./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --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_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1 --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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:27:33,837 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:27:33,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 15:27:33,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:27:33,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:27:33,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:27:33,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:27:33,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:27:33,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:27:33,919 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:27:33,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:27:33,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:27:33,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:27:33,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:27:33,920 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:27:33,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:27:33,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:27:33,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:27:33,922 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:33,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:27:33,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:33,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:27:33,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:27:33,923 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_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1
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 -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034
[2024-12-02 15:27:34,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:27:34,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:27:34,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:27:34,169 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:27:34,169 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:27:34,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i
[2024-12-02 15:27:36,819 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/data/efd7d6993/6764cdae7729485a871889b32d523d66/FLAG18bed4f73
[2024-12-02 15:27:37,079 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:27:37,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i
[2024-12-02 15:27:37,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/data/efd7d6993/6764cdae7729485a871889b32d523d66/FLAG18bed4f73
[2024-12-02 15:27:37,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/data/efd7d6993/6764cdae7729485a871889b32d523d66
[2024-12-02 15:27:37,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:27:37,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:27:37,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:27:37,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:27:37,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:27:37,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479696cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37, skipping insertion in model container
[2024-12-02 15:27:37,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,134 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:27:37,355 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:27:37,362 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:27:37,399 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:27:37,420 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:27:37,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37 WrapperNode
[2024-12-02 15:27:37,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:27:37,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:27:37,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:27:37,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:27:37,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,454 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150
[2024-12-02 15:27:37,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:27:37,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:27:37,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:27:37,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:27:37,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,482 INFO L175 MemorySlicer]: Split 15 memory accesses to 2 slices as follows [2, 13]. 87 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 8 writes are split as follows [0, 8].
[2024-12-02 15:27:37,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,490 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:27:37,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:27:37,500 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:27:37,500 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:27:37,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (1/1) ...
[2024-12-02 15:27:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:37,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:37,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:27:37,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure node_create
[2024-12-02 15:27:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 15:27:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 15:27:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:27:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:27:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 15:27:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:27:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:27:37,656 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:27:37,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:27:37,884 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live.
[2024-12-02 15:27:37,884 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:27:37,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:27:37,895 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-12-02 15:27:37,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:37 BoogieIcfgContainer
[2024-12-02 15:27:37,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:27:37,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:27:37,898 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:27:37,901 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:27:37,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:27:37" (1/3) ...
[2024-12-02 15:27:37,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762fb8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:27:37, skipping insertion in model container
[2024-12-02 15:27:37,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:37" (2/3) ...
[2024-12-02 15:27:37,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762fb8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:27:37, skipping insertion in model container
[2024-12-02 15:27:37,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:37" (3/3) ...
[2024-12-02 15:27:37,903 INFO L128 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i
[2024-12-02 15:27:37,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:27:37,915 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dll2c_update_all_reverse.i that has 2 procedures, 76 locations, 1 initial locations, 6 loop locations, and 18 error locations.
[2024-12-02 15:27:37,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:27:37,964 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;@4e812120, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:27:37,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2024-12-02 15:27:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 54 states have (on average 1.6481481481481481) internal successors, (89), 72 states have internal predecessors, (89), 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)
[2024-12-02 15:27:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 15:27:37,972 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:37,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:37,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:37,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:37,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1976404858, now seen corresponding path program 1 times
[2024-12-02 15:27:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510191121]
[2024-12-02 15:27:37,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:27:38,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:38,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510191121]
[2024-12-02 15:27:38,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510191121] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:38,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:38,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:38,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816248258]
[2024-12-02 15:27:38,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:38,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:27:38,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:38,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:27:38,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:27:38,275 INFO L87 Difference]: Start difference. First operand has 76 states, 54 states have (on average 1.6481481481481481) internal successors, (89), 72 states have internal predecessors, (89), 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 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-12-02 15:27:38,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:38,307 INFO L93 Difference]: Finished difference Result 137 states and 170 transitions.
[2024-12-02 15:27:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:27:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13
[2024-12-02 15:27:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:38,313 INFO L225 Difference]: With dead ends: 137
[2024-12-02 15:27:38,313 INFO L226 Difference]: Without dead ends: 68
[2024-12-02 15:27:38,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:27:38,318 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 4 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:38,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 158 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-12-02 15:27:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64.
[2024-12-02 15:27:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 60 states have internal predecessors, (66), 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)
[2024-12-02 15:27:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions.
[2024-12-02 15:27:38,351 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 13
[2024-12-02 15:27:38,351 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:38,351 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions.
[2024-12-02 15:27:38,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-12-02 15:27:38,352 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions.
[2024-12-02 15:27:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 15:27:38,353 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:38,353 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:38,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:27:38,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:38,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:38,354 INFO L85 PathProgramCache]: Analyzing trace with hash -456849503, now seen corresponding path program 1 times
[2024-12-02 15:27:38,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:38,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790447438]
[2024-12-02 15:27:38,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:38,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:27:38,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:38,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790447438]
[2024-12-02 15:27:38,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790447438] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:38,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:38,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:38,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445311195]
[2024-12-02 15:27:38,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:38,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:38,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:38,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:38,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:38,508 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:38,539 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions.
[2024-12-02 15:27:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:38,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20
[2024-12-02 15:27:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:38,540 INFO L225 Difference]: With dead ends: 71
[2024-12-02 15:27:38,540 INFO L226 Difference]: Without dead ends: 70
[2024-12-02 15:27:38,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:38,541 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:38,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 184 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:38,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-12-02 15:27:38,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69.
[2024-12-02 15:27:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 64 states have internal predecessors, (71), 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)
[2024-12-02 15:27:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions.
[2024-12-02 15:27:38,548 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 20
[2024-12-02 15:27:38,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:38,548 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions.
[2024-12-02 15:27:38,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions.
[2024-12-02 15:27:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 15:27:38,549 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:38,549 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:38,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:27:38,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:38,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1277432649, now seen corresponding path program 1 times
[2024-12-02 15:27:38,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:38,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003244535]
[2024-12-02 15:27:38,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:27:38,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:38,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003244535]
[2024-12-02 15:27:38,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003244535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:38,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:38,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:38,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095606457]
[2024-12-02 15:27:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:38,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:38,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:38,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:38,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:38,668 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:38,699 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions.
[2024-12-02 15:27:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:38,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21
[2024-12-02 15:27:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:38,700 INFO L225 Difference]: With dead ends: 71
[2024-12-02 15:27:38,701 INFO L226 Difference]: Without dead ends: 70
[2024-12-02 15:27:38,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:38,702 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:38,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 186 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-12-02 15:27:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2024-12-02 15:27:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.5) internal successors, (72), 65 states have internal predecessors, (72), 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)
[2024-12-02 15:27:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions.
[2024-12-02 15:27:38,708 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 21
[2024-12-02 15:27:38,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:38,709 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions.
[2024-12-02 15:27:38,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions.
[2024-12-02 15:27:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 15:27:38,709 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:38,709 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]
[2024-12-02 15:27:38,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:27:38,710 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:38,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1445771723, now seen corresponding path program 1 times
[2024-12-02 15:27:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721601783]
[2024-12-02 15:27:38,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:38,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:38,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:38,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721601783]
[2024-12-02 15:27:38,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721601783] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:38,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:38,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:27:38,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774903963]
[2024-12-02 15:27:38,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:38,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:27:38,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:38,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:27:38,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:27:38,789 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:38,824 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions.
[2024-12-02 15:27:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:27:38,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-12-02 15:27:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:38,826 INFO L225 Difference]: With dead ends: 70
[2024-12-02 15:27:38,826 INFO L226 Difference]: Without dead ends: 66
[2024-12-02 15:27:38,826 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
[2024-12-02 15:27:38,827 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 41 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:38,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 60 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-02 15:27:38,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-12-02 15:27:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 61 states have internal predecessors, (68), 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)
[2024-12-02 15:27:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions.
[2024-12-02 15:27:38,833 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 25
[2024-12-02 15:27:38,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:38,834 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions.
[2024-12-02 15:27:38,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions.
[2024-12-02 15:27:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 15:27:38,835 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:38,835 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]
[2024-12-02 15:27:38,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:27:38,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:38,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1053421340, now seen corresponding path program 1 times
[2024-12-02 15:27:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:38,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617099805]
[2024-12-02 15:27:38,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:38,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:38,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:38,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617099805]
[2024-12-02 15:27:38,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617099805] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:38,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:38,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012659355]
[2024-12-02 15:27:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:38,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:38,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:38,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:38,904 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:38,964 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions.
[2024-12-02 15:27:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:38,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28
[2024-12-02 15:27:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:38,966 INFO L225 Difference]: With dead ends: 66
[2024-12-02 15:27:38,966 INFO L226 Difference]: Without dead ends: 64
[2024-12-02 15:27:38,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:27:38,967 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 70 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:38,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 84 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:38,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-12-02 15:27:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-12-02 15:27:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.375) internal successors, (66), 59 states have internal predecessors, (66), 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)
[2024-12-02 15:27:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions.
[2024-12-02 15:27:38,975 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 28
[2024-12-02 15:27:38,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:38,976 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions.
[2024-12-02 15:27:38,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions.
[2024-12-02 15:27:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-12-02 15:27:38,977 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:38,977 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]
[2024-12-02 15:27:38,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:27:38,977 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:38,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:38,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1703676749, now seen corresponding path program 1 times
[2024-12-02 15:27:38,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:38,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599002021]
[2024-12-02 15:27:38,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:38,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:39,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:39,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599002021]
[2024-12-02 15:27:39,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599002021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:39,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:39,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:39,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558959007]
[2024-12-02 15:27:39,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:39,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:39,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:39,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:39,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:39,059 INFO L87 Difference]: Start difference. First operand 64 states and 72 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:39,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:39,118 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions.
[2024-12-02 15:27:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:39,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29
[2024-12-02 15:27:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:39,120 INFO L225 Difference]: With dead ends: 89
[2024-12-02 15:27:39,120 INFO L226 Difference]: Without dead ends: 87
[2024-12-02 15:27:39,120 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
[2024-12-02 15:27:39,121 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 62 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:39,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 98 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:39,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-12-02 15:27:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70.
[2024-12-02 15:27:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 65 states have internal predecessors, (73), 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)
[2024-12-02 15:27:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions.
[2024-12-02 15:27:39,129 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 29
[2024-12-02 15:27:39,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:39,130 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions.
[2024-12-02 15:27:39,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions.
[2024-12-02 15:27:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 15:27:39,131 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:39,131 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:39,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 15:27:39,131 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:39,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:39,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2798544, now seen corresponding path program 1 times
[2024-12-02 15:27:39,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:39,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101537264]
[2024-12-02 15:27:39,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:39,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-12-02 15:27:39,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:39,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101537264]
[2024-12-02 15:27:39,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101537264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:39,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:39,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:39,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512797759]
[2024-12-02 15:27:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:39,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:39,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:39,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:39,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:39,211 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 15:27:39,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:39,234 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions.
[2024-12-02 15:27:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32
[2024-12-02 15:27:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:39,235 INFO L225 Difference]: With dead ends: 70
[2024-12-02 15:27:39,235 INFO L226 Difference]: Without dead ends: 69
[2024-12-02 15:27:39,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:39,236 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 3 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:39,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 160 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2024-12-02 15:27:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2024-12-02 15:27:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 64 states have internal predecessors, (72), 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)
[2024-12-02 15:27:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 78 transitions.
[2024-12-02 15:27:39,243 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 78 transitions. Word has length 32
[2024-12-02 15:27:39,243 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:39,243 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 78 transitions.
[2024-12-02 15:27:39,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 15:27:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions.
[2024-12-02 15:27:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 15:27:39,244 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:39,244 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:39,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 15:27:39,245 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:39,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash -86754808, now seen corresponding path program 1 times
[2024-12-02 15:27:39,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:39,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330548209]
[2024-12-02 15:27:39,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:39,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 15:27:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330548209]
[2024-12-02 15:27:39,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330548209] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119602920]
[2024-12-02 15:27:39,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:39,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:39,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:39,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:39,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:27:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:39,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:39,501 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:27:39,548 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:27:39,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119602920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:39,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:27:39,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6
[2024-12-02 15:27:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466244238]
[2024-12-02 15:27:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:39,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:27:39,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:39,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:27:39,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:39,550 INFO L87 Difference]: Start difference. First operand 69 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 15:27:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:39,574 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions.
[2024-12-02 15:27:39,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:27:39,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33
[2024-12-02 15:27:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:39,575 INFO L225 Difference]: With dead ends: 120
[2024-12-02 15:27:39,575 INFO L226 Difference]: Without dead ends: 62
[2024-12-02 15:27:39,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:39,576 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:39,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:39,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-12-02 15:27:39,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-12-02 15:27:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 58 states have internal predecessors, (64), 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)
[2024-12-02 15:27:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2024-12-02 15:27:39,583 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 33
[2024-12-02 15:27:39,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:39,583 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2024-12-02 15:27:39,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 15:27:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2024-12-02 15:27:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 15:27:39,584 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:39,584 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]
[2024-12-02 15:27:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:27:39,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-12-02 15:27:39,785 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:39,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash -605408092, now seen corresponding path program 1 times
[2024-12-02 15:27:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:39,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73103221]
[2024-12-02 15:27:39,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:39,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:39,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:39,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73103221]
[2024-12-02 15:27:39,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73103221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:39,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:39,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264868966]
[2024-12-02 15:27:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:39,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:39,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:39,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:39,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:39,886 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:39,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:39,906 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions.
[2024-12-02 15:27:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:39,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32
[2024-12-02 15:27:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:39,907 INFO L225 Difference]: With dead ends: 62
[2024-12-02 15:27:39,907 INFO L226 Difference]: Without dead ends: 61
[2024-12-02 15:27:39,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:39,908 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:39,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 162 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:39,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-12-02 15:27:39,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-12-02 15:27:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 57 states have internal predecessors, (63), 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)
[2024-12-02 15:27:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions.
[2024-12-02 15:27:39,915 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 32
[2024-12-02 15:27:39,915 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:39,915 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions.
[2024-12-02 15:27:39,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions.
[2024-12-02 15:27:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 15:27:39,916 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:39,916 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]
[2024-12-02 15:27:39,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 15:27:39,917 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:39,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1587781575, now seen corresponding path program 1 times
[2024-12-02 15:27:39,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:39,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290196448]
[2024-12-02 15:27:39,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:27:40,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:40,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290196448]
[2024-12-02 15:27:40,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290196448] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:40,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092189784]
[2024-12-02 15:27:40,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:40,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:40,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:27:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:40,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:40,278 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:40,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:27:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092189784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:40,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:27:40,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6
[2024-12-02 15:27:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889278230]
[2024-12-02 15:27:40,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:40,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:27:40,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:40,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:27:40,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:27:40,330 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:40,435 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions.
[2024-12-02 15:27:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:27:40,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33
[2024-12-02 15:27:40,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:40,436 INFO L225 Difference]: With dead ends: 77
[2024-12-02 15:27:40,436 INFO L226 Difference]: Without dead ends: 76
[2024-12-02 15:27:40,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:27:40,437 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 80 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:40,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 168 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:27:40,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-12-02 15:27:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65.
[2024-12-02 15:27:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 61 states have internal predecessors, (68), 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)
[2024-12-02 15:27:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions.
[2024-12-02 15:27:40,445 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 33
[2024-12-02 15:27:40,445 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:40,445 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions.
[2024-12-02 15:27:40,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions.
[2024-12-02 15:27:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 15:27:40,446 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:40,446 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]
[2024-12-02 15:27:40,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:27:40,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 15:27:40,650 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:40,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1587714049, now seen corresponding path program 1 times
[2024-12-02 15:27:40,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:40,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889719990]
[2024-12-02 15:27:40,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:40,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:40,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889719990]
[2024-12-02 15:27:40,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889719990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:40,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:40,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942278432]
[2024-12-02 15:27:40,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:40,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:40,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:40,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:40,738 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:40,772 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions.
[2024-12-02 15:27:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:40,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33
[2024-12-02 15:27:40,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:40,774 INFO L225 Difference]: With dead ends: 65
[2024-12-02 15:27:40,774 INFO L226 Difference]: Without dead ends: 64
[2024-12-02 15:27:40,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:40,774 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 17 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:40,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 120 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-12-02 15:27:40,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-12-02 15:27:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 60 states have internal predecessors, (67), 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)
[2024-12-02 15:27:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions.
[2024-12-02 15:27:40,782 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 33
[2024-12-02 15:27:40,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:40,782 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions.
[2024-12-02 15:27:40,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions.
[2024-12-02 15:27:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 15:27:40,783 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:40,783 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]
[2024-12-02 15:27:40,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 15:27:40,783 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:40,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1974495160, now seen corresponding path program 1 times
[2024-12-02 15:27:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:40,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482344222]
[2024-12-02 15:27:40,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:40,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:40,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482344222]
[2024-12-02 15:27:40,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482344222] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:40,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:40,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:27:40,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674751251]
[2024-12-02 15:27:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:40,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:27:40,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:40,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:27:40,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:40,900 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:40,951 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions.
[2024-12-02 15:27:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:27:40,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34
[2024-12-02 15:27:40,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:40,952 INFO L225 Difference]: With dead ends: 73
[2024-12-02 15:27:40,953 INFO L226 Difference]: Without dead ends: 71
[2024-12-02 15:27:40,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:27:40,953 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 60 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:40,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 120 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:40,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-12-02 15:27:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 62.
[2024-12-02 15:27:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 58 states have internal predecessors, (65), 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)
[2024-12-02 15:27:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions.
[2024-12-02 15:27:40,960 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 34
[2024-12-02 15:27:40,961 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:40,961 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions.
[2024-12-02 15:27:40,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions.
[2024-12-02 15:27:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-12-02 15:27:40,961 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:40,961 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]
[2024-12-02 15:27:40,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 15:27:40,962 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:40,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:40,962 INFO L85 PathProgramCache]: Analyzing trace with hash 388759266, now seen corresponding path program 1 times
[2024-12-02 15:27:40,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:40,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797837625]
[2024-12-02 15:27:40,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:40,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:41,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797837625]
[2024-12-02 15:27:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797837625] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:41,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:41,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:27:41,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788647911]
[2024-12-02 15:27:41,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:41,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:41,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:41,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:41,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:41,061 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:41,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:41,108 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions.
[2024-12-02 15:27:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:41,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35
[2024-12-02 15:27:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:41,109 INFO L225 Difference]: With dead ends: 95
[2024-12-02 15:27:41,109 INFO L226 Difference]: Without dead ends: 73
[2024-12-02 15:27:41,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:41,110 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 56 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:41,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 89 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-12-02 15:27:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62.
[2024-12-02 15:27:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 58 states have internal predecessors, (64), 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)
[2024-12-02 15:27:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2024-12-02 15:27:41,118 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 35
[2024-12-02 15:27:41,118 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:41,118 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2024-12-02 15:27:41,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2024-12-02 15:27:41,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 15:27:41,119 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:41,119 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 15:27:41,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 15:27:41,119 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:41,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1634801320, now seen corresponding path program 1 times
[2024-12-02 15:27:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:41,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546288037]
[2024-12-02 15:27:41,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546288037]
[2024-12-02 15:27:41,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546288037] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:41,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:41,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:27:41,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365982]
[2024-12-02 15:27:41,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:41,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:27:41,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:41,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:27:41,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:27:41,268 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:41,335 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions.
[2024-12-02 15:27:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:27:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41
[2024-12-02 15:27:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:41,337 INFO L225 Difference]: With dead ends: 108
[2024-12-02 15:27:41,337 INFO L226 Difference]: Without dead ends: 74
[2024-12-02 15:27:41,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:41,337 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 56 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:41,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 116 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-12-02 15:27:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 63.
[2024-12-02 15:27:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 59 states have internal predecessors, (65), 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)
[2024-12-02 15:27:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions.
[2024-12-02 15:27:41,343 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 41
[2024-12-02 15:27:41,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:41,344 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions.
[2024-12-02 15:27:41,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions.
[2024-12-02 15:27:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-12-02 15:27:41,344 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:41,344 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 15:27:41,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 15:27:41,345 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:41,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:41,345 INFO L85 PathProgramCache]: Analyzing trace with hash -391747282, now seen corresponding path program 1 times
[2024-12-02 15:27:41,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:41,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227457738]
[2024-12-02 15:27:41,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:41,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:41,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227457738]
[2024-12-02 15:27:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227457738] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:41,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304272365]
[2024-12-02 15:27:41,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:41,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:41,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 15:27:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:41,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:41,697 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 15:27:41,751 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:27:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 15:27:41,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304272365] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:27:41,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:27:41,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 10
[2024-12-02 15:27:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710600403]
[2024-12-02 15:27:41,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:27:41,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 15:27:41,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:41,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 15:27:41,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:27:41,837 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:42,003 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions.
[2024-12-02 15:27:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 15:27:42,003 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45
[2024-12-02 15:27:42,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:42,003 INFO L225 Difference]: With dead ends: 104
[2024-12-02 15:27:42,004 INFO L226 Difference]: Without dead ends: 70
[2024-12-02 15:27:42,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272
[2024-12-02 15:27:42,004 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 63 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:42,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 240 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:27:42,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-12-02 15:27:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 59.
[2024-12-02 15:27:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 55 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)
[2024-12-02 15:27:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions.
[2024-12-02 15:27:42,009 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 45
[2024-12-02 15:27:42,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:42,009 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions.
[2024-12-02 15:27:42,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions.
[2024-12-02 15:27:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-12-02 15:27:42,010 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:42,010 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, 1, 1, 1, 1]
[2024-12-02 15:27:42,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 15:27:42,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:42,210 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:42,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:42,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1273520489, now seen corresponding path program 1 times
[2024-12-02 15:27:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638564843]
[2024-12-02 15:27:42,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-02 15:27:42,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:42,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638564843]
[2024-12-02 15:27:42,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638564843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:42,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:42,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:42,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294643998]
[2024-12-02 15:27:42,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:42,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:42,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:42,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:42,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:42,267 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:42,280 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions.
[2024-12-02 15:27:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:42,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47
[2024-12-02 15:27:42,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:42,282 INFO L225 Difference]: With dead ends: 59
[2024-12-02 15:27:42,282 INFO L226 Difference]: Without dead ends: 58
[2024-12-02 15:27:42,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:42,282 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:42,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 147 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:42,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 15:27:42,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-02 15:27:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 54 states have internal predecessors, (59), 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)
[2024-12-02 15:27:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions.
[2024-12-02 15:27:42,286 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 47
[2024-12-02 15:27:42,287 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:42,287 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions.
[2024-12-02 15:27:42,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions.
[2024-12-02 15:27:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-02 15:27:42,287 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:42,287 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, 1, 1, 1, 1, 1]
[2024-12-02 15:27:42,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 15:27:42,288 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:42,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:42,288 INFO L85 PathProgramCache]: Analyzing trace with hash -824429358, now seen corresponding path program 1 times
[2024-12-02 15:27:42,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:42,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597512189]
[2024-12-02 15:27:42,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:42,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:27:42,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:42,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597512189]
[2024-12-02 15:27:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597512189] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:42,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646102041]
[2024-12-02 15:27:42,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:42,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:42,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:42,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 15:27:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:42,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:42,596 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 15:27:42,652 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:27:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 15:27:42,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646102041] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:27:42,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:27:42,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7
[2024-12-02 15:27:42,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298719329]
[2024-12-02 15:27:42,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:27:42,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:27:42,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:42,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:27:42,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:27:42,710 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:42,785 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions.
[2024-12-02 15:27:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 15:27:42,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48
[2024-12-02 15:27:42,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:42,786 INFO L225 Difference]: With dead ends: 92
[2024-12-02 15:27:42,786 INFO L226 Difference]: Without dead ends: 71
[2024-12-02 15:27:42,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:27:42,787 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 92 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:42,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 134 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:42,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-12-02 15:27:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63.
[2024-12-02 15:27:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 59 states have internal predecessors, (64), 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)
[2024-12-02 15:27:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions.
[2024-12-02 15:27:42,792 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 48
[2024-12-02 15:27:42,792 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:42,792 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions.
[2024-12-02 15:27:42,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions.
[2024-12-02 15:27:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-12-02 15:27:42,793 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:42,793 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, 1, 1, 1, 1, 1]
[2024-12-02 15:27:42,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-02 15:27:42,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 15:27:42,994 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:42,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1991108349, now seen corresponding path program 2 times
[2024-12-02 15:27:42,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:42,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188109583]
[2024-12-02 15:27:42,994 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:27:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:43,017 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 15:27:43,017 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:43,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188109583]
[2024-12-02 15:27:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188109583] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:43,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:43,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:27:43,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718148247]
[2024-12-02 15:27:43,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:43,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:27:43,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:43,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:27:43,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:43,071 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:43,143 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions.
[2024-12-02 15:27:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:27:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 56
[2024-12-02 15:27:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:43,144 INFO L225 Difference]: With dead ends: 71
[2024-12-02 15:27:43,144 INFO L226 Difference]: Without dead ends: 70
[2024-12-02 15:27:43,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:27:43,145 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 35 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:43,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 147 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:27:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-12-02 15:27:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67.
[2024-12-02 15:27:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.15) internal successors, (69), 63 states have internal predecessors, (69), 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)
[2024-12-02 15:27:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions.
[2024-12-02 15:27:43,150 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 56
[2024-12-02 15:27:43,150 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:43,150 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions.
[2024-12-02 15:27:43,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions.
[2024-12-02 15:27:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-12-02 15:27:43,151 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:43,151 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, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:43,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 15:27:43,151 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:43,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:43,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1592723126, now seen corresponding path program 1 times
[2024-12-02 15:27:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605619888]
[2024-12-02 15:27:43,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:43,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:43,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605619888]
[2024-12-02 15:27:43,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605619888] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:43,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:43,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:27:43,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306644825]
[2024-12-02 15:27:43,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:43,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:27:43,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:43,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:27:43,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:43,207 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:43,233 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions.
[2024-12-02 15:27:43,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:27:43,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57
[2024-12-02 15:27:43,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:43,234 INFO L225 Difference]: With dead ends: 67
[2024-12-02 15:27:43,234 INFO L226 Difference]: Without dead ends: 66
[2024-12-02 15:27:43,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:27:43,235 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 14 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:43,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 110 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-02 15:27:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-12-02 15:27:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 62 states have internal predecessors, (68), 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)
[2024-12-02 15:27:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions.
[2024-12-02 15:27:43,238 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 57
[2024-12-02 15:27:43,238 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:43,238 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions.
[2024-12-02 15:27:43,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions.
[2024-12-02 15:27:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-12-02 15:27:43,239 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:43,239 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, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:43,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 15:27:43,239 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:43,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:43,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2129776498, now seen corresponding path program 1 times
[2024-12-02 15:27:43,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:43,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784150055]
[2024-12-02 15:27:43,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:43,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784150055]
[2024-12-02 15:27:43,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784150055] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:43,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:43,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:27:43,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22220807]
[2024-12-02 15:27:43,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:43,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:27:43,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:43,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:27:43,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:27:43,343 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:43,398 INFO L93 Difference]: Finished difference Result 94 states and 106 transitions.
[2024-12-02 15:27:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:27:43,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58
[2024-12-02 15:27:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:43,399 INFO L225 Difference]: With dead ends: 94
[2024-12-02 15:27:43,399 INFO L226 Difference]: Without dead ends: 79
[2024-12-02 15:27:43,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:43,400 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:43,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 161 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-12-02 15:27:43,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77.
[2024-12-02 15:27:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 73 states have internal predecessors, (82), 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)
[2024-12-02 15:27:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions.
[2024-12-02 15:27:43,406 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 58
[2024-12-02 15:27:43,406 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:43,407 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions.
[2024-12-02 15:27:43,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions.
[2024-12-02 15:27:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-12-02 15:27:43,407 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:43,407 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:43,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 15:27:43,407 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:43,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:43,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1380327240, now seen corresponding path program 1 times
[2024-12-02 15:27:43,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:43,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87657929]
[2024-12-02 15:27:43,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:43,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87657929]
[2024-12-02 15:27:43,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87657929] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:43,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:27:43,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:27:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425928716]
[2024-12-02 15:27:43,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:43,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:27:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:43,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:27:43,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:27:43,497 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:43,555 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions.
[2024-12-02 15:27:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:27:43,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 61
[2024-12-02 15:27:43,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:43,556 INFO L225 Difference]: With dead ends: 90
[2024-12-02 15:27:43,556 INFO L226 Difference]: Without dead ends: 80
[2024-12-02 15:27:43,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:27:43,557 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:43,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 95 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-12-02 15:27:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77.
[2024-12-02 15:27:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 73 states have internal predecessors, (81), 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)
[2024-12-02 15:27:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions.
[2024-12-02 15:27:43,562 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 61
[2024-12-02 15:27:43,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:43,562 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions.
[2024-12-02 15:27:43,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions.
[2024-12-02 15:27:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-12-02 15:27:43,563 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:43,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:43,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 15:27:43,563 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:43,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash -975235692, now seen corresponding path program 1 times
[2024-12-02 15:27:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:43,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725049851]
[2024-12-02 15:27:43,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:43,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:43,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:43,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725049851]
[2024-12-02 15:27:43,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725049851] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:43,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910204849]
[2024-12-02 15:27:43,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:43,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:43,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:43,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:43,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 15:27:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:43,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:43,951 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 15:27:44,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:27:44,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910204849] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:27:44,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:27:44,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7
[2024-12-02 15:27:44,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019416863]
[2024-12-02 15:27:44,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:27:44,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:27:44,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:44,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:27:44,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:27:44,030 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:44,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:44,075 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions.
[2024-12-02 15:27:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:27:44,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62
[2024-12-02 15:27:44,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:44,077 INFO L225 Difference]: With dead ends: 77
[2024-12-02 15:27:44,077 INFO L226 Difference]: Without dead ends: 66
[2024-12-02 15:27:44,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:27:44,079 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 26 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:44,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 105 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:27:44,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-02 15:27:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-12-02 15:27:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 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)
[2024-12-02 15:27:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions.
[2024-12-02 15:27:44,083 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 62
[2024-12-02 15:27:44,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:44,083 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions.
[2024-12-02 15:27:44,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:27:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions.
[2024-12-02 15:27:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2024-12-02 15:27:44,084 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:27:44,084 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:44,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 15:27:44,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:44,285 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-12-02 15:27:44,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:27:44,285 INFO L85 PathProgramCache]: Analyzing trace with hash 99380104, now seen corresponding path program 1 times
[2024-12-02 15:27:44,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:27:44,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068820414]
[2024-12-02 15:27:44,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:27:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 15:27:44,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:27:44,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068820414]
[2024-12-02 15:27:44,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068820414] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:27:44,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153472637]
[2024-12-02 15:27:44,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:27:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:44,508 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:27:44,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 15:27:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:27:44,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 15:27:44,737 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:27:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 15:27:44,831 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:27:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 15:27:44,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153472637] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:27:44,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:27:44,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12
[2024-12-02 15:27:44,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803066523]
[2024-12-02 15:27:44,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:27:44,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 15:27:44,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:27:44,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 15:27:44,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-12-02 15:27:44,929 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:27:45,018 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions.
[2024-12-02 15:27:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 15:27:45,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 69
[2024-12-02 15:27:45,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:27:45,018 INFO L225 Difference]: With dead ends: 76
[2024-12-02 15:27:45,018 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 15:27:45,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:27:45,019 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:27:45,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 229 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:27:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 15:27:45,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 15:27:45,020 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)
[2024-12-02 15:27:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 15:27:45,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69
[2024-12-02 15:27:45,020 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:27:45,020 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:27:45,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:27:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 15:27:45,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining)
[2024-12-02 15:27:45,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining)
[2024-12-02 15:27:45,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining)
[2024-12-02 15:27:45,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 15:27:45,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:27:45,227 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:27:45,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 15:27:45,333 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:27:45,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-12-02 15:27:45,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-12-02 15:27:45,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-12-02 15:27:45,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-12-02 15:27:45,347 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-12-02 15:27:45,347 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-12-02 15:27:45,347 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-12-02 15:27:45,347 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-12-02 15:27:45,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:27:45 BoogieIcfgContainer
[2024-12-02 15:27:45,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:27:45,348 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:27:45,348 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:27:45,349 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:27:45,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:37" (3/4) ...
[2024-12-02 15:27:45,351 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 15:27:45,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create
[2024-12-02 15:27:45,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-12-02 15:27:45,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 15:27:45,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 15:27:45,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 15:27:45,444 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:27:45,444 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:27:45,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:27:45,445 INFO L158 Benchmark]: Toolchain (without parser) took 8339.39ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 115.8MB in the beginning and 246.0MB in the end (delta: -130.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,445 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:27:45,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.20ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.80ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:27:45,446 INFO L158 Benchmark]: Boogie Preprocessor took 44.70ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 93.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,446 INFO L158 Benchmark]: RCFGBuilder took 396.07ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 74.8MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,447 INFO L158 Benchmark]: TraceAbstraction took 7449.78ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 74.0MB in the beginning and 254.1MB in the end (delta: -180.0MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,447 INFO L158 Benchmark]: Witness Printer took 96.07ms. Allocated memory is still 327.2MB. Free memory was 254.1MB in the beginning and 246.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:27:45,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 314.20ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.80ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.70ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 93.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 396.07ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 74.8MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 7449.78ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 74.0MB in the beginning and 254.1MB in the end (delta: -180.0MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB.
* Witness Printer took 96.07ms. Allocated memory is still 327.2MB. Free memory was 254.1MB in the beginning and 246.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
* 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: 595]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 595]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 632]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 632]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 622]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 622]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 635]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 635]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 636]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 636]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 615]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 615]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 635]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 635]: 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, 76 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 758 mSDsluCounter, 3283 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2171 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1081 IncrementalHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 1112 mSDtfsCounter, 1081 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 458 SyntacticMatches, 12 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=20, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 91 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1174 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 2991 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2012 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 32 InterpolantComputations, 20 PerfectInterpolantSequences, 389/410 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
18 specifications checked. All of them hold
- InvariantResult [Line: 588]: Loop Invariant
Derived loop invariant: (((len == 1) && (len == 2)) || ((2 == len) && (len == 2)))
- InvariantResult [Line: 635]: Loop Invariant
Derived loop invariant: (((i <= 0) && (len == 2)) || ((i == 1) && (len == 2)))
- InvariantResult [Line: 620]: Loop Invariant
Derived loop invariant: ((index <= 0) || (index <= 1))
- InvariantResult [Line: 631]: Loop Invariant
Derived loop invariant: (((i <= 0) && (len == 2)) || ((i == 1) && (len == 2)))
- InvariantResult [Line: 613]: Loop Invariant
Derived loop invariant: ((index == 0) || (index <= 1))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 15:27:45,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71f441f-0b3c-4e15-865f-60dd2a529fad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE