./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.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_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/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_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/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_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/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 f6f262ee8ef73ce794ec50b2a6144e291b9346fae74936a8743567d685b8f10f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:43,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:43,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:12:43,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:43,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:43,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:43,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:43,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:43,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:43,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:43,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:12:43,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:12:43,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:43,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:43,949 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:43,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:43,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:12:43,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:12:43,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:43,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:43,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:43,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:43,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:12:43,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:12:43,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:12:43,953 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_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/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 -> f6f262ee8ef73ce794ec50b2a6144e291b9346fae74936a8743567d685b8f10f [2024-11-27 20:12:44,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:44,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:44,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:44,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:44,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:44,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2024-11-27 20:12:47,804 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/data/b67608c14/428a85986f6245c0bfe1cc28e2fb9c7e/FLAG220ad839b [2024-11-27 20:12:48,187 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:48,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2024-11-27 20:12:48,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/data/b67608c14/428a85986f6245c0bfe1cc28e2fb9c7e/FLAG220ad839b [2024-11-27 20:12:48,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/data/b67608c14/428a85986f6245c0bfe1cc28e2fb9c7e [2024-11-27 20:12:48,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:48,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:48,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:48,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:48,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:48,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3366e8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48, skipping insertion in model container [2024-11-27 20:12:48,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:48,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:48,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:48,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:48,625 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:48,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48 WrapperNode [2024-11-27 20:12:48,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:48,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:48,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:48,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:48,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,693 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2024-11-27 20:12:48,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:48,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:48,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:48,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:48,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,730 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:12:48,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:48,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:48,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:48,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:48,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (1/1) ... [2024-11-27 20:12:48,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:48,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:48,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:48,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:12:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:12:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:12:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:12:48,916 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:48,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:49,418 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:49,418 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:49,434 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:49,435 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:12:49,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:49 BoogieIcfgContainer [2024-11-27 20:12:49,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:49,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:12:49,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:12:49,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:12:49,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:48" (1/3) ... [2024-11-27 20:12:49,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d06c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:49, skipping insertion in model container [2024-11-27 20:12:49,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:48" (2/3) ... [2024-11-27 20:12:49,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d06c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:49, skipping insertion in model container [2024-11-27 20:12:49,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:49" (3/3) ... [2024-11-27 20:12:49,451 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound5.c [2024-11-27 20:12:49,471 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:12:49,473 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll_unwindbound5.c that has 2 procedures, 109 locations, 1 initial locations, 1 loop locations, and 46 error locations. [2024-11-27 20:12:49,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:12:49,568 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;@2359fcfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:12:49,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-27 20:12:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-27 20:12:49,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:49,580 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-27 20:12:49,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:49,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-27 20:12:49,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094551035] [2024-11-27 20:12:49,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:49,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:49,817 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 20:12:49,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:49,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094551035] [2024-11-27 20:12:49,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094551035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:49,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:49,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572116100] [2024-11-27 20:12:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:49,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:49,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:49,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:49,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:49,852 INFO L87 Difference]: Start difference. First operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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 20:12:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:49,944 INFO L93 Difference]: Finished difference Result 209 states and 225 transitions. [2024-11-27 20:12:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:49,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 20:12:49,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:49,958 INFO L225 Difference]: With dead ends: 209 [2024-11-27 20:12:49,958 INFO L226 Difference]: Without dead ends: 96 [2024-11-27 20:12:49,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:12:49,966 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 103 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:49,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 194 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:49,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-27 20:12:50,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-27 20:12:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 93 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2024-11-27 20:12:50,031 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 4 [2024-11-27 20:12:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,033 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2024-11-27 20:12:50,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 20:12:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2024-11-27 20:12:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 20:12:50,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,035 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 20:12:50,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:12:50,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,038 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-27 20:12:50,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134431370] [2024-11-27 20:12:50,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:50,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:50,119 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 20:12:50,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:50,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134431370] [2024-11-27 20:12:50,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134431370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:50,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:50,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:50,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821186081] [2024-11-27 20:12:50,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:50,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:50,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:50,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:50,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:50,123 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:12:50,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:50,188 INFO L93 Difference]: Finished difference Result 135 states and 136 transitions. [2024-11-27 20:12:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:12:50,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-27 20:12:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:50,190 INFO L225 Difference]: With dead ends: 135 [2024-11-27 20:12:50,190 INFO L226 Difference]: Without dead ends: 100 [2024-11-27 20:12:50,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:12:50,192 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:50,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:50,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-27 20:12:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-27 20:12:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.706896551724138) internal successors, (99), 97 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2024-11-27 20:12:50,218 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 5 [2024-11-27 20:12:50,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,218 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2024-11-27 20:12:50,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:12:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2024-11-27 20:12:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:12:50,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,220 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:50,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:12:50,220 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:50,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2024-11-27 20:12:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533339347] [2024-11-27 20:12:50,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:50,302 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 20:12:50,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:50,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533339347] [2024-11-27 20:12:50,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533339347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:50,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:50,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:50,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323727055] [2024-11-27 20:12:50,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:50,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:50,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:50,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:50,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:50,308 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 20:12:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:50,539 INFO L93 Difference]: Finished difference Result 172 states and 187 transitions. [2024-11-27 20:12:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:50,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-27 20:12:50,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:50,542 INFO L225 Difference]: With dead ends: 172 [2024-11-27 20:12:50,542 INFO L226 Difference]: Without dead ends: 167 [2024-11-27 20:12:50,542 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 20:12:50,544 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:50,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 128 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:12:50,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-27 20:12:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 129. [2024-11-27 20:12:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.7093023255813953) internal successors, (147), 125 states have internal predecessors, (147), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2024-11-27 20:12:50,558 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 7 [2024-11-27 20:12:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,558 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2024-11-27 20:12:50,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 20:12:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2024-11-27 20:12:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-27 20:12:50,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,559 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:50,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:12:50,560 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:50,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,561 INFO L85 PathProgramCache]: Analyzing trace with hash 262868299, now seen corresponding path program 1 times [2024-11-27 20:12:50,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124496143] [2024-11-27 20:12:50,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:50,623 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 20:12:50,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:50,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124496143] [2024-11-27 20:12:50,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124496143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:50,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:50,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:50,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101882287] [2024-11-27 20:12:50,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:50,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:50,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:50,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:50,625 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:12:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:50,933 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2024-11-27 20:12:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:50,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-27 20:12:50,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:50,935 INFO L225 Difference]: With dead ends: 165 [2024-11-27 20:12:50,935 INFO L226 Difference]: Without dead ends: 147 [2024-11-27 20:12:50,936 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 20:12:50,937 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:50,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 78 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:12:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-27 20:12:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2024-11-27 20:12:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 137 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 155 transitions. [2024-11-27 20:12:50,955 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 155 transitions. Word has length 9 [2024-11-27 20:12:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,955 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 155 transitions. [2024-11-27 20:12:50,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:12:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2024-11-27 20:12:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:12:50,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,956 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:50,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:12:50,957 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:50,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,957 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2024-11-27 20:12:50,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956550298] [2024-11-27 20:12:50,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:51,087 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 20:12:51,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:51,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956550298] [2024-11-27 20:12:51,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956550298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:51,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:51,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:51,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442708455] [2024-11-27 20:12:51,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:51,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:51,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:51,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:51,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:51,090 INFO L87 Difference]: Start difference. First operand 141 states and 155 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20:12:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:51,452 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2024-11-27 20:12:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:51,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-27 20:12:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:51,454 INFO L225 Difference]: With dead ends: 155 [2024-11-27 20:12:51,454 INFO L226 Difference]: Without dead ends: 149 [2024-11-27 20:12:51,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:51,455 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:51,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 130 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:12:51,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-27 20:12:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 144. [2024-11-27 20:12:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 101 states have (on average 1.495049504950495) internal successors, (151), 140 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2024-11-27 20:12:51,468 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 15 [2024-11-27 20:12:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:51,468 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2024-11-27 20:12:51,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20:12:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2024-11-27 20:12:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-27 20:12:51,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:51,469 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:51,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:12:51,469 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:51,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:51,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1939989777, now seen corresponding path program 1 times [2024-11-27 20:12:51,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:51,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752892532] [2024-11-27 20:12:51,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:51,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:51,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169656563] [2024-11-27 20:12:51,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:51,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:51,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:51,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:51,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:12:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:51,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:12:51,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:51,740 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 20:12:51,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:51,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:51,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752892532] [2024-11-27 20:12:51,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:51,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169656563] [2024-11-27 20:12:51,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169656563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:51,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:51,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:51,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909852781] [2024-11-27 20:12:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:51,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:51,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:51,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:51,746 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:12:52,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:52,008 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2024-11-27 20:12:52,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:52,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2024-11-27 20:12:52,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:52,010 INFO L225 Difference]: With dead ends: 153 [2024-11-27 20:12:52,010 INFO L226 Difference]: Without dead ends: 129 [2024-11-27 20:12:52,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 20:12:52,011 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:52,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 78 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:12:52,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-27 20:12:52,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-27 20:12:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 123 states have internal predecessors, (128), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2024-11-27 20:12:52,035 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 16 [2024-11-27 20:12:52,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:52,035 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2024-11-27 20:12:52,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:12:52,035 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2024-11-27 20:12:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 20:12:52,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:52,037 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 20:12:52,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:52,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 20:12:52,242 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:52,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:52,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1520710571, now seen corresponding path program 1 times [2024-11-27 20:12:52,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434382608] [2024-11-27 20:12:52,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:52,369 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 20:12:52,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:52,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434382608] [2024-11-27 20:12:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434382608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535611139] [2024-11-27 20:12:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:52,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:52,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:52,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:52,371 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:52,396 INFO L93 Difference]: Finished difference Result 129 states and 132 transitions. [2024-11-27 20:12:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:52,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-27 20:12:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:52,398 INFO L225 Difference]: With dead ends: 129 [2024-11-27 20:12:52,398 INFO L226 Difference]: Without dead ends: 127 [2024-11-27 20:12:52,398 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 20:12:52,399 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:52,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-27 20:12:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-27 20:12:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5) internal successors, (126), 123 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 130 transitions. [2024-11-27 20:12:52,409 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 130 transitions. Word has length 31 [2024-11-27 20:12:52,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:52,412 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 130 transitions. [2024-11-27 20:12:52,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2024-11-27 20:12:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-27 20:12:52,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:52,414 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 20:12:52,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:12:52,414 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:52,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash 778846891, now seen corresponding path program 1 times [2024-11-27 20:12:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:52,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880296398] [2024-11-27 20:12:52,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:52,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371485197] [2024-11-27 20:12:52,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:52,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:52,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:52,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:12:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:52,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:12:52,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:52,613 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 20:12:52,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:52,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:52,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880296398] [2024-11-27 20:12:52,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:52,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371485197] [2024-11-27 20:12:52,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371485197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:52,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:52,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731536627] [2024-11-27 20:12:52,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:52,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:52,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:52,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:52,617 INFO L87 Difference]: Start difference. First operand 127 states and 130 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:52,897 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2024-11-27 20:12:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:52,898 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-27 20:12:52,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:52,899 INFO L225 Difference]: With dead ends: 200 [2024-11-27 20:12:52,899 INFO L226 Difference]: Without dead ends: 181 [2024-11-27 20:12:52,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 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 20:12:52,900 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 55 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:52,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 110 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:12:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-27 20:12:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-27 20:12:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4682539682539681) internal successors, (185), 165 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 191 transitions. [2024-11-27 20:12:52,925 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 191 transitions. Word has length 36 [2024-11-27 20:12:52,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:52,926 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 191 transitions. [2024-11-27 20:12:52,926 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 191 transitions. [2024-11-27 20:12:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 20:12:52,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:52,927 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:52,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:53,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:53,128 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:53,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1147556013, now seen corresponding path program 1 times [2024-11-27 20:12:53,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:53,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822484622] [2024-11-27 20:12:53,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:53,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:53,299 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 20:12:53,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:53,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822484622] [2024-11-27 20:12:53,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822484622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:53,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:53,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232825752] [2024-11-27 20:12:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:53,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:53,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:53,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:53,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:53,302 INFO L87 Difference]: Start difference. First operand 170 states and 191 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:53,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:53,416 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2024-11-27 20:12:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:53,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-27 20:12:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:53,418 INFO L225 Difference]: With dead ends: 171 [2024-11-27 20:12:53,421 INFO L226 Difference]: Without dead ends: 170 [2024-11-27 20:12:53,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:53,422 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:53,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 136 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:12:53,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-27 20:12:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-27 20:12:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4603174603174602) internal successors, (184), 165 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 190 transitions. [2024-11-27 20:12:53,437 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 190 transitions. Word has length 38 [2024-11-27 20:12:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:53,438 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 190 transitions. [2024-11-27 20:12:53,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 190 transitions. [2024-11-27 20:12:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 20:12:53,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:53,441 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:53,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:12:53,442 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:53,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:53,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1098457063, now seen corresponding path program 1 times [2024-11-27 20:12:53,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:53,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558482789] [2024-11-27 20:12:53,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:53,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:53,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558482789] [2024-11-27 20:12:53,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558482789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:53,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501022367] [2024-11-27 20:12:53,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:53,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:53,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:53,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:53,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:12:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:53,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:12:53,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:53,800 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:53,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501022367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:53,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:53,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-27 20:12:53,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170361224] [2024-11-27 20:12:53,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:53,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:12:53,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:53,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:12:53,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:53,803 INFO L87 Difference]: Start difference. First operand 170 states and 190 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:53,863 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2024-11-27 20:12:53,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:12:53,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-27 20:12:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:53,866 INFO L225 Difference]: With dead ends: 218 [2024-11-27 20:12:53,866 INFO L226 Difference]: Without dead ends: 217 [2024-11-27 20:12:53,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:53,868 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 62 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:53,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 400 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:53,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-27 20:12:53,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2024-11-27 20:12:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 126 states have (on average 1.4444444444444444) internal successors, (182), 164 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 188 transitions. [2024-11-27 20:12:53,885 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 188 transitions. Word has length 41 [2024-11-27 20:12:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 188 transitions. [2024-11-27 20:12:53,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2024-11-27 20:12:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 20:12:53,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:53,890 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:53,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:54,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:12:54,091 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:54,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:54,091 INFO L85 PathProgramCache]: Analyzing trace with hash 944718654, now seen corresponding path program 1 times [2024-11-27 20:12:54,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:54,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327772724] [2024-11-27 20:12:54,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:54,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:54,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610166767] [2024-11-27 20:12:54,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:54,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:54,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:54,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:54,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:12:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:54,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:54,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 20:12:54,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:54,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:54,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327772724] [2024-11-27 20:12:54,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:54,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610166767] [2024-11-27 20:12:54,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610166767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:54,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:54,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:54,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092991900] [2024-11-27 20:12:54,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:54,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:54,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:54,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:54,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:54,293 INFO L87 Difference]: Start difference. First operand 169 states and 188 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:54,386 INFO L93 Difference]: Finished difference Result 169 states and 188 transitions. [2024-11-27 20:12:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:54,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-27 20:12:54,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:54,388 INFO L225 Difference]: With dead ends: 169 [2024-11-27 20:12:54,388 INFO L226 Difference]: Without dead ends: 166 [2024-11-27 20:12:54,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 1 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 20:12:54,389 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 40 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:54,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 66 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:12:54,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-27 20:12:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-27 20:12:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 161 states have internal predecessors, (177), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2024-11-27 20:12:54,397 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 43 [2024-11-27 20:12:54,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:54,398 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2024-11-27 20:12:54,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2024-11-27 20:12:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 20:12:54,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:54,399 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:54,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:54,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 20:12:54,603 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:54,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -778492748, now seen corresponding path program 1 times [2024-11-27 20:12:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:54,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155215034] [2024-11-27 20:12:54,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:54,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274711175] [2024-11-27 20:12:54,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:54,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:54,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:54,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:54,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:12:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:54,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:12:54,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:54,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:55,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155215034] [2024-11-27 20:12:55,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274711175] [2024-11-27 20:12:55,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274711175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:55,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:12:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:12:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933649472] [2024-11-27 20:12:55,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:55,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:55,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:55,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:55,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:55,124 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:55,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:55,734 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-11-27 20:12:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:12:55,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-27 20:12:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:55,736 INFO L225 Difference]: With dead ends: 188 [2024-11-27 20:12:55,737 INFO L226 Difference]: Without dead ends: 184 [2024-11-27 20:12:55,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:55,738 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 179 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:55,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 156 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:12:55,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-27 20:12:55,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-11-27 20:12:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 173 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 194 transitions. [2024-11-27 20:12:55,749 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 194 transitions. Word has length 44 [2024-11-27 20:12:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:55,750 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 194 transitions. [2024-11-27 20:12:55,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 194 transitions. [2024-11-27 20:12:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 20:12:55,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:55,751 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:55,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:55,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:12:55,956 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:55,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:55,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1291579834, now seen corresponding path program 1 times [2024-11-27 20:12:55,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:55,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973803083] [2024-11-27 20:12:55,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:55,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690050105] [2024-11-27 20:12:55,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:55,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:55,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:55,986 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:55,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:12:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:56,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:12:56,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:56,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:56,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:56,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973803083] [2024-11-27 20:12:56,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:56,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690050105] [2024-11-27 20:12:56,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690050105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:56,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:56,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:12:56,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237767017] [2024-11-27 20:12:56,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:56,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:12:56,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:56,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:12:56,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:56,194 INFO L87 Difference]: Start difference. First operand 178 states and 194 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:56,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:56,525 INFO L93 Difference]: Finished difference Result 196 states and 215 transitions. [2024-11-27 20:12:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:12:56,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2024-11-27 20:12:56,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:56,527 INFO L225 Difference]: With dead ends: 196 [2024-11-27 20:12:56,528 INFO L226 Difference]: Without dead ends: 185 [2024-11-27 20:12:56,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:56,528 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:56,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 31 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:12:56,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-27 20:12:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-27 20:12:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 146 states have (on average 1.273972602739726) internal successors, (186), 172 states have internal predecessors, (186), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 192 transitions. [2024-11-27 20:12:56,541 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 192 transitions. Word has length 51 [2024-11-27 20:12:56,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:56,541 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 192 transitions. [2024-11-27 20:12:56,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:12:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 192 transitions. [2024-11-27 20:12:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:12:56,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:56,543 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:56,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:56,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:12:56,744 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:56,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:56,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1384269124, now seen corresponding path program 1 times [2024-11-27 20:12:56,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:56,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099795018] [2024-11-27 20:12:56,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:56,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:56,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461400727] [2024-11-27 20:12:56,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:56,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:56,767 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:56,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:12:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:56,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:12:56,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:57,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:57,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:57,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099795018] [2024-11-27 20:12:57,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:57,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461400727] [2024-11-27 20:12:57,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461400727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:57,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:12:57,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:12:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585865570] [2024-11-27 20:12:57,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:57,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:57,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:57,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:57,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:57,381 INFO L87 Difference]: Start difference. First operand 177 states and 192 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:58,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:58,159 INFO L93 Difference]: Finished difference Result 201 states and 225 transitions. [2024-11-27 20:12:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:12:58,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-27 20:12:58,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:58,161 INFO L225 Difference]: With dead ends: 201 [2024-11-27 20:12:58,161 INFO L226 Difference]: Without dead ends: 173 [2024-11-27 20:12:58,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:58,162 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 129 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:58,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 112 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:12:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-27 20:12:58,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2024-11-27 20:12:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 144 states have (on average 1.2777777777777777) internal successors, (184), 166 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 190 transitions. [2024-11-27 20:12:58,176 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 190 transitions. Word has length 52 [2024-11-27 20:12:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:58,176 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 190 transitions. [2024-11-27 20:12:58,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2024-11-27 20:12:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-27 20:12:58,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:58,178 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:58,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:58,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 20:12:58,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:58,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash 606767946, now seen corresponding path program 1 times [2024-11-27 20:12:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:58,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687723621] [2024-11-27 20:12:58,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:12:58,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:58,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687723621] [2024-11-27 20:12:58,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687723621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165846703] [2024-11-27 20:12:58,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:58,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:58,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:58,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:58,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:12:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:58,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:58,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:12:58,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:58,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165846703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:58,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 20:12:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534203470] [2024-11-27 20:12:58,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:58,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:58,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:58,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:58,716 INFO L87 Difference]: Start difference. First operand 171 states and 190 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:58,752 INFO L93 Difference]: Finished difference Result 182 states and 197 transitions. [2024-11-27 20:12:58,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:58,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-27 20:12:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:58,754 INFO L225 Difference]: With dead ends: 182 [2024-11-27 20:12:58,754 INFO L226 Difference]: Without dead ends: 181 [2024-11-27 20:12:58,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 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 20:12:58,755 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:58,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 164 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-27 20:12:58,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-27 20:12:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 144 states have (on average 1.2638888888888888) internal successors, (182), 165 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:12:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 188 transitions. [2024-11-27 20:12:58,765 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 188 transitions. Word has length 67 [2024-11-27 20:12:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:58,765 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 188 transitions. [2024-11-27 20:12:58,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:12:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 188 transitions. [2024-11-27 20:12:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 20:12:58,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:58,767 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:58,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:58,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:12:58,972 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:58,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:58,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1629937234, now seen corresponding path program 1 times [2024-11-27 20:12:58,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:58,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372733209] [2024-11-27 20:12:58,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:12:59,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:59,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372733209] [2024-11-27 20:12:59,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372733209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:59,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84997785] [2024-11-27 20:12:59,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:59,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:59,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:59,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:59,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:12:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:59,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:59,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:12:59,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:12:59,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84997785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:59,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:59,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 20:12:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066454688] [2024-11-27 20:12:59,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:59,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:12:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:59,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:12:59,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:59,501 INFO L87 Difference]: Start difference. First operand 170 states and 188 transitions. Second operand has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:12:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:59,570 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2024-11-27 20:12:59,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:12:59,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 68 [2024-11-27 20:12:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:59,572 INFO L225 Difference]: With dead ends: 270 [2024-11-27 20:12:59,572 INFO L226 Difference]: Without dead ends: 269 [2024-11-27 20:12:59,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:59,575 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 394 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 20:12:59,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 394 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:59,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-27 20:12:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 214. [2024-11-27 20:12:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 186 states have (on average 1.2903225806451613) internal successors, (240), 207 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:12:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 250 transitions. [2024-11-27 20:12:59,592 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 250 transitions. Word has length 68 [2024-11-27 20:12:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:59,592 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 250 transitions. [2024-11-27 20:12:59,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:12:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 250 transitions. [2024-11-27 20:12:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-27 20:12:59,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:59,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:12:59,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 20:12:59,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 20:12:59,795 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:12:59,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1213046731, now seen corresponding path program 1 times [2024-11-27 20:12:59,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:59,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187818021] [2024-11-27 20:12:59,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:59,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-27 20:12:59,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:59,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187818021] [2024-11-27 20:12:59,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187818021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:59,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:59,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223722364] [2024-11-27 20:12:59,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:59,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:59,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:59,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:59,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:59,921 INFO L87 Difference]: Start difference. First operand 214 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:00,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:00,038 INFO L93 Difference]: Finished difference Result 214 states and 250 transitions. [2024-11-27 20:13:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:13:00,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-27 20:13:00,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:00,040 INFO L225 Difference]: With dead ends: 214 [2024-11-27 20:13:00,041 INFO L226 Difference]: Without dead ends: 209 [2024-11-27 20:13:00,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:13:00,042 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 64 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:00,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 28 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:00,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-27 20:13:00,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-27 20:13:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 186 states have (on average 1.2258064516129032) internal successors, (228), 202 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2024-11-27 20:13:00,058 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 81 [2024-11-27 20:13:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:00,058 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2024-11-27 20:13:00,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2024-11-27 20:13:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 20:13:00,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:00,060 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:13:00,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:13:00,063 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:00,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:00,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1050257057, now seen corresponding path program 1 times [2024-11-27 20:13:00,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:00,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135793109] [2024-11-27 20:13:00,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-27 20:13:00,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:00,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135793109] [2024-11-27 20:13:00,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135793109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:00,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:00,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:13:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248206205] [2024-11-27 20:13:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:00,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:13:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:00,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:13:00,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:13:00,211 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:00,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:00,310 INFO L93 Difference]: Finished difference Result 209 states and 238 transitions. [2024-11-27 20:13:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:13:00,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-27 20:13:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:00,312 INFO L225 Difference]: With dead ends: 209 [2024-11-27 20:13:00,312 INFO L226 Difference]: Without dead ends: 207 [2024-11-27 20:13:00,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:13:00,313 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:00,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 28 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-27 20:13:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-27 20:13:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 200 states have internal predecessors, (223), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 233 transitions. [2024-11-27 20:13:00,326 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 233 transitions. Word has length 82 [2024-11-27 20:13:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:00,326 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 233 transitions. [2024-11-27 20:13:00,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 233 transitions. [2024-11-27 20:13:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-27 20:13:00,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:00,328 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:13:00,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:13:00,328 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:00,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:00,329 INFO L85 PathProgramCache]: Analyzing trace with hash -20280989, now seen corresponding path program 1 times [2024-11-27 20:13:00,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:00,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53466911] [2024-11-27 20:13:00,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:00,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 20:13:00,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:00,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53466911] [2024-11-27 20:13:00,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53466911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:00,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684881148] [2024-11-27 20:13:00,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:00,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:00,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:00,498 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:00,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:13:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:00,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:13:00,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 20:13:00,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:00,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684881148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:00,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:13:00,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-11-27 20:13:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122642906] [2024-11-27 20:13:00,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:00,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:13:00,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:00,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:13:00,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:13:00,907 INFO L87 Difference]: Start difference. First operand 207 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:01,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:01,065 INFO L93 Difference]: Finished difference Result 207 states and 233 transitions. [2024-11-27 20:13:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:13:01,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-27 20:13:01,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:01,067 INFO L225 Difference]: With dead ends: 207 [2024-11-27 20:13:01,067 INFO L226 Difference]: Without dead ends: 196 [2024-11-27 20:13:01,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:13:01,068 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:01,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 40 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-27 20:13:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-27 20:13:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 179 states have (on average 1.1396648044692737) internal successors, (204), 189 states have internal predecessors, (204), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 214 transitions. [2024-11-27 20:13:01,085 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 214 transitions. Word has length 84 [2024-11-27 20:13:01,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:01,086 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 214 transitions. [2024-11-27 20:13:01,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 214 transitions. [2024-11-27 20:13:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-27 20:13:01,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:01,087 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:13:01,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:13:01,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:01,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:01,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash -628710599, now seen corresponding path program 1 times [2024-11-27 20:13:01,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:01,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420423240] [2024-11-27 20:13:01,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:01,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:13:01,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675486705] [2024-11-27 20:13:01,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:01,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:01,328 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:13:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:01,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:13:01,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:13:01,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:01,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:01,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420423240] [2024-11-27 20:13:01,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:01,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675486705] [2024-11-27 20:13:01,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675486705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:01,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:01,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:13:01,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101365392] [2024-11-27 20:13:01,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:01,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:13:01,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:01,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:13:01,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:01,569 INFO L87 Difference]: Start difference. First operand 196 states and 214 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:01,759 INFO L93 Difference]: Finished difference Result 196 states and 214 transitions. [2024-11-27 20:13:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:13:01,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 85 [2024-11-27 20:13:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:01,762 INFO L225 Difference]: With dead ends: 196 [2024-11-27 20:13:01,763 INFO L226 Difference]: Without dead ends: 187 [2024-11-27 20:13:01,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:01,764 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 44 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:01,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 79 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:13:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-27 20:13:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-27 20:13:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 172 states have (on average 1.0988372093023255) internal successors, (189), 180 states have internal predecessors, (189), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2024-11-27 20:13:01,786 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 85 [2024-11-27 20:13:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:01,787 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2024-11-27 20:13:01,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2024-11-27 20:13:01,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 20:13:01,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:01,788 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:13:01,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:01,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:01,989 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:01,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:01,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1984807973, now seen corresponding path program 1 times [2024-11-27 20:13:01,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:01,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017675099] [2024-11-27 20:13:01,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:13:02,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730297014] [2024-11-27 20:13:02,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:02,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:02,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:02,031 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:02,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:13:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:02,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:13:02,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:13:02,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:02,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017675099] [2024-11-27 20:13:02,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:02,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730297014] [2024-11-27 20:13:02,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730297014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:02,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:02,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 20:13:02,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915373754] [2024-11-27 20:13:02,404 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:02,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:13:02,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:02,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:13:02,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:02,406 INFO L87 Difference]: Start difference. First operand 187 states and 199 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:02,593 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2024-11-27 20:13:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:13:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 86 [2024-11-27 20:13:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:02,595 INFO L225 Difference]: With dead ends: 189 [2024-11-27 20:13:02,595 INFO L226 Difference]: Without dead ends: 179 [2024-11-27 20:13:02,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:02,596 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:02,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 80 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:13:02,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-27 20:13:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-27 20:13:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 164 states have (on average 1.0914634146341464) internal successors, (179), 172 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 189 transitions. [2024-11-27 20:13:02,628 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 189 transitions. Word has length 86 [2024-11-27 20:13:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:02,629 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 189 transitions. [2024-11-27 20:13:02,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:13:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 189 transitions. [2024-11-27 20:13:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 20:13:02,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:02,630 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-27 20:13:02,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:02,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:02,832 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:02,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:02,832 INFO L85 PathProgramCache]: Analyzing trace with hash -848138879, now seen corresponding path program 1 times [2024-11-27 20:13:02,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:02,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14406988] [2024-11-27 20:13:02,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:02,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:13:02,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922627536] [2024-11-27 20:13:02,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:02,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:02,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:02,880 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:02,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:13:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:02,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:13:02,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:13:03,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:13:03,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:03,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14406988] [2024-11-27 20:13:03,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:03,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922627536] [2024-11-27 20:13:03,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922627536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:13:03,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:13:03,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:13:03,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683806611] [2024-11-27 20:13:03,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:03,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:13:03,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:03,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:13:03,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:13:03,580 INFO L87 Difference]: Start difference. First operand 179 states and 189 transitions. Second operand has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:13:04,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:04,081 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2024-11-27 20:13:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:13:04,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 108 [2024-11-27 20:13:04,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:04,087 INFO L225 Difference]: With dead ends: 217 [2024-11-27 20:13:04,087 INFO L226 Difference]: Without dead ends: 214 [2024-11-27 20:13:04,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:13:04,089 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 234 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:04,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 230 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:13:04,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-27 20:13:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 186. [2024-11-27 20:13:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 172 states have (on average 1.0755813953488371) internal successors, (185), 179 states have internal predecessors, (185), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:13:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 195 transitions. [2024-11-27 20:13:04,105 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 195 transitions. Word has length 108 [2024-11-27 20:13:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:04,106 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 195 transitions. [2024-11-27 20:13:04,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:13:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 195 transitions. [2024-11-27 20:13:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-27 20:13:04,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:04,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-27 20:13:04,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:13:04,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 20:13:04,309 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:13:04,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash 982326787, now seen corresponding path program 1 times [2024-11-27 20:13:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:04,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110131963] [2024-11-27 20:13:04,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:13:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762332814] [2024-11-27 20:13:04,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:04,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:04,360 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:13:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:04,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 20:13:04,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:13:05,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:15:33,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110131963] [2024-11-27 20:15:33,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762332814] [2024-11-27 20:15:33,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762332814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:33,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:33,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2024-11-27 20:15:33,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852753663] [2024-11-27 20:15:33,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:33,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 20:15:33,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:33,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:15:33,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:15:33,185 INFO L87 Difference]: Start difference. First operand 186 states and 195 transitions. Second operand has 20 states, 19 states have (on average 10.368421052631579) internal successors, (197), 20 states have internal predecessors, (197), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:55,444 WARN L286 SmtUtils]: Spent 15.04s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:15:59,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:03,536 WARN L539 Checker$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 20:16:05,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:09,891 WARN L539 Checker$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 20:16:14,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:18,829 WARN L539 Checker$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 20:16:22,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:27,765 WARN L539 Checker$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 20:16:31,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:34,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:38,880 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 20:16:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:38,901 INFO L93 Difference]: Finished difference Result 188 states and 197 transitions. [2024-11-27 20:16:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:16:38,902 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.368421052631579) internal successors, (197), 20 states have internal predecessors, (197), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 110 [2024-11-27 20:16:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:38,903 INFO L225 Difference]: With dead ends: 188 [2024-11-27 20:16:38,903 INFO L226 Difference]: Without dead ends: 187 [2024-11-27 20:16:38,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 37.9s TimeCoverageRelationStatistics Valid=168, Invalid=383, Unknown=1, NotChecked=0, Total=552 [2024-11-27 20:16:38,904 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 237 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 18 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:38,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 265 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 796 Invalid, 9 Unknown, 0 Unchecked, 44.6s Time] [2024-11-27 20:16:38,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-27 20:16:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2024-11-27 20:16:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 172 states have (on average 1.063953488372093) internal successors, (183), 178 states have internal predecessors, (183), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:16:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 193 transitions. [2024-11-27 20:16:38,922 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 193 transitions. Word has length 110 [2024-11-27 20:16:38,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:38,923 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 193 transitions. [2024-11-27 20:16:38,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.368421052631579) internal successors, (197), 20 states have internal predecessors, (197), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:16:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2024-11-27 20:16:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:16:38,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:38,925 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, 3, 3, 3, 1, 1, 1] [2024-11-27 20:16:38,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:39,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:39,126 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:16:39,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:39,126 INFO L85 PathProgramCache]: Analyzing trace with hash 906631562, now seen corresponding path program 2 times [2024-11-27 20:16:39,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:39,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168383327] [2024-11-27 20:16:39,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:39,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:39,172 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:39,172 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:39,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417563226] [2024-11-27 20:16:39,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:39,179 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:39,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:16:39,260 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:39,260 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:39,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:16:39,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:16:39,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:16:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168383327] [2024-11-27 20:16:41,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417563226] [2024-11-27 20:16:41,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417563226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:16:41,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:16:41,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2024-11-27 20:16:41,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260926539] [2024-11-27 20:16:41,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:41,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 20:16:41,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:41,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:16:41,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:16:41,374 INFO L87 Difference]: Start difference. First operand 185 states and 193 transitions. Second operand has 20 states, 19 states have (on average 11.0) internal successors, (209), 20 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:16:44,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:16:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:46,394 INFO L93 Difference]: Finished difference Result 334 states and 364 transitions. [2024-11-27 20:16:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 20:16:46,395 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.0) internal successors, (209), 20 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 116 [2024-11-27 20:16:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:46,398 INFO L225 Difference]: With dead ends: 334 [2024-11-27 20:16:46,398 INFO L226 Difference]: Without dead ends: 332 [2024-11-27 20:16:46,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2024-11-27 20:16:46,400 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 393 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:46,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 433 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-27 20:16:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-27 20:16:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 295. [2024-11-27 20:16:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 279 states have (on average 1.0788530465949822) internal successors, (301), 285 states have internal predecessors, (301), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:16:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 317 transitions. [2024-11-27 20:16:46,438 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 317 transitions. Word has length 116 [2024-11-27 20:16:46,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:46,438 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 317 transitions. [2024-11-27 20:16:46,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.0) internal successors, (209), 20 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:16:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 317 transitions. [2024-11-27 20:16:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-27 20:16:46,442 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:46,442 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-27 20:16:46,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 20:16:46,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:46,647 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:16:46,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:46,647 INFO L85 PathProgramCache]: Analyzing trace with hash -856721006, now seen corresponding path program 2 times [2024-11-27 20:16:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:46,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201031304] [2024-11-27 20:16:46,648 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:46,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:46,699 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:46,703 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:46,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530438934] [2024-11-27 20:16:46,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:46,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:46,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:46,709 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:46,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:16:46,791 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:46,792 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:46,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:16:46,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:16:47,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:16:48,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:48,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201031304] [2024-11-27 20:16:48,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:48,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530438934] [2024-11-27 20:16:48,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530438934] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:48,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:48,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 16 [2024-11-27 20:16:48,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183852090] [2024-11-27 20:16:48,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:48,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:16:48,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:48,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:16:48,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:16:48,537 INFO L87 Difference]: Start difference. First operand 295 states and 317 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:16:48,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:48,932 INFO L93 Difference]: Finished difference Result 295 states and 317 transitions. [2024-11-27 20:16:48,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:16:48,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 124 [2024-11-27 20:16:48,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:48,935 INFO L225 Difference]: With dead ends: 295 [2024-11-27 20:16:48,935 INFO L226 Difference]: Without dead ends: 283 [2024-11-27 20:16:48,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:16:48,936 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 136 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:48,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 68 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:16:48,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-27 20:16:48,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-11-27 20:16:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 269 states have (on average 1.0557620817843867) internal successors, (284), 273 states have internal predecessors, (284), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:16:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 300 transitions. [2024-11-27 20:16:48,979 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 300 transitions. Word has length 124 [2024-11-27 20:16:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:48,980 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 300 transitions. [2024-11-27 20:16:48,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:16:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 300 transitions. [2024-11-27 20:16:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-27 20:16:48,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:48,982 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-27 20:16:48,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 20:16:49,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:49,187 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:16:49,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:49,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1358974331, now seen corresponding path program 2 times [2024-11-27 20:16:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:49,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646016164] [2024-11-27 20:16:49,187 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:49,222 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:49,222 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:49,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077466191] [2024-11-27 20:16:49,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:49,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:49,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:49,226 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:49,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:16:49,317 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:49,317 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:49,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:16:49,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:16:49,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:16:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646016164] [2024-11-27 20:16:50,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077466191] [2024-11-27 20:16:50,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077466191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:16:50,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:16:50,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-27 20:16:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549710014] [2024-11-27 20:16:50,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:50,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:16:50,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:50,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:16:50,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:16:50,163 INFO L87 Difference]: Start difference. First operand 283 states and 300 transitions. Second operand has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:16:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:51,017 INFO L93 Difference]: Finished difference Result 410 states and 429 transitions. [2024-11-27 20:16:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:16:51,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 158 [2024-11-27 20:16:51,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:51,020 INFO L225 Difference]: With dead ends: 410 [2024-11-27 20:16:51,020 INFO L226 Difference]: Without dead ends: 364 [2024-11-27 20:16:51,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:16:51,023 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 119 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:51,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 384 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:16:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-27 20:16:51,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 353. [2024-11-27 20:16:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 337 states have (on average 1.0415430267062316) internal successors, (351), 341 states have internal predecessors, (351), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:16:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2024-11-27 20:16:51,068 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 158 [2024-11-27 20:16:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:51,069 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2024-11-27 20:16:51,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:16:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2024-11-27 20:16:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-27 20:16:51,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:51,073 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-27 20:16:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:51,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 20:16:51,274 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:16:51,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1222253485, now seen corresponding path program 2 times [2024-11-27 20:16:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:51,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595058813] [2024-11-27 20:16:51,275 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:51,288 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:16:51,288 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-27 20:16:51,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:51,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595058813] [2024-11-27 20:16:51,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595058813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:51,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427977951] [2024-11-27 20:16:51,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:51,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:51,330 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:51,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:16:51,384 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:16:51,385 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:51,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:16:51,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-27 20:16:51,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-27 20:16:51,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427977951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:16:51,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:16:51,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 20:16:51,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117511050] [2024-11-27 20:16:51,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:51,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:16:51,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:51,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:16:51,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:16:51,930 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:16:52,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:52,005 INFO L93 Difference]: Finished difference Result 353 states and 371 transitions. [2024-11-27 20:16:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:16:52,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 176 [2024-11-27 20:16:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:52,008 INFO L225 Difference]: With dead ends: 353 [2024-11-27 20:16:52,008 INFO L226 Difference]: Without dead ends: 352 [2024-11-27 20:16:52,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:16:52,011 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 108 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:52,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 97 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:16:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-27 20:16:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-27 20:16:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 337 states have (on average 1.0237388724035608) internal successors, (345), 340 states have internal predecessors, (345), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:16:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 365 transitions. [2024-11-27 20:16:52,049 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 365 transitions. Word has length 176 [2024-11-27 20:16:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:52,049 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 365 transitions. [2024-11-27 20:16:52,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:16:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 365 transitions. [2024-11-27 20:16:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-27 20:16:52,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:52,054 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1] [2024-11-27 20:16:52,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:52,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:52,255 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-27 20:16:52,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash 254455649, now seen corresponding path program 3 times [2024-11-27 20:16:52,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:52,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721677949] [2024-11-27 20:16:52,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:16:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:52,372 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 20:16:52,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 927 proven. 17 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 20:16:54,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:54,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721677949] [2024-11-27 20:16:54,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721677949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:54,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760938132] [2024-11-27 20:16:54,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:16:54,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:54,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:54,054 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:54,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:16:54,484 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 20:16:54,484 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:54,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:16:54,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 1048 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:16:55,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 936 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 20:16:55,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760938132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:16:55,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:16:55,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19, 20] total 30 [2024-11-27 20:16:55,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642627583] [2024-11-27 20:16:55,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:55,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-27 20:16:55,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:55,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-27 20:16:55,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-11-27 20:16:55,714 INFO L87 Difference]: Start difference. First operand 352 states and 365 transitions. Second operand has 30 states, 30 states have (on average 12.933333333333334) internal successors, (388), 30 states have internal predecessors, (388), 11 states have call successors, (19), 9 states have call predecessors, (19), 9 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) [2024-11-27 20:16:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:55,986 INFO L93 Difference]: Finished difference Result 372 states and 380 transitions. [2024-11-27 20:16:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:16:55,987 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 12.933333333333334) internal successors, (388), 30 states have internal predecessors, (388), 11 states have call successors, (19), 9 states have call predecessors, (19), 9 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) Word has length 296 [2024-11-27 20:16:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:55,988 INFO L225 Difference]: With dead ends: 372 [2024-11-27 20:16:55,988 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:16:55,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 575 SyntacticMatches, 11 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=460, Invalid=1022, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 20:16:55,990 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 17 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:55,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1379 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:16:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:16:55,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:16:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:16:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:16:55,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2024-11-27 20:16:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:55,991 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:16:55,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 12.933333333333334) internal successors, (388), 30 states have internal predecessors, (388), 11 states have call successors, (19), 9 states have call predecessors, (19), 9 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) [2024-11-27 20:16:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:16:55,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:16:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2024-11-27 20:16:55,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2024-11-27 20:16:55,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2024-11-27 20:16:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2024-11-27 20:16:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2024-11-27 20:16:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2024-11-27 20:16:56,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:56,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-27 20:16:56,203 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:56,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:16:56,849 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:16:56,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:16:56 BoogieIcfgContainer [2024-11-27 20:16:56,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:16:56,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:16:56,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:16:56,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:16:56,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:49" (3/4) ... [2024-11-27 20:16:56,892 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:16:56,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-27 20:16:56,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-27 20:16:56,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 20:16:56,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:16:56,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:16:57,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:16:57,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:16:57,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:16:57,037 INFO L158 Benchmark]: Toolchain (without parser) took 248768.64ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.0MB in the beginning and 83.1MB in the end (delta: 45.9MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-27 20:16:57,037 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:57,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.72ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 117.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:16:57,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.32ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 116.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:57,038 INFO L158 Benchmark]: Boogie Preprocessor took 48.58ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:57,039 INFO L158 Benchmark]: RCFGBuilder took 691.75ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 96.6MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:16:57,039 INFO L158 Benchmark]: TraceAbstraction took 247447.16ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.9MB in the beginning and 89.5MB in the end (delta: 6.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-27 20:16:57,041 INFO L158 Benchmark]: Witness Printer took 148.97ms. Allocated memory is still 201.3MB. Free memory was 89.5MB in the beginning and 83.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:16:57,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.72ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 117.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.32ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 116.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.58ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.75ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 96.6MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 247447.16ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.9MB in the beginning and 89.5MB in the end (delta: 6.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 148.97ms. Allocated memory is still 201.3MB. Free memory was 89.5MB in the beginning and 83.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 246.7s, OverallIterations: 28, TraceHistogramMax: 9, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 77.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 2513 SdHoareTripleChecker+Valid, 54.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2495 mSDsluCounter, 5747 SdHoareTripleChecker+Invalid, 53.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4091 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5914 IncrementalHoareTripleChecker+Invalid, 6124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 1656 mSDtfsCounter, 5914 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3129 GetRequests, 2915 SyntacticMatches, 12 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 41.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=26, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 28 MinimizatonAttempts, 270 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 161.9s InterpolantComputationTime, 3794 NumberOfCodeBlocks, 3506 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3973 ConstructedInterpolants, 0 QuantifiedInterpolants, 24751 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2714 ConjunctsInSsa, 158 ConjunctsInUnsatCore, 44 InterpolantComputations, 17 PerfectInterpolantSequences, 4735/6224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 46 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((k <= 32767) && (c <= 9223372036854775806)) && (counter == 5)) && (1 <= c)) && (((__int128) y * y) <= x)) && (2 <= y)) && (x <= 1537228672809129301)) && ((((((__int128) y * y) * y) + ((__int128) y * 48)) + (12 * ((__int128) y * y))) <= 4611686018427387839)) || ((((((((k <= 32767) && (y == 4)) && (c <= 9223372036854775806)) && (1 <= c)) && (counter <= 5)) && (x <= 1537228672809129301)) && (4 <= counter)) && (16 <= x))) || (((((((k <= 32767) && (c <= 9223372036854775806)) && (1 <= c)) && (3 == y)) && (counter <= 5)) && (14 == x)) && (3 <= counter))) || ((((((k <= 32767) && (c == 1)) && (x == 1)) && (1 <= counter)) && (y == 1)) && (counter <= 5))) || (((((c == 0) && (k <= 32767)) && (y == 0)) && (counter == 0)) && (x == 0))) || (((((((5 == x) && (2 <= counter)) && (k <= 32767)) && (1 <= c)) && (2 == y)) && (counter <= 5)) && (c <= 9223372036854775805))) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:16:57,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca7e1c1-f935-4e63-abc5-0b8183ec0e47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE