./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/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_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/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_79beb74a-82a2-4739-b617-f680b81e6f1e/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 b2c85aee86c4b142223e11d6ae03fc30f95f303d54efdd7315c1aab75b140c6a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:13:01,052 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:13:01,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 12:13:01,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:13:01,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:13:01,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:13:01,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:13:01,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:13:01,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:13:01,132 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:13:01,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:13:01,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:13:01,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:13:01,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:13:01,132 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:13:01,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:13:01,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:13:01,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:13:01,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:13:01,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:13:01,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:13:01,135 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:13:01,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:13:01,136 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_79beb74a-82a2-4739-b617-f680b81e6f1e/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 -> b2c85aee86c4b142223e11d6ae03fc30f95f303d54efdd7315c1aab75b140c6a
[2024-12-02 12:13:01,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:13:01,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:13:01,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:13:01,354 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:13:01,355 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:13:01,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c
[2024-12-02 12:13:04,047 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/data/f3bd0ec55/38ea84202af44e0c9d2e70ae8e8718bd/FLAGa3318450e
[2024-12-02 12:13:04,210 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:13:04,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/sv-benchmarks/c/recursive-simple/sum_2x3-1.c
[2024-12-02 12:13:04,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/data/f3bd0ec55/38ea84202af44e0c9d2e70ae8e8718bd/FLAGa3318450e
[2024-12-02 12:13:04,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/data/f3bd0ec55/38ea84202af44e0c9d2e70ae8e8718bd
[2024-12-02 12:13:04,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:13:04,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:13:04,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:13:04,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:13:04,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:13:04,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25813562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04, skipping insertion in model container
[2024-12-02 12:13:04,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,263 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:13:04,374 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:13:04,384 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:13:04,396 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:13:04,409 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:13:04,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04 WrapperNode
[2024-12-02 12:13:04,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:13:04,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:13:04,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:13:04,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:13:04,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,437 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22
[2024-12-02 12:13:04,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:13:04,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:13:04,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:13:04,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:13:04,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,457 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:13:04,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:13:04,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:13:04,464 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:13:04,464 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:13:04,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (1/1) ...
[2024-12-02 12:13:04,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:13:04,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:04,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:13:04,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:13:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:13:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:13:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:13:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure sum
[2024-12-02 12:13:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sum
[2024-12-02 12:13:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:13:04,564 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:13:04,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:13:04,672 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-12-02 12:13:04,673 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:13:04,680 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:13:04,681 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 12:13:04,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:13:04 BoogieIcfgContainer
[2024-12-02 12:13:04,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:13:04,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:13:04,683 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:13:04,686 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:13:04,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:13:04" (1/3) ...
[2024-12-02 12:13:04,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cfb199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:13:04, skipping insertion in model container
[2024-12-02 12:13:04,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:13:04" (2/3) ...
[2024-12-02 12:13:04,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cfb199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:13:04, skipping insertion in model container
[2024-12-02 12:13:04,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:13:04" (3/3) ...
[2024-12-02 12:13:04,689 INFO L128 eAbstractionObserver]: Analyzing ICFG sum_2x3-1.c
[2024-12-02 12:13:04,701 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:13:04,702 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum_2x3-1.c that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 8 error locations.
[2024-12-02 12:13:04,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:13:04,755 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;@359b6548, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:13:04,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-02 12:13:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 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 12:13:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 12:13:04,763 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:04,763 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:04,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:04,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:04,769 INFO L85 PathProgramCache]: Analyzing trace with hash 890593104, now seen corresponding path program 1 times
[2024-12-02 12:13:04,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:04,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237416525]
[2024-12-02 12:13:04,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:04,995 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 12:13:04,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:04,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237416525]
[2024-12-02 12:13:04,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237416525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:04,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:13:04,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:13:04,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130995709]
[2024-12-02 12:13:04,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:05,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:13:05,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:05,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:13:05,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:13:05,028 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 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 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:05,158 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions.
[2024-12-02 12:13:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 12:13:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 12:13:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:05,168 INFO L225 Difference]: With dead ends: 62
[2024-12-02 12:13:05,168 INFO L226 Difference]: Without dead ends: 38
[2024-12-02 12:13:05,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 12:13:05,174 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:05,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:05,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2024-12-02 12:13:05,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36.
[2024-12-02 12:13:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.434782608695652) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 12:13:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions.
[2024-12-02 12:13:05,217 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 6
[2024-12-02 12:13:05,218 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:05,218 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions.
[2024-12-02 12:13:05,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2024-12-02 12:13:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 12:13:05,219 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:05,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:05,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:13:05,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:05,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1161636818, now seen corresponding path program 1 times
[2024-12-02 12:13:05,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:05,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382742492]
[2024-12-02 12:13:05,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:05,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:05,310 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 12:13:05,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382742492]
[2024-12-02 12:13:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382742492] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:05,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:13:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:13:05,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103682838]
[2024-12-02 12:13:05,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:05,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:13:05,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:05,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:13:05,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:13:05,313 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:05,392 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions.
[2024-12-02 12:13:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 12:13:05,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 12:13:05,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:05,393 INFO L225 Difference]: With dead ends: 38
[2024-12-02 12:13:05,394 INFO L226 Difference]: Without dead ends: 36
[2024-12-02 12:13:05,394 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 12:13:05,395 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 14 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:05,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 72 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:05,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-12-02 12:13:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-12-02 12:13:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 12:13:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions.
[2024-12-02 12:13:05,402 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 8
[2024-12-02 12:13:05,402 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:05,403 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions.
[2024-12-02 12:13:05,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions.
[2024-12-02 12:13:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 12:13:05,403 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:05,404 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:05,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:13:05,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:05,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1131512701, now seen corresponding path program 1 times
[2024-12-02 12:13:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:05,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151364385]
[2024-12-02 12:13:05,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:05,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:05,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151364385]
[2024-12-02 12:13:05,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151364385] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:05,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727240829]
[2024-12-02 12:13:05,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:05,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:05,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:05,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:05,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:13:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:05,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:05,580 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:05,666 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:13:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:05,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727240829] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:13:05,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:13:05,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10
[2024-12-02 12:13:05,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611008139]
[2024-12-02 12:13:05,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:13:05,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 12:13:05,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:05,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 12:13:05,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:13:05,735 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 10 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:05,861 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions.
[2024-12-02 12:13:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 12:13:05,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-12-02 12:13:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:05,864 INFO L225 Difference]: With dead ends: 65
[2024-12-02 12:13:05,864 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 12:13:05,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132
[2024-12-02 12:13:05,866 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:05,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 92 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 12:13:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45.
[2024-12-02 12:13:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 37 states have internal predecessors, (41), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 12:13:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions.
[2024-12-02 12:13:05,876 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 13
[2024-12-02 12:13:05,876 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:05,876 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions.
[2024-12-02 12:13:05,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions.
[2024-12-02 12:13:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 12:13:05,877 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:05,877 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:05,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:13:06,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-12-02 12:13:06,078 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:06,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash 717160386, now seen corresponding path program 1 times
[2024-12-02 12:13:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:06,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747373327]
[2024-12-02 12:13:06,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:06,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:06,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747373327]
[2024-12-02 12:13:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747373327] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503268343]
[2024-12-02 12:13:06,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:06,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:06,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:06,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:06,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 12:13:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:06,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:06,191 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:06,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:13:06,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503268343] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:06,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:13:06,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2024-12-02 12:13:06,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277113673]
[2024-12-02 12:13:06,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:06,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 12:13:06,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:06,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 12:13:06,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:13:06,243 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:06,323 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions.
[2024-12-02 12:13:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 12:13:06,324 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-12-02 12:13:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:06,325 INFO L225 Difference]: With dead ends: 47
[2024-12-02 12:13:06,325 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 12:13:06,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2024-12-02 12:13:06,326 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 45 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:06,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 47 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 12:13:06,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44.
[2024-12-02 12:13:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 36 states have internal predecessors, (39), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 12:13:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions.
[2024-12-02 12:13:06,333 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 14
[2024-12-02 12:13:06,334 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:06,334 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions.
[2024-12-02 12:13:06,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions.
[2024-12-02 12:13:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 12:13:06,335 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:06,335 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:06,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 12:13:06,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:06,535 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:06,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash 757135551, now seen corresponding path program 1 times
[2024-12-02 12:13:06,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:06,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239149367]
[2024-12-02 12:13:06,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:06,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:06,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:06,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239149367]
[2024-12-02 12:13:06,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239149367] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:06,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089172912]
[2024-12-02 12:13:06,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:06,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:06,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:06,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 12:13:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:06,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:06,653 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:06,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:13:06,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089172912] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:06,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:13:06,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2024-12-02 12:13:06,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877752075]
[2024-12-02 12:13:06,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:06,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 12:13:06,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:06,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 12:13:06,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:13:06,713 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:06,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:06,797 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions.
[2024-12-02 12:13:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 12:13:06,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-12-02 12:13:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:06,798 INFO L225 Difference]: With dead ends: 46
[2024-12-02 12:13:06,798 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 12:13:06,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2024-12-02 12:13:06,799 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 44 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:06,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 46 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:06,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 12:13:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43.
[2024-12-02 12:13:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 35 states have internal predecessors, (37), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 12:13:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions.
[2024-12-02 12:13:06,807 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 15
[2024-12-02 12:13:06,807 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:06,807 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions.
[2024-12-02 12:13:06,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions.
[2024-12-02 12:13:06,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 12:13:06,808 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:06,808 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:06,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 12:13:07,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:07,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:07,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1996365668, now seen corresponding path program 1 times
[2024-12-02 12:13:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:07,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877237905]
[2024-12-02 12:13:07,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:07,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:07,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877237905]
[2024-12-02 12:13:07,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877237905] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:07,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117218698]
[2024-12-02 12:13:07,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:07,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:07,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:07,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 12:13:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:07,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:07,123 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:07,173 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:13:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:07,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117218698] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:13:07,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:13:07,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14
[2024-12-02 12:13:07,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641076752]
[2024-12-02 12:13:07,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:13:07,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 12:13:07,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:07,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 12:13:07,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210
[2024-12-02 12:13:07,259 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:07,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:07,445 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions.
[2024-12-02 12:13:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 12:13:07,446 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-12-02 12:13:07,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:07,447 INFO L225 Difference]: With dead ends: 78
[2024-12-02 12:13:07,447 INFO L226 Difference]: Without dead ends: 77
[2024-12-02 12:13:07,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342
[2024-12-02 12:13:07,448 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 80 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:07,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 143 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:07,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-12-02 12:13:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67.
[2024-12-02 12:13:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 55 states have internal predecessors, (62), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 12:13:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions.
[2024-12-02 12:13:07,459 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 16
[2024-12-02 12:13:07,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:07,459 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions.
[2024-12-02 12:13:07,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions.
[2024-12-02 12:13:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 12:13:07,460 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:07,460 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-12-02 12:13:07,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 12:13:07,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:07,661 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:07,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:07,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2105949520, now seen corresponding path program 2 times
[2024-12-02 12:13:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:07,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400828998]
[2024-12-02 12:13:07,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:13:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:07,670 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:13:07,670 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:13:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:07,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:07,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400828998]
[2024-12-02 12:13:07,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400828998] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:07,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908437588]
[2024-12-02 12:13:07,806 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:13:07,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:07,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:07,808 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:07,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 12:13:07,842 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:13:07,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:13:07,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:07,845 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:07,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:13:07,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908437588] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:07,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:13:07,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14
[2024-12-02 12:13:07,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155561697]
[2024-12-02 12:13:07,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:07,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 12:13:07,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:07,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 12:13:07,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210
[2024-12-02 12:13:07,977 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:08,136 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions.
[2024-12-02 12:13:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 12:13:08,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2024-12-02 12:13:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:08,137 INFO L225 Difference]: With dead ends: 73
[2024-12-02 12:13:08,137 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 12:13:08,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380
[2024-12-02 12:13:08,139 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 51 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:08,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 63 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:08,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 12:13:08,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66.
[2024-12-02 12:13:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 54 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 12:13:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions.
[2024-12-02 12:13:08,149 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 20
[2024-12-02 12:13:08,149 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:08,150 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions.
[2024-12-02 12:13:08,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions.
[2024-12-02 12:13:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 12:13:08,150 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:08,151 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:08,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 12:13:08,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:08,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:08,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:08,352 INFO L85 PathProgramCache]: Analyzing trace with hash -859925622, now seen corresponding path program 1 times
[2024-12-02 12:13:08,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:08,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507987082]
[2024-12-02 12:13:08,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:08,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:08,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:08,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507987082]
[2024-12-02 12:13:08,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507987082] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:08,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056074694]
[2024-12-02 12:13:08,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:08,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:08,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:08,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 12:13:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:08,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:08,472 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:08,554 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:13:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:13:08,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056074694] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:13:08,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:13:08,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21
[2024-12-02 12:13:08,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112775420]
[2024-12-02 12:13:08,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:13:08,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 12:13:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:08,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 12:13:08,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462
[2024-12-02 12:13:08,677 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 22 states, 18 states have (on average 2.5) internal successors, (45), 15 states have internal predecessors, (45), 8 states have call successors, (8), 7 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:08,937 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions.
[2024-12-02 12:13:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2024-12-02 12:13:08,937 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 2.5) internal successors, (45), 15 states have internal predecessors, (45), 8 states have call successors, (8), 7 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2024-12-02 12:13:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:08,938 INFO L225 Difference]: With dead ends: 87
[2024-12-02 12:13:08,938 INFO L226 Difference]: Without dead ends: 85
[2024-12-02 12:13:08,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056
[2024-12-02 12:13:08,940 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 122 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:08,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 164 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:13:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2024-12-02 12:13:08,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77.
[2024-12-02 12:13:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.098360655737705) internal successors, (67), 63 states have internal predecessors, (67), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 12:13:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions.
[2024-12-02 12:13:08,951 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 21
[2024-12-02 12:13:08,951 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:08,951 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions.
[2024-12-02 12:13:08,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 2.5) internal successors, (45), 15 states have internal predecessors, (45), 8 states have call successors, (8), 7 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions.
[2024-12-02 12:13:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 12:13:08,952 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:08,952 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:08,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 12:13:09,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:09,153 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:09,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1377740818, now seen corresponding path program 1 times
[2024-12-02 12:13:09,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:09,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051622005]
[2024-12-02 12:13:09,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:13:09,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:13:09,189 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 12:13:09,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:09,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051622005]
[2024-12-02 12:13:09,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051622005] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:09,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:13:09,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:13:09,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941996832]
[2024-12-02 12:13:09,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:09,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:13:09,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:09,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:13:09,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:13:09,191 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 12:13:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:09,199 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions.
[2024-12-02 12:13:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:13:09,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31
[2024-12-02 12:13:09,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:09,200 INFO L225 Difference]: With dead ends: 77
[2024-12-02 12:13:09,200 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 12:13:09,200 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 12:13:09,201 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:09,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:13:09,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 12:13:09,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45.
[2024-12-02 12:13:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 6 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions.
[2024-12-02 12:13:09,207 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 31
[2024-12-02 12:13:09,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:09,207 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions.
[2024-12-02 12:13:09,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 12:13:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions.
[2024-12-02 12:13:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-12-02 12:13:09,208 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:13:09,208 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1]
[2024-12-02 12:13:09,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 12:13:09,208 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 12:13:09,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:13:09,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1066274340, now seen corresponding path program 2 times
[2024-12-02 12:13:09,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:13:09,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594776016]
[2024-12-02 12:13:09,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:13:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:13:09,220 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:13:09,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:13:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 58 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-12-02 12:13:09,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:13:09,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594776016]
[2024-12-02 12:13:09,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594776016] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:13:09,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608022804]
[2024-12-02 12:13:09,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:13:09,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:09,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:13:09,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:13:09,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 12:13:09,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:13:09,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:13:09,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 12:13:09,364 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:13:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-12-02 12:13:09,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:13:09,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608022804] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:13:09,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:13:09,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 12
[2024-12-02 12:13:09,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849269188]
[2024-12-02 12:13:09,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:13:09,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 12:13:09,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:13:09,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 12:13:09,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2024-12-02 12:13:09,424 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:13:09,473 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions.
[2024-12-02 12:13:09,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 12:13:09,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44
[2024-12-02 12:13:09,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:13:09,474 INFO L225 Difference]: With dead ends: 45
[2024-12-02 12:13:09,474 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 12:13:09,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2024-12-02 12:13:09,475 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:13:09,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 36 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:13:09,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 12:13:09,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 12:13:09,476 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 12:13:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 12:13:09,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44
[2024-12-02 12:13:09,476 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:13:09,476 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 12:13:09,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:13:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 12:13:09,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 12:13:09,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-12-02 12:13:09,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-12-02 12:13:09,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-12-02 12:13:09,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-12-02 12:13:09,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:13:09,683 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:13:09,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 12:13:09,969 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:13:09,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:13:09 BoogieIcfgContainer
[2024-12-02 12:13:09,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:13:09,975 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:13:09,975 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:13:09,975 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:13:09,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:13:04" (3/4) ...
[2024-12-02 12:13:09,978 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:13:09,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum
[2024-12-02 12:13:09,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 12:13:09,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 12:13:09,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 12:13:09,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:13:10,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:13:10,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:13:10,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:13:10,044 INFO L158 Benchmark]: Toolchain (without parser) took 5802.71ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 84.5MB in the end (delta: 33.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB.
[2024-12-02 12:13:10,045 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:13:10,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.52ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:13:10,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:13:10,045 INFO L158 Benchmark]: Boogie Preprocessor took 26.16ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:13:10,045 INFO L158 Benchmark]: RCFGBuilder took 216.86ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 94.8MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:13:10,046 INFO L158 Benchmark]: TraceAbstraction took 5292.20ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.5MB in the end (delta: 4.7MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB.
[2024-12-02 12:13:10,046 INFO L158 Benchmark]: Witness Printer took 68.53ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 84.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:13:10,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 166.52ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.54ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.16ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 216.86ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 94.8MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 5292.20ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.5MB in the end (delta: 4.7MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB.
* Witness Printer took 68.53ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 84.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 17]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 17]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 7]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 7]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 9]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 9]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 9]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 9]: 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, 32 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 446 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 436 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 818 IncrementalHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 167 mSDtfsCounter, 818 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 154 SyntacticMatches, 5 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=8, InterpolantAutomatonStates: 87, 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, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 959 SizeOfPredicates, 19 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 229/315 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
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:13:10,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79beb74a-82a2-4739-b617-f680b81e6f1e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE