Result 121 states and 130 transitions. [2024-11-27 20:07:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-27 20:07:43,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:43,410 INFO L225 Difference]: With dead ends: 121 [2024-11-27 20:07:43,410 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:07:43,410 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 20:07:43,411 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 28 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:43,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 76 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:43,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:07:43,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-27 20:07:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 119 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 20:07:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 129 transitions. [2024-11-27 20:07:43,420 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 129 transitions. Word has length 35 [2024-11-27 20:07:43,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:43,420 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 129 transitions. [2024-11-27 20:07:43,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:07:43,420 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2024-11-27 20:07:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-27 20:07:43,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:43,421 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] [2024-11-27 20:07:43,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:07:43,422 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:43,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1529362785, now seen corresponding path program 1 times [2024-11-27 20:07:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589898068] [2024-11-27 20:07:43,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897702052] [2024-11-27 20:07:43,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:43,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:43,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:07:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:43,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:07:43,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:43,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:44,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:44,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589898068] [2024-11-27 20:07:44,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:44,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897702052] [2024-11-27 20:07:44,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897702052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:44,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:44,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:07:44,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903256465] [2024-11-27 20:07:44,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:44,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:07:44,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:44,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:07:44,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:07:44,015 INFO L87 Difference]: Start difference. First operand 120 states and 129 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 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 20:07:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:44,515 INFO L93 Difference]: Finished difference Result 134 states and 139 transitions. [2024-11-27 20:07:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:07:44,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 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 36 [2024-11-27 20:07:44,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:44,517 INFO L225 Difference]: With dead ends: 134 [2024-11-27 20:07:44,518 INFO L226 Difference]: Without dead ends: 128 [2024-11-27 20:07:44,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:07:44,519 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 116 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:44,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 29 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:07:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-27 20:07:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 122. [2024-11-27 20:07:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 121 states have internal predecessors, (127), 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 20:07:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 127 transitions. [2024-11-27 20:07:44,528 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 127 transitions. Word has length 36 [2024-11-27 20:07:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:44,528 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 127 transitions. [2024-11-27 20:07:44,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 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 20:07:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2024-11-27 20:07:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 20:07:44,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:44,530 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:44,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:44,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:44,730 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:44,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1828274777, now seen corresponding path program 1 times [2024-11-27 20:07:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:44,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834214452] [2024-11-27 20:07:44,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902019553] [2024-11-27 20:07:44,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:44,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:44,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:44,774 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:44,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:07:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:44,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:07:44,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:45,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:45,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:45,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834214452] [2024-11-27 20:07:45,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:45,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902019553] [2024-11-27 20:07:45,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902019553] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:45,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-27 20:07:45,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509760229] [2024-11-27 20:07:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:07:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:45,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:07:45,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:07:45,466 INFO L87 Difference]: Start difference. First operand 122 states and 127 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 20:07:48,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:07:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:49,168 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2024-11-27 20:07:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:49,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2024-11-27 20:07:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:49,169 INFO L225 Difference]: With dead ends: 122 [2024-11-27 20:07:49,169 INFO L226 Difference]: Without dead ends: 121 [2024-11-27 20:07:49,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:07:49,171 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 64 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:49,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 10 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-27 20:07:49,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-27 20:07:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-27 20:07:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.2755102040816326) internal successors, (125), 120 states have internal predecessors, (125), 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 20:07:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-27 20:07:49,180 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 44 [2024-11-27 20:07:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:49,181 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-27 20:07:49,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 20:07:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-27 20:07:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:07:49,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:49,183 INFO L218 NwaCegarLoop]: trace histogram [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 20:07:49,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:07:49,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:07:49,387 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:07:49,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash 85931183, now seen corresponding path program 1 times [2024-11-27 20:07:49,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:49,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141142080] [2024-11-27 20:07:49,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:49,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:49,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141142080] [2024-11-27 20:07:49,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141142080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:49,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276177049] [2024-11-27 20:07:49,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:49,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:49,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:07:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:49,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:07:49,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:49,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:57,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276177049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:57,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:07:57,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-27 20:07:57,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698369278] [2024-11-27 20:07:57,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:57,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:07:57,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:57,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:07:57,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-11-27 20:07:57,525 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 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 20:08:02,073 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 [1] [2024-11-27 20:08:06,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-27 20:08:10,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-27 20:08:14,263 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 [1] [2024-11-27 20:08:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:14,772 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2024-11-27 20:08:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:08:14,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 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 52 [2024-11-27 20:08:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:14,774 INFO L225 Difference]: With dead ends: 121 [2024-11-27 20:08:14,774 INFO L226 Difference]: Without dead ends: 111 [2024-11-27 20:08:14,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=60, Invalid=121, Unknown=1, NotChecked=0, Total=182 [2024-11-27 20:08:14,775 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 129 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 18 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:14,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 12 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 209 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2024-11-27 20:08:14,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-27 20:08:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-27 20:08:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.153061224489796) internal successors, (113), 110 states have internal predecessors, (113), 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 20:08:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2024-11-27 20:08:14,783 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 52 [2024-11-27 20:08:14,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:14,784 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2024-11-27 20:08:14,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 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 20:08:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2024-11-27 20:08:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-27 20:08:14,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:14,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:14,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:08:14,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:08:14,986 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:14,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:14,987 INFO L85 PathProgramCache]: Analyzing trace with hash 966866778, now seen corresponding path program 1 times [2024-11-27 20:08:14,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:14,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476799712] [2024-11-27 20:08:14,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:15,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:15,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476799712] [2024-11-27 20:08:15,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476799712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:15,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277818754] [2024-11-27 20:08:15,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:15,133 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:15,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:08:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:15,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:08:15,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:15,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:15,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277818754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:15,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:15,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 20:08:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238467573] [2024-11-27 20:08:15,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:15,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:15,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:15,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:15,456 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 20:08:15,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:15,487 INFO L93 Difference]: Finished difference Result 196 states and 198 transitions. [2024-11-27 20:08:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:15,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 60 [2024-11-27 20:08:15,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:15,492 INFO L225 Difference]: With dead ends: 196 [2024-11-27 20:08:15,492 INFO L226 Difference]: Without dead ends: 195 [2024-11-27 20:08:15,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 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 20:08:15,493 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 42 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:15,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 221 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:15,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-27 20:08:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 172. [2024-11-27 20:08:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 159 states have (on average 1.2264150943396226) internal successors, (195), 171 states have internal predecessors, (195), 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 20:08:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 195 transitions. [2024-11-27 20:08:15,510 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 195 transitions. Word has length 60 [2024-11-27 20:08:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:15,511 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 195 transitions. [2024-11-27 20:08:15,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 20:08:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2024-11-27 20:08:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 20:08:15,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:15,512 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] [2024-11-27 20:08:15,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:15,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 20:08:15,713 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:15,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1924226530, now seen corresponding path program 1 times [2024-11-27 20:08:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:15,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270539588] [2024-11-27 20:08:15,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:15,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266702786] [2024-11-27 20:08:15,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:15,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:15,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:15,735 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:08:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:15,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:08:15,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:15,965 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 20:08:15,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:16,218 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 20:08:16,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:16,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270539588] [2024-11-27 20:08:16,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:16,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266702786] [2024-11-27 20:08:16,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266702786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:16,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:08:16,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:08:16,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491422786] [2024-11-27 20:08:16,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:16,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:08:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:16,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:08:16,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:16,221 INFO L87 Difference]: Start difference. First operand 172 states and 195 transitions. Second operand has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 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 20:08:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:16,630 INFO L93 Difference]: Finished difference Result 177 states and 195 transitions. [2024-11-27 20:08:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:08:16,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 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 64 [2024-11-27 20:08:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:16,633 INFO L225 Difference]: With dead ends: 177 [2024-11-27 20:08:16,633 INFO L226 Difference]: Without dead ends: 171 [2024-11-27 20:08:16,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 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 20:08:16,636 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 78 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:16,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 51 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:08:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-27 20:08:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 170. [2024-11-27 20:08:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 159 states have (on average 1.1635220125786163) internal successors, (185), 169 states have internal predecessors, (185), 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 20:08:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 185 transitions. [2024-11-27 20:08:16,648 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 185 transitions. Word has length 64 [2024-11-27 20:08:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:16,649 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 185 transitions. [2024-11-27 20:08:16,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 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 20:08:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 185 transitions. [2024-11-27 20:08:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 20:08:16,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:16,654 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] [2024-11-27 20:08:16,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:16,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:16,855 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:16,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash 587517154, now seen corresponding path program 1 times [2024-11-27 20:08:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:16,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564769893] [2024-11-27 20:08:16,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:16,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1462377973] [2024-11-27 20:08:16,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:16,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:16,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:16,882 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:16,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:08:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:16,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:08:16,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:17,313 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 20:08:17,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:18,266 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 20:08:18,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:18,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564769893] [2024-11-27 20:08:18,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:18,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462377973] [2024-11-27 20:08:18,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462377973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:18,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:08:18,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-27 20:08:18,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439243328] [2024-11-27 20:08:18,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:18,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:08:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:18,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:08:18,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:08:18,270 INFO L87 Difference]: Start difference. First operand 170 states and 185 transitions. Second operand has 11 states, 10 states have (on average 13.5) internal successors, (135), 11 states have internal predecessors, (135), 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 20:08:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:19,398 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2024-11-27 20:08:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:08:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.5) internal successors, (135), 11 states have internal predecessors, (135), 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 68 [2024-11-27 20:08:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:19,401 INFO L225 Difference]: With dead ends: 170 [2024-11-27 20:08:19,401 INFO L226 Difference]: Without dead ends: 169 [2024-11-27 20:08:19,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:08:19,402 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 96 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:19,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 26 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:08:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-27 20:08:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-27 20:08:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 159 states have (on average 1.1446540880503144) internal successors, (182), 168 states have internal predecessors, (182), 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 20:08:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 182 transitions. [2024-11-27 20:08:19,413 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 182 transitions. Word has length 68 [2024-11-27 20:08:19,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:19,414 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 182 transitions. [2024-11-27 20:08:19,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.5) internal successors, (135), 11 states have internal predecessors, (135), 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 20:08:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 182 transitions. [2024-11-27 20:08:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-27 20:08:19,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:19,415 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, 1, 1, 1] [2024-11-27 20:08:19,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:19,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:19,621 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:19,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:19,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1963270564, now seen corresponding path program 1 times [2024-11-27 20:08:19,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:19,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242209912] [2024-11-27 20:08:19,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:19,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [648736536] [2024-11-27 20:08:19,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:19,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:19,668 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:19,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:08:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:19,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:08:19,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:20,125 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 20:08:20,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:20,469 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 20:08:20,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:20,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242209912] [2024-11-27 20:08:20,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:20,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648736536] [2024-11-27 20:08:20,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648736536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:20,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:08:20,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-27 20:08:20,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475413220] [2024-11-27 20:08:20,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:20,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:08:20,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:20,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:08:20,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:08:20,473 INFO L87 Difference]: Start difference. First operand 169 states and 182 transitions. Second operand has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 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 20:08:21,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:21,235 INFO L93 Difference]: Finished difference Result 182 states and 195 transitions. [2024-11-27 20:08:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:08:21,235 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 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 70 [2024-11-27 20:08:21,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:21,237 INFO L225 Difference]: With dead ends: 182 [2024-11-27 20:08:21,237 INFO L226 Difference]: Without dead ends: 177 [2024-11-27 20:08:21,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:08:21,238 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 110 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:21,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 47 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:08:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-27 20:08:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 176. [2024-11-27 20:08:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 169 states have (on average 1.0769230769230769) internal successors, (182), 175 states have internal predecessors, (182), 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 20:08:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 182 transitions. [2024-11-27 20:08:21,248 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 182 transitions. Word has length 70 [2024-11-27 20:08:21,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:21,248 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 182 transitions. [2024-11-27 20:08:21,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 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 20:08:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 182 transitions. [2024-11-27 20:08:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 20:08:21,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:21,254 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, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:08:21,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:08:21,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 20:08:21,455 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:21,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash 997051840, now seen corresponding path program 1 times [2024-11-27 20:08:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:21,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199810780] [2024-11-27 20:08:21,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:21,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745503418] [2024-11-27 20:08:21,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:21,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:21,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:21,479 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:21,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:08:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:21,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:08:21,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:21,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199810780] [2024-11-27 20:08:21,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745503418] [2024-11-27 20:08:21,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745503418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:21,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:21,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:08:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728733286] [2024-11-27 20:08:21,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:21,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:21,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:21,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:21,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:21,729 INFO L87 Difference]: Start difference. First operand 176 states and 182 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 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 20:08:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:21,951 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2024-11-27 20:08:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:21,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 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 20:08:21,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:21,953 INFO L225 Difference]: With dead ends: 176 [2024-11-27 20:08:21,953 INFO L226 Difference]: Without dead ends: 174 [2024-11-27 20:08:21,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 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 20:08:21,954 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 34 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:21,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 41 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:08:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-27 20:08:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-27 20:08:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 169 states have (on average 1.047337278106509) internal successors, (177), 173 states have internal predecessors, (177), 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 20:08:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 177 transitions. [2024-11-27 20:08:21,965 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 177 transitions. Word has length 98 [2024-11-27 20:08:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:21,966 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 177 transitions. [2024-11-27 20:08:21,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 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 20:08:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 177 transitions. [2024-11-27 20:08:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 20:08:21,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:21,968 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1] [2024-11-27 20:08:21,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:22,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:08:22,172 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:22,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1631675729, now seen corresponding path program 1 times [2024-11-27 20:08:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:22,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559679846] [2024-11-27 20:08:22,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-27 20:08:22,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:22,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559679846] [2024-11-27 20:08:22,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559679846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:22,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:22,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:22,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658185115] [2024-11-27 20:08:22,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:22,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:22,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:22,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:22,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:22,278 INFO L87 Difference]: Start difference. First operand 174 states and 177 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 20:08:22,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:22,343 INFO L93 Difference]: Finished difference Result 174 states and 177 transitions. [2024-11-27 20:08:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:22,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 107 [2024-11-27 20:08:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:22,346 INFO L225 Difference]: With dead ends: 174 [2024-11-27 20:08:22,346 INFO L226 Difference]: Without dead ends: 173 [2024-11-27 20:08:22,346 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 20:08:22,347 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 23 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:22,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 14 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-27 20:08:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-27 20:08:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 169 states have (on average 1.0355029585798816) internal successors, (175), 172 states have internal predecessors, (175), 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 20:08:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 175 transitions. [2024-11-27 20:08:22,357 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 175 transitions. Word has length 107 [2024-11-27 20:08:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:22,358 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 175 transitions. [2024-11-27 20:08:22,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 20:08:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 175 transitions. [2024-11-27 20:08:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:08:22,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:22,359 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-27 20:08:22,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:08:22,360 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:22,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash 377314259, now seen corresponding path program 1 times [2024-11-27 20:08:22,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:22,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557646625] [2024-11-27 20:08:22,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:22,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668685163] [2024-11-27 20:08:22,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:22,385 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:22,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:08:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:22,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:08:22,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:22,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:22,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:22,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557646625] [2024-11-27 20:08:22,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:22,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668685163] [2024-11-27 20:08:22,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668685163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:22,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:08:22,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:08:22,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829056059] [2024-11-27 20:08:22,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:22,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:08:22,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:22,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:08:22,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:08:22,936 INFO L87 Difference]: Start difference. First operand 173 states and 175 transitions. Second operand has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 10 states have internal predecessors, (217), 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 20:08:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:23,517 INFO L93 Difference]: Finished difference Result 286 states and 293 transitions. [2024-11-27 20:08:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:08:23,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 10 states have internal predecessors, (217), 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 109 [2024-11-27 20:08:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:23,519 INFO L225 Difference]: With dead ends: 286 [2024-11-27 20:08:23,519 INFO L226 Difference]: Without dead ends: 284 [2024-11-27 20:08:23,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:08:23,520 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 136 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:23,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 100 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:08:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-27 20:08:23,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 278. [2024-11-27 20:08:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 274 states have (on average 1.0364963503649636) internal successors, (284), 277 states have internal predecessors, (284), 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 20:08:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 284 transitions. [2024-11-27 20:08:23,533 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 284 transitions. Word has length 109 [2024-11-27 20:08:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:23,534 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 284 transitions. [2024-11-27 20:08:23,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 10 states have internal predecessors, (217), 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 20:08:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 284 transitions. [2024-11-27 20:08:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-27 20:08:23,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:23,536 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-27 20:08:23,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:08:23,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:23,736 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash -476325853, now seen corresponding path program 2 times [2024-11-27 20:08:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017447818] [2024-11-27 20:08:23,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:23,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:08:23,759 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:24,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:24,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017447818] [2024-11-27 20:08:24,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017447818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:24,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67442180] [2024-11-27 20:08:24,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:24,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:24,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:24,008 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:24,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:08:24,066 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:08:24,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:24,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:08:24,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:24,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:24,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67442180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:24,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:24,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-27 20:08:24,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853996874] [2024-11-27 20:08:24,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:24,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:08:24,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:24,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:08:24,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:08:24,611 INFO L87 Difference]: Start difference. First operand 278 states and 284 transitions. Second operand has 12 states, 11 states have (on average 28.818181818181817) internal successors, (317), 12 states have internal predecessors, (317), 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 20:08:24,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:24,672 INFO L93 Difference]: Finished difference Result 371 states and 376 transitions. [2024-11-27 20:08:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:08:24,673 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 28.818181818181817) internal successors, (317), 12 states have internal predecessors, (317), 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 159 [2024-11-27 20:08:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:24,674 INFO L225 Difference]: With dead ends: 371 [2024-11-27 20:08:24,674 INFO L226 Difference]: Without dead ends: 370 [2024-11-27 20:08:24,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:08:24,675 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 19 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:24,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 369 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-27 20:08:24,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2024-11-27 20:08:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 357 states have (on average 1.0364145658263306) internal successors, (370), 360 states have internal predecessors, (370), 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 20:08:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 370 transitions. [2024-11-27 20:08:24,693 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 370 transitions. Word has length 159 [2024-11-27 20:08:24,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:24,694 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 370 transitions. [2024-11-27 20:08:24,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 28.818181818181817) internal successors, (317), 12 states have internal predecessors, (317), 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 20:08:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 370 transitions. [2024-11-27 20:08:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:08:24,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:24,696 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2024-11-27 20:08:24,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:08:24,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 20:08:24,897 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-27 20:08:24,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:24,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1170742061, now seen corresponding path program 2 times [2024-11-27 20:08:24,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:24,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675709480] [2024-11-27 20:08:24,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:24,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:24,920 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:08:24,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:08:24,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909823151] [2024-11-27 20:08:24,920 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:24,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:24,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:24,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:24,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344dd581-45fc-4d28-9bbd-ab76e9fc222c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:08:24,990 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:08:24,990 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:24,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:08:24,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:25,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:47,855 WARN L851 $PredicateComparison]: unable to prove that (or (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 90) (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 12) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (+ (div (+ (* (- 14) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* (- 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|) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 73))) 4) 536870812)) (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0))) is different from false [2024-11-27 20:17:07,317 WARN L286 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:23,495 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:13,153 WARN L286 SmtUtils]: Spent 49.65s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:20:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 134 not checked. [2024-11-27 20:20:58,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:20:58,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675709480] [2024-11-27 20:20:58,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:20:58,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909823151] [2024-11-27 20:20:58,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909823151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:20:58,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:20:58,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-27 20:20:58,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955870341] [2024-11-27 20:20:58,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:20:58,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:20:58,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:58,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:20:58,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=204, Unknown=2, NotChecked=30, Total=306 [2024-11-27 20:20:58,142 INFO L87 Difference]: Start difference. First operand 361 states and 370 transitions. Second operand has 18 states, 17 states have (on average 19.823529411764707) internal successors, (337), 18 states have internal predecessors, (337), 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 20:21:58,306 WARN L286 SmtUtils]: Spent 24.32s on a formula simplification. DAG size of input: 93 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:22:01,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:04,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:08,203 WARN L539 Checker$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 20:22:12,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:13,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:15,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:19,078 WARN L539 Checker$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 20:22:23,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:25,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:26,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:30,100 WARN L539 Checker$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 20:22:31,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:35,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:36,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:40,890 WARN L539 Checker$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 20:22:44,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:45,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:47,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:51,801 WARN L539 Checker$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 20:22:56,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:22:58,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []