./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/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_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/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_ecbd49d1-0b24-407c-94ea-10b1553817d1/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 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:46:05,026 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:46:05,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 06:46:05,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:46:05,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:46:05,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:46:05,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:46:05,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:46:05,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:46:05,108 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:46:05,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:46:05,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:46:05,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:46:05,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:46:05,109 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:46:05,110 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:46:05,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:46:05,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:46:05,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:46:05,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:46:05,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:46:05,112 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_ecbd49d1-0b24-407c-94ea-10b1553817d1/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 -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f
[2024-12-02 06:46:05,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:46:05,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:46:05,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:46:05,338 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:46:05,339 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:46:05,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i
[2024-12-02 06:46:07,950 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/dc627cc60/3030c0ce2d5d44659d749eca5dec0f68/FLAGaab2d66ed
[2024-12-02 06:46:08,220 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:46:08,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i
[2024-12-02 06:46:08,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/dc627cc60/3030c0ce2d5d44659d749eca5dec0f68/FLAGaab2d66ed
[2024-12-02 06:46:08,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/dc627cc60/3030c0ce2d5d44659d749eca5dec0f68
[2024-12-02 06:46:08,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:46:08,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:46:08,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:46:08,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:46:08,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:46:08,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:46:08" (1/1) ...
[2024-12-02 06:46:08,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30445ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:08, skipping insertion in model container
[2024-12-02 06:46:08,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:46:08" (1/1) ...
[2024-12-02 06:46:08,573 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:46:08,991 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:46:09,002 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:46:09,095 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:46:09,120 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:46:09,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09 WrapperNode
[2024-12-02 06:46:09,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:46:09,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:46:09,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:46:09,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:46:09,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,200 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1589
[2024-12-02 06:46:09,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:46:09,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:46:09,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:46:09,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:46:09,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,297 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58].
[2024-12-02 06:46:09,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:46:09,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:46:09,364 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:46:09,364 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:46:09,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (1/1) ...
[2024-12-02 06:46:09,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:46:09,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:46:09,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:46:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:46:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-12-02 06:46:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-12-02 06:46:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 06:46:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 06:46:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 06:46:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 06:46:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-12-02 06:46:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-12-02 06:46:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-12-02 06:46:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 06:46:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 06:46:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:46:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:46:09,599 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:46:09,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:46:11,088 INFO L? ?]: Removed 357 outVars from TransFormulas that were not future-live.
[2024-12-02 06:46:11,088 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:46:11,106 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:46:11,106 INFO L312 CfgBuilder]: Removed 41 assume(true) statements.
[2024-12-02 06:46:11,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:46:11 BoogieIcfgContainer
[2024-12-02 06:46:11,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:46:11,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:46:11,109 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:46:11,114 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:46:11,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:46:08" (1/3) ...
[2024-12-02 06:46:11,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bffc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:46:11, skipping insertion in model container
[2024-12-02 06:46:11,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:46:09" (2/3) ...
[2024-12-02 06:46:11,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bffc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:46:11, skipping insertion in model container
[2024-12-02 06:46:11,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:46:11" (3/3) ...
[2024-12-02 06:46:11,116 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-2.i
[2024-12-02 06:46:11,127 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:46:11,128 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test3-2.i that has 6 procedures, 477 locations, 1 initial locations, 43 loop locations, and 8 error locations.
[2024-12-02 06:46:11,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:46:11,187 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;@7c91c72a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:46:11,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-02 06:46:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 447 states have (on average 1.621923937360179) internal successors, (725), 462 states have internal predecessors, (725), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 06:46:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 06:46:11,195 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:11,196 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:11,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times
[2024-12-02 06:46:11,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:11,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371613204]
[2024-12-02 06:46:11,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:11,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 06:46:11,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294752818]
[2024-12-02 06:46:11,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:46:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:46:11,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:46:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:46:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:11,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:46:11,493 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:46:11,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:46:11,556 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 06:46:11,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:46:11,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371613204]
[2024-12-02 06:46:11,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 06:46:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294752818]
[2024-12-02 06:46:11,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294752818] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:11,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:11,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:46:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577240810]
[2024-12-02 06:46:11,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:11,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:46:11,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:11,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:46:11,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:46:11,580 INFO L87 Difference]: Start difference. First operand has 469 states, 447 states have (on average 1.621923937360179) internal successors, (725), 462 states have internal predecessors, (725), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:46:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:11,823 INFO L93 Difference]: Finished difference Result 1384 states and 2225 transitions.
[2024-12-02 06:46:11,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:46:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 06:46:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:11,839 INFO L225 Difference]: With dead ends: 1384
[2024-12-02 06:46:11,839 INFO L226 Difference]: Without dead ends: 840
[2024-12-02 06:46:11,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:46:11,847 INFO L435 NwaCegarLoop]: 687 mSDtfsCounter, 625 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:11,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 2001 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:46:11,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states.
[2024-12-02 06:46:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 433.
[2024-12-02 06:46:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 427 states have internal predecessors, (601), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:46:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 617 transitions.
[2024-12-02 06:46:11,911 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 617 transitions. Word has length 8
[2024-12-02 06:46:11,911 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:11,911 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 617 transitions.
[2024-12-02 06:46:11,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:46:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 617 transitions.
[2024-12-02 06:46:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 06:46:11,912 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:11,912 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:11,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:46:12,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 06:46:12,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:12,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1596490443, now seen corresponding path program 1 times
[2024-12-02 06:46:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:12,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779697106]
[2024-12-02 06:46:12,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:12,303 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 06:46:12,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:12,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779697106]
[2024-12-02 06:46:12,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779697106] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:12,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:12,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:46:12,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164500610]
[2024-12-02 06:46:12,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:12,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:46:12,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:12,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:46:12,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:46:12,305 INFO L87 Difference]: Start difference. First operand 433 states and 617 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:46:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:12,461 INFO L93 Difference]: Finished difference Result 1052 states and 1514 transitions.
[2024-12-02 06:46:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:46:12,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-02 06:46:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:12,466 INFO L225 Difference]: With dead ends: 1052
[2024-12-02 06:46:12,466 INFO L226 Difference]: Without dead ends: 839
[2024-12-02 06:46:12,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:46:12,468 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 578 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:12,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1757 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:46:12,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states.
[2024-12-02 06:46:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 433.
[2024-12-02 06:46:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 427 states have internal predecessors, (600), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:46:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 616 transitions.
[2024-12-02 06:46:12,493 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 616 transitions. Word has length 11
[2024-12-02 06:46:12,493 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:12,493 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 616 transitions.
[2024-12-02 06:46:12,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:46:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 616 transitions.
[2024-12-02 06:46:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 06:46:12,496 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:12,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:12,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:46:12,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:12,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:12,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times
[2024-12-02 06:46:12,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:12,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923435354]
[2024-12-02 06:46:12,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:12,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:12,834 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 06:46:12,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923435354]
[2024-12-02 06:46:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923435354] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:12,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:12,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:46:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509322504]
[2024-12-02 06:46:12,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:12,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:46:12,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:12,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:46:12,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:46:12,836 INFO L87 Difference]: Start difference. First operand 433 states and 616 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 06:46:12,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:12,922 INFO L93 Difference]: Finished difference Result 860 states and 1226 transitions.
[2024-12-02 06:46:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:46:12,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82
[2024-12-02 06:46:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:12,925 INFO L225 Difference]: With dead ends: 860
[2024-12-02 06:46:12,926 INFO L226 Difference]: Without dead ends: 436
[2024-12-02 06:46:12,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:46:12,927 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 106 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:12,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1649 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:46:12,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states.
[2024-12-02 06:46:12,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 433.
[2024-12-02 06:46:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4289156626506023) internal successors, (593), 427 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:46:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 609 transitions.
[2024-12-02 06:46:12,944 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 609 transitions. Word has length 82
[2024-12-02 06:46:12,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:12,944 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 609 transitions.
[2024-12-02 06:46:12,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 06:46:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 609 transitions.
[2024-12-02 06:46:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 06:46:12,946 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:12,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:12,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:46:12,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:12,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times
[2024-12-02 06:46:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:12,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123798714]
[2024-12-02 06:46:12,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:12,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:13,129 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 06:46:13,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123798714]
[2024-12-02 06:46:13,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123798714] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:13,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:13,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:46:13,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115060771]
[2024-12-02 06:46:13,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:13,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:46:13,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:13,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:46:13,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:46:13,130 INFO L87 Difference]: Start difference. First operand 433 states and 609 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:46:13,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:13,274 INFO L93 Difference]: Finished difference Result 1170 states and 1670 transitions.
[2024-12-02 06:46:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:46:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82
[2024-12-02 06:46:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:13,278 INFO L225 Difference]: With dead ends: 1170
[2024-12-02 06:46:13,278 INFO L226 Difference]: Without dead ends: 746
[2024-12-02 06:46:13,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:46:13,280 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 394 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:13,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1398 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:46:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states.
[2024-12-02 06:46:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 724.
[2024-12-02 06:46:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 706 states have (on average 1.4475920679886685) internal successors, (1022), 718 states have internal predecessors, (1022), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:46:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1038 transitions.
[2024-12-02 06:46:13,305 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1038 transitions. Word has length 82
[2024-12-02 06:46:13,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:13,306 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1038 transitions.
[2024-12-02 06:46:13,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:46:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1038 transitions.
[2024-12-02 06:46:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-12-02 06:46:13,307 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:13,308 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:13,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:46:13,308 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:13,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1334793375, now seen corresponding path program 1 times
[2024-12-02 06:46:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:13,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573118093]
[2024-12-02 06:46:13,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:46:13,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:13,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573118093]
[2024-12-02 06:46:13,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573118093] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:13,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:13,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:46:13,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123770047]
[2024-12-02 06:46:13,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:13,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:46:13,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:13,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:46:13,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:46:13,746 INFO L87 Difference]: Start difference. First operand 724 states and 1038 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:13,877 INFO L93 Difference]: Finished difference Result 1033 states and 1475 transitions.
[2024-12-02 06:46:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:46:13,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97
[2024-12-02 06:46:13,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:13,885 INFO L225 Difference]: With dead ends: 1033
[2024-12-02 06:46:13,885 INFO L226 Difference]: Without dead ends: 1031
[2024-12-02 06:46:13,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:46:13,886 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 484 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:13,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1733 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:46:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states.
[2024-12-02 06:46:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 790.
[2024-12-02 06:46:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 769 states have (on average 1.433029908972692) internal successors, (1102), 781 states have internal predecessors, (1102), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:46:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1124 transitions.
[2024-12-02 06:46:13,916 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1124 transitions. Word has length 97
[2024-12-02 06:46:13,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:13,916 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1124 transitions.
[2024-12-02 06:46:13,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1124 transitions.
[2024-12-02 06:46:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 06:46:13,918 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:13,918 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:13,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:46:13,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:13,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1314109706, now seen corresponding path program 1 times
[2024-12-02 06:46:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277751239]
[2024-12-02 06:46:13,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:46:14,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277751239]
[2024-12-02 06:46:14,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277751239] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:46:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066433345]
[2024-12-02 06:46:14,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:46:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:46:14,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:46:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:46:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:14,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 06:46:14,610 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:46:14,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:46:14,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:46:14,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-12-02 06:46:15,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:46:15,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41
[2024-12-02 06:46:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:46:15,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:46:15,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066433345] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:15,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:46:15,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13
[2024-12-02 06:46:15,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129458248]
[2024-12-02 06:46:15,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:15,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 06:46:15,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:15,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 06:46:15,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2024-12-02 06:46:15,398 INFO L87 Difference]: Start difference. First operand 790 states and 1124 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:17,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:46:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:20,269 INFO L93 Difference]: Finished difference Result 1785 states and 2542 transitions.
[2024-12-02 06:46:20,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:46:20,270 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104
[2024-12-02 06:46:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:20,274 INFO L225 Difference]: With dead ends: 1785
[2024-12-02 06:46:20,275 INFO L226 Difference]: Without dead ends: 1085
[2024-12-02 06:46:20,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420
[2024-12-02 06:46:20,276 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 861 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:20,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 4422 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time]
[2024-12-02 06:46:20,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states.
[2024-12-02 06:46:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 824.
[2024-12-02 06:46:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 803 states have (on average 1.4259028642590286) internal successors, (1145), 815 states have internal predecessors, (1145), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:46:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1167 transitions.
[2024-12-02 06:46:20,307 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1167 transitions. Word has length 104
[2024-12-02 06:46:20,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:20,307 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1167 transitions.
[2024-12-02 06:46:20,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1167 transitions.
[2024-12-02 06:46:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 06:46:20,309 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:20,309 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:20,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:46:20,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:46:20,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:20,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:20,510 INFO L85 PathProgramCache]: Analyzing trace with hash -763227192, now seen corresponding path program 1 times
[2024-12-02 06:46:20,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:20,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877381916]
[2024-12-02 06:46:20,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:46:20,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:20,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877381916]
[2024-12-02 06:46:20,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877381916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:46:20,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:46:20,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:46:20,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377744850]
[2024-12-02 06:46:20,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:46:20,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:46:20,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:46:20,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:46:20,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:46:20,684 INFO L87 Difference]: Start difference. First operand 824 states and 1167 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:46:20,745 INFO L93 Difference]: Finished difference Result 1485 states and 2104 transitions.
[2024-12-02 06:46:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:46:20,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104
[2024-12-02 06:46:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:46:20,748 INFO L225 Difference]: With dead ends: 1485
[2024-12-02 06:46:20,749 INFO L226 Difference]: Without dead ends: 692
[2024-12-02 06:46:20,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:46:20,750 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 9 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:46:20,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1496 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:46:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states.
[2024-12-02 06:46:20,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692.
[2024-12-02 06:46:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 671 states have (on average 1.399403874813711) internal successors, (939), 683 states have internal predecessors, (939), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:46:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 961 transitions.
[2024-12-02 06:46:20,773 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 961 transitions. Word has length 104
[2024-12-02 06:46:20,773 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:46:20,774 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 961 transitions.
[2024-12-02 06:46:20,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:46:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 961 transitions.
[2024-12-02 06:46:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-12-02 06:46:20,775 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:46:20,775 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:46:20,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:46:20,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:46:20,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:46:20,776 INFO L85 PathProgramCache]: Analyzing trace with hash -627921813, now seen corresponding path program 1 times
[2024-12-02 06:46:20,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:46:20,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779537371]
[2024-12-02 06:46:20,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:46:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:46:21,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:46:21,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779537371]
[2024-12-02 06:46:21,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779537371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:46:21,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157161895]
[2024-12-02 06:46:21,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:46:21,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:46:21,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:46:21,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:46:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 06:46:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:46:21,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-12-02 06:46:21,761 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:46:52,639 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:47:04,649 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:47:25,356 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:47:31,889 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:47:38,636 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:47:50,794 WARN L286 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:48:06,821 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:48:18,847 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:48:43,565 WARN L286 SmtUtils]: Spent 11.79s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:49:04,461 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:49:25,199 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:49:45,673 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:49:54,274 WARN L286 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:49:59,800 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:50:15,991 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:50:29,761 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:50:38,154 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:50:43,712 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:50:59,895 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:51:09,245 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:51:15,561 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:51:24,060 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 37 DAG size of output: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:51:29,499 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:51:41,603 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:02,376 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:16,936 WARN L286 SmtUtils]: Spent 9.60s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:22,209 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:34,221 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:42,803 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:51,252 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:52:56,448 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:53:04,458 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 06:53:12,512 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (let ((.cse4 (* .cse2 256)) (.cse6 (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296)) (.cse8 (* 16777215 |c_ULTIMATE.start_main_~_ha_hashv~0#1|))) (or (exists ((v_z_31 Int)) (and (<= 0 v_z_31) (<= v_z_31 16777215) (exists ((v_z_10 Int)) (and (<= 0 v_z_10) (exists ((v_z_13 Int)) (let ((.cse7 (mod (+ (* 16711680 v_z_10) .cse8 14384614 (* v_z_13 16776960)) 16777216))) (and (<= 0 v_z_13) (exists ((v_y_19 Int)) (let ((.cse1 (* v_y_19 16777216)) (.cse0 (+ (* v_z_31 16777215) (* .cse7 16777215)))) (and (<= .cse0 (+ .cse1 562949919866880)) (<= (+ .cse1 562949919866625) .cse0) (exists ((v_y_31 Int)) (let ((.cse3 (* v_y_31 16777216))) (and (<= (+ .cse2 v_z_31 .cse3) 4294967295) (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse5 (* v_y_27 4294967296))) (and (<= (+ (* v_z_31 255) (* v_y_20 256) v_y_19 (* v_y_27 256) (* v_y_31 4294967295) 19169307) (+ (* 16777214 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) (* v_z_10 16711679) (* 16776959 v_z_13))) (= .cse4 (+ (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse5 (* v_y_20 4294967296))) (= (+ .cse6 (* 72057594021150720 v_y_31) .cse5 (* v_z_31 4294967295)) 4294967296)))) (<= 0 (+ v_z_31 .cse3)))))))) (<= 16777216 (+ v_z_31 .cse7)) (<= v_z_13 255)))) (<= v_z_10 255))))) (exists ((v_z_31 Int)) (and (<= 0 v_z_31) (<= v_z_31 16777215) (exists ((v_z_10 Int)) (and (<= 0 v_z_10) (exists ((v_z_13 Int)) (let ((.cse9 (mod (+ (* 16711680 v_z_10) .cse8 14384614 (* v_z_13 16776960)) 16777216))) (and (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse9)) (<= v_z_13 255) (exists ((v_y_19 Int)) (let ((.cse19 (* .cse9 16777215))) (let ((.cse11 (* v_y_19 16777216)) (.cse10 (+ (* v_z_31 16777215) .cse19))) (and (<= .cse10 (+ .cse11 562949919866880)) (<= (+ .cse11 562949919866625) .cse10) (exists ((v_y_31 Int)) (let ((.cse12 (* v_y_31 16777216))) (and (<= (+ v_z_31 .cse12) 4294967295) (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse18 (* v_y_27 4294967296)) (.cse17 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse19 (- 562941365879322) (* (- 1) |c_ULTIMATE.start_main_~_ha_hashv~0#1|)) 16777216)) (.cse13 (* v_z_31 255)) (.cse14 (* v_y_20 256)) (.cse15 (* v_y_27 256)) (.cse16 (* v_y_31 4294967295))) (and (<= (+ .cse13 .cse14 v_y_19 .cse15 .cse16) .cse17) (= .cse4 (+ 1099511627776 (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse18 (* v_y_20 4294967296))) (= (+ .cse6 (* 72057594021150720 v_y_31) .cse18 (* v_z_31 4294967295)) 4294967296) (<= .cse17 (+ .cse13 .cse14 v_y_19 255 .cse15 .cse16))))) (<= 4294967296 (+ .cse2 v_z_31 .cse12)))))))))))) (<= v_z_10 255)))))))) is different from false
[2024-12-02 06:53:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:53:13,071 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:53:13,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157161895] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:13,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:53:13,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15
[2024-12-02 06:53:13,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583407571]
[2024-12-02 06:53:13,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:13,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 06:53:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:13,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 06:53:13,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210
[2024-12-02 06:53:13,072 INFO L87 Difference]: Start difference. First operand 692 states and 961 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:53:17,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:19,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:22,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:25,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:28,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:30,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:33,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:36,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:39,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:41,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:44,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:47,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:50,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:53,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:56,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:53:59,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:03,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:07,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:10,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:14,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:18,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:22,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:26,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:30,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:34,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:38,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:42,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:46,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:50,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:54,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:54:58,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:55:04,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:55:08,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:55:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:08,613 INFO L93 Difference]: Finished difference Result 1343 states and 1879 transitions.
[2024-12-02 06:55:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 06:55:08,614 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105
[2024-12-02 06:55:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:08,617 INFO L225 Difference]: With dead ends: 1343
[2024-12-02 06:55:08,617 INFO L226 Difference]: Without dead ends: 692
[2024-12-02 06:55:08,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210
[2024-12-02 06:55:08,619 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 2 mSDsluCounter, 3857 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 1 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4365 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 115.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:08,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4365 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 678 Invalid, 33 Unknown, 80 Unchecked, 115.5s Time]
[2024-12-02 06:55:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states.
[2024-12-02 06:55:08,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692.
[2024-12-02 06:55:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 671 states have (on average 1.3964232488822652) internal successors, (937), 683 states have internal predecessors, (937), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:55:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 959 transitions.
[2024-12-02 06:55:08,642 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 959 transitions. Word has length 105
[2024-12-02 06:55:08,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:08,642 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 959 transitions.
[2024-12-02 06:55:08,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 959 transitions.
[2024-12-02 06:55:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-12-02 06:55:08,643 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:08,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:08,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 06:55:08,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:08,844 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:08,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash 553226223, now seen corresponding path program 1 times
[2024-12-02 06:55:08,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:08,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040291437]
[2024-12-02 06:55:08,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:08,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:55:09,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:09,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040291437]
[2024-12-02 06:55:09,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040291437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:09,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:55:09,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 06:55:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124412719]
[2024-12-02 06:55:09,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:09,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:55:09,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:09,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:55:09,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:55:09,160 INFO L87 Difference]: Start difference. First operand 692 states and 959 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:09,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:09,476 INFO L93 Difference]: Finished difference Result 1346 states and 1881 transitions.
[2024-12-02 06:55:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:55:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106
[2024-12-02 06:55:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:09,480 INFO L225 Difference]: With dead ends: 1346
[2024-12-02 06:55:09,480 INFO L226 Difference]: Without dead ends: 698
[2024-12-02 06:55:09,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:55:09,482 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 4 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:09,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1839 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:55:09,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states.
[2024-12-02 06:55:09,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698.
[2024-12-02 06:55:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 677 states have (on average 1.3929098966026587) internal successors, (943), 689 states have internal predecessors, (943), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:55:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 965 transitions.
[2024-12-02 06:55:09,506 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 965 transitions. Word has length 106
[2024-12-02 06:55:09,506 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:09,506 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 965 transitions.
[2024-12-02 06:55:09,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 965 transitions.
[2024-12-02 06:55:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2024-12-02 06:55:09,507 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:09,507 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:09,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 06:55:09,507 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:09,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:09,508 INFO L85 PathProgramCache]: Analyzing trace with hash 984846382, now seen corresponding path program 1 times
[2024-12-02 06:55:09,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:09,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243047832]
[2024-12-02 06:55:09,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:55:09,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:09,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243047832]
[2024-12-02 06:55:09,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243047832] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:09,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142081897]
[2024-12-02 06:55:09,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:09,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:09,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:09,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 06:55:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:10,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:10,436 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:55:10,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:10,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142081897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:10,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:10,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2024-12-02 06:55:10,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193763861]
[2024-12-02 06:55:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:10,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:55:10,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:10,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:55:10,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:55:10,460 INFO L87 Difference]: Start difference. First operand 698 states and 965 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:10,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:10,498 INFO L93 Difference]: Finished difference Result 1305 states and 1819 transitions.
[2024-12-02 06:55:10,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:55:10,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107
[2024-12-02 06:55:10,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:10,502 INFO L225 Difference]: With dead ends: 1305
[2024-12-02 06:55:10,503 INFO L226 Difference]: Without dead ends: 701
[2024-12-02 06:55:10,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:55:10,504 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:10,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1547 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:55:10,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states.
[2024-12-02 06:55:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701.
[2024-12-02 06:55:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3932253313696612) internal successors, (946), 692 states have internal predecessors, (946), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:55:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 970 transitions.
[2024-12-02 06:55:10,528 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 970 transitions. Word has length 107
[2024-12-02 06:55:10,529 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:10,529 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 970 transitions.
[2024-12-02 06:55:10,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 970 transitions.
[2024-12-02 06:55:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-12-02 06:55:10,530 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:10,530 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:10,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 06:55:10,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 06:55:10,731 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:10,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:10,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1187867056, now seen corresponding path program 1 times
[2024-12-02 06:55:10,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:10,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340364422]
[2024-12-02 06:55:10,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:10,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:55:11,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:11,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340364422]
[2024-12-02 06:55:11,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340364422] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:11,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926846029]
[2024-12-02 06:55:11,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:11,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:11,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:11,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:11,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 06:55:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:11,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:11,588 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:55:11,651 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:55:11,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926846029] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:55:11,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:55:11,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-12-02 06:55:11,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791770317]
[2024-12-02 06:55:11,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:11,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:55:11,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:11,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:55:11,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:55:11,747 INFO L87 Difference]: Start difference. First operand 701 states and 970 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:55:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:11,868 INFO L93 Difference]: Finished difference Result 1319 states and 1845 transitions.
[2024-12-02 06:55:11,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:55:11,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 109
[2024-12-02 06:55:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:11,871 INFO L225 Difference]: With dead ends: 1319
[2024-12-02 06:55:11,871 INFO L226 Difference]: Without dead ends: 710
[2024-12-02 06:55:11,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156
[2024-12-02 06:55:11,872 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 4 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:11,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2062 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:55:11,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states.
[2024-12-02 06:55:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710.
[2024-12-02 06:55:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 687 states have (on average 1.3944687045123727) internal successors, (958), 700 states have internal predecessors, (958), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 984 transitions.
[2024-12-02 06:55:11,889 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 984 transitions. Word has length 109
[2024-12-02 06:55:11,889 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:11,889 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 984 transitions.
[2024-12-02 06:55:11,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:55:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 984 transitions.
[2024-12-02 06:55:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-12-02 06:55:11,890 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:11,890 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:11,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 06:55:12,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 06:55:12,091 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:12,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:12,091 INFO L85 PathProgramCache]: Analyzing trace with hash 682690638, now seen corresponding path program 2 times
[2024-12-02 06:55:12,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573782458]
[2024-12-02 06:55:12,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:55:12,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:12,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:55:12,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:55:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:12,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573782458]
[2024-12-02 06:55:12,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573782458] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862351702]
[2024-12-02 06:55:12,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:55:12,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:12,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:12,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 06:55:12,924 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:55:12,924 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:55:12,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:12,928 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:12,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 06:55:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-12-02 06:55:12,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:12,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862351702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:12,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:12,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7
[2024-12-02 06:55:12,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095866418]
[2024-12-02 06:55:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:12,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:55:12,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:12,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:55:12,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:55:12,949 INFO L87 Difference]: Start difference. First operand 710 states and 984 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:12,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:12,968 INFO L93 Difference]: Finished difference Result 710 states and 984 transitions.
[2024-12-02 06:55:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:55:12,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 113
[2024-12-02 06:55:12,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:12,972 INFO L225 Difference]: With dead ends: 710
[2024-12-02 06:55:12,972 INFO L226 Difference]: Without dead ends: 709
[2024-12-02 06:55:12,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:55:12,973 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 1 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:12,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1030 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:55:12,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states.
[2024-12-02 06:55:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709.
[2024-12-02 06:55:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 687 states have (on average 1.3930131004366813) internal successors, (957), 699 states have internal predecessors, (957), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 983 transitions.
[2024-12-02 06:55:12,989 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 983 transitions. Word has length 113
[2024-12-02 06:55:12,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:12,989 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 983 transitions.
[2024-12-02 06:55:12,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 983 transitions.
[2024-12-02 06:55:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-12-02 06:55:12,990 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:12,990 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:12,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 06:55:13,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:13,191 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:13,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:13,191 INFO L85 PathProgramCache]: Analyzing trace with hash -311426617, now seen corresponding path program 1 times
[2024-12-02 06:55:13,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:13,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611291226]
[2024-12-02 06:55:13,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:13,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:13,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:13,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611291226]
[2024-12-02 06:55:13,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611291226] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:13,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8170619]
[2024-12-02 06:55:13,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:13,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:13,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:13,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:13,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 06:55:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:14,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:14,297 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:14,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:14,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8170619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:14,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:14,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11
[2024-12-02 06:55:14,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870996817]
[2024-12-02 06:55:14,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:14,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:55:14,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:14,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:55:14,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:55:14,576 INFO L87 Difference]: Start difference. First operand 709 states and 983 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:14,918 INFO L93 Difference]: Finished difference Result 1374 states and 1921 transitions.
[2024-12-02 06:55:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 06:55:14,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114
[2024-12-02 06:55:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:14,921 INFO L225 Difference]: With dead ends: 1374
[2024-12-02 06:55:14,921 INFO L226 Difference]: Without dead ends: 719
[2024-12-02 06:55:14,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:55:14,922 INFO L435 NwaCegarLoop]: 499 mSDtfsCounter, 8 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:14,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2678 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:55:14,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states.
[2024-12-02 06:55:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 717.
[2024-12-02 06:55:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 695 states have (on average 1.3913669064748202) internal successors, (967), 707 states have internal predecessors, (967), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions.
[2024-12-02 06:55:14,945 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 114
[2024-12-02 06:55:14,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:14,945 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions.
[2024-12-02 06:55:14,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions.
[2024-12-02 06:55:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-12-02 06:55:14,946 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:14,946 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:14,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 06:55:15,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:15,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:15,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash 698788323, now seen corresponding path program 1 times
[2024-12-02 06:55:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:15,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069139072]
[2024-12-02 06:55:15,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:15,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:15,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:15,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069139072]
[2024-12-02 06:55:15,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069139072] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:15,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:55:15,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 06:55:15,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441175238]
[2024-12-02 06:55:15,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:15,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:55:15,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:15,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:55:15,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:55:15,479 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:15,879 INFO L93 Difference]: Finished difference Result 1386 states and 1936 transitions.
[2024-12-02 06:55:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 06:55:15,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114
[2024-12-02 06:55:15,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:15,886 INFO L225 Difference]: With dead ends: 1386
[2024-12-02 06:55:15,886 INFO L226 Difference]: Without dead ends: 727
[2024-12-02 06:55:15,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:55:15,887 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 8 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:15,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2685 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:55:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states.
[2024-12-02 06:55:15,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 717.
[2024-12-02 06:55:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 695 states have (on average 1.3913669064748202) internal successors, (967), 707 states have internal predecessors, (967), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions.
[2024-12-02 06:55:15,910 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 114
[2024-12-02 06:55:15,910 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:15,910 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions.
[2024-12-02 06:55:15,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions.
[2024-12-02 06:55:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-12-02 06:55:15,911 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:15,912 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:15,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 06:55:15,912 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:15,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:15,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2068291894, now seen corresponding path program 1 times
[2024-12-02 06:55:15,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:15,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682512594]
[2024-12-02 06:55:15,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:15,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:16,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:16,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682512594]
[2024-12-02 06:55:16,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682512594] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:16,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363587175]
[2024-12-02 06:55:16,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:16,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:16,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:16,416 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:16,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 06:55:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:16,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:16,860 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:17,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:17,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363587175] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:17,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:17,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12
[2024-12-02 06:55:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615327026]
[2024-12-02 06:55:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:17,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 06:55:17,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:17,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 06:55:17,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:55:17,032 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:17,772 INFO L93 Difference]: Finished difference Result 1391 states and 1940 transitions.
[2024-12-02 06:55:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 06:55:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 115
[2024-12-02 06:55:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:17,775 INFO L225 Difference]: With dead ends: 1391
[2024-12-02 06:55:17,775 INFO L226 Difference]: Without dead ends: 737
[2024-12-02 06:55:17,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:55:17,776 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 13 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:17,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3130 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:55:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states.
[2024-12-02 06:55:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 727.
[2024-12-02 06:55:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 705 states have (on average 1.3886524822695034) internal successors, (979), 717 states have internal predecessors, (979), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1005 transitions.
[2024-12-02 06:55:17,797 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1005 transitions. Word has length 115
[2024-12-02 06:55:17,797 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:17,797 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1005 transitions.
[2024-12-02 06:55:17,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1005 transitions.
[2024-12-02 06:55:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-12-02 06:55:17,799 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:17,799 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:17,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 06:55:17,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-12-02 06:55:17,999 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:18,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash -974783334, now seen corresponding path program 1 times
[2024-12-02 06:55:18,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795923544]
[2024-12-02 06:55:18,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:18,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:18,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795923544]
[2024-12-02 06:55:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795923544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:18,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:55:18,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 06:55:18,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639425121]
[2024-12-02 06:55:18,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:18,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 06:55:18,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:18,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 06:55:18,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:18,376 INFO L87 Difference]: Start difference. First operand 727 states and 1005 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:18,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:18,824 INFO L93 Difference]: Finished difference Result 1406 states and 1958 transitions.
[2024-12-02 06:55:18,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 06:55:18,824 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 115
[2024-12-02 06:55:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:18,826 INFO L225 Difference]: With dead ends: 1406
[2024-12-02 06:55:18,826 INFO L226 Difference]: Without dead ends: 747
[2024-12-02 06:55:18,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:18,827 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 16 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:18,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3646 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:55:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states.
[2024-12-02 06:55:18,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 741.
[2024-12-02 06:55:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 719 states have (on average 1.3866481223922114) internal successors, (997), 731 states have internal predecessors, (997), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1023 transitions.
[2024-12-02 06:55:18,848 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1023 transitions. Word has length 115
[2024-12-02 06:55:18,848 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:18,848 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1023 transitions.
[2024-12-02 06:55:18,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1023 transitions.
[2024-12-02 06:55:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-12-02 06:55:18,850 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:18,850 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:18,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 06:55:18,850 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:18,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash -544339269, now seen corresponding path program 1 times
[2024-12-02 06:55:18,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:18,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668134522]
[2024-12-02 06:55:18,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:19,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:19,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668134522]
[2024-12-02 06:55:19,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668134522] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:19,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815866580]
[2024-12-02 06:55:19,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:19,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:19,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:19,326 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:19,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 06:55:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:19,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:19,951 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:20,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:20,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815866580] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:20,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:20,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14
[2024-12-02 06:55:20,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930882954]
[2024-12-02 06:55:20,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:20,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:55:20,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:20,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:55:20,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:55:20,508 INFO L87 Difference]: Start difference. First operand 741 states and 1023 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:22,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:55:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:23,078 INFO L93 Difference]: Finished difference Result 1432 states and 1996 transitions.
[2024-12-02 06:55:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:55:23,078 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 116
[2024-12-02 06:55:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:23,082 INFO L225 Difference]: With dead ends: 1432
[2024-12-02 06:55:23,082 INFO L226 Difference]: Without dead ends: 761
[2024-12-02 06:55:23,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:55:23,084 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 13 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:23,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4047 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 06:55:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states.
[2024-12-02 06:55:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 755.
[2024-12-02 06:55:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 733 states have (on average 1.3847203274215552) internal successors, (1015), 745 states have internal predecessors, (1015), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1041 transitions.
[2024-12-02 06:55:23,098 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1041 transitions. Word has length 116
[2024-12-02 06:55:23,098 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:23,098 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1041 transitions.
[2024-12-02 06:55:23,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1041 transitions.
[2024-12-02 06:55:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-12-02 06:55:23,100 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:23,100 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:23,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 06:55:23,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 06:55:23,301 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:23,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash 461296443, now seen corresponding path program 1 times
[2024-12-02 06:55:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:23,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49738437]
[2024-12-02 06:55:23,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:23,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:23,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49738437]
[2024-12-02 06:55:23,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49738437] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:23,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331036738]
[2024-12-02 06:55:23,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:23,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:23,701 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:23,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 06:55:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:24,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:24,156 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2024-12-02 06:55:24,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:24,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331036738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:24,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11
[2024-12-02 06:55:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600214340]
[2024-12-02 06:55:24,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:24,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:55:24,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:24,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:55:24,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:55:24,253 INFO L87 Difference]: Start difference. First operand 755 states and 1041 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:24,545 INFO L93 Difference]: Finished difference Result 1438 states and 2000 transitions.
[2024-12-02 06:55:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 06:55:24,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 116
[2024-12-02 06:55:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:24,548 INFO L225 Difference]: With dead ends: 1438
[2024-12-02 06:55:24,548 INFO L226 Difference]: Without dead ends: 765
[2024-12-02 06:55:24,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2024-12-02 06:55:24,549 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 31 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:24,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2696 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:55:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states.
[2024-12-02 06:55:24,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 759.
[2024-12-02 06:55:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 737 states have (on average 1.3826322930800543) internal successors, (1019), 749 states have internal predecessors, (1019), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:55:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1045 transitions.
[2024-12-02 06:55:24,570 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1045 transitions. Word has length 116
[2024-12-02 06:55:24,570 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:24,570 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1045 transitions.
[2024-12-02 06:55:24,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1045 transitions.
[2024-12-02 06:55:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-12-02 06:55:24,571 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:24,571 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:24,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 06:55:24,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-12-02 06:55:24,772 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:24,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1847282302, now seen corresponding path program 1 times
[2024-12-02 06:55:24,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:24,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439107351]
[2024-12-02 06:55:24,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:55:25,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:25,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439107351]
[2024-12-02 06:55:25,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439107351] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:25,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903053261]
[2024-12-02 06:55:25,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:25,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:25,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:25,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 06:55:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:25,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:25,599 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:55:25,723 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 8 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:55:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903053261] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:55:33,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:55:33,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 20
[2024-12-02 06:55:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890031246]
[2024-12-02 06:55:33,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:33,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-12-02 06:55:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:33,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-12-02 06:55:33,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=280, Unknown=2, NotChecked=0, Total=380
[2024-12-02 06:55:33,953 INFO L87 Difference]: Start difference. First operand 759 states and 1045 transitions. Second operand has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:55:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:34,717 INFO L93 Difference]: Finished difference Result 1416 states and 1975 transitions.
[2024-12-02 06:55:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-12-02 06:55:34,718 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116
[2024-12-02 06:55:34,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:34,720 INFO L225 Difference]: With dead ends: 1416
[2024-12-02 06:55:34,720 INFO L226 Difference]: Without dead ends: 772
[2024-12-02 06:55:34,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=303, Invalid=955, Unknown=2, NotChecked=0, Total=1260
[2024-12-02 06:55:34,721 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 42 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 5495 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:34,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 5495 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:55:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states.
[2024-12-02 06:55:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 768.
[2024-12-02 06:55:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 746 states have (on average 1.3847184986595173) internal successors, (1033), 758 states have internal predecessors, (1033), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:55:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1057 transitions.
[2024-12-02 06:55:34,735 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1057 transitions. Word has length 116
[2024-12-02 06:55:34,736 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:34,736 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1057 transitions.
[2024-12-02 06:55:34,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:55:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1057 transitions.
[2024-12-02 06:55:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-12-02 06:55:34,736 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:34,737 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:34,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 06:55:34,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:34,937 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:34,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:34,938 INFO L85 PathProgramCache]: Analyzing trace with hash 264372109, now seen corresponding path program 2 times
[2024-12-02 06:55:34,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:34,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402417249]
[2024-12-02 06:55:34,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:55:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:35,090 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:55:35,090 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:55:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 83 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2024-12-02 06:55:35,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:35,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402417249]
[2024-12-02 06:55:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402417249] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:35,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405533876]
[2024-12-02 06:55:35,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:55:35,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:35,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:35,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:35,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 06:55:35,816 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:55:35,816 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:55:35,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:35,822 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:35,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:55:36,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11
[2024-12-02 06:55:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2024-12-02 06:55:36,133 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:38,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405533876] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:38,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:55:38,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14
[2024-12-02 06:55:38,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126852765]
[2024-12-02 06:55:38,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:38,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 06:55:38,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:38,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 06:55:38,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=257, Unknown=1, NotChecked=0, Total=306
[2024-12-02 06:55:38,576 INFO L87 Difference]: Start difference. First operand 768 states and 1057 transitions. Second operand has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 06:55:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:39,543 INFO L93 Difference]: Finished difference Result 1882 states and 2603 transitions.
[2024-12-02 06:55:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-12-02 06:55:39,543 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 125
[2024-12-02 06:55:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:39,547 INFO L225 Difference]: With dead ends: 1882
[2024-12-02 06:55:39,547 INFO L226 Difference]: Without dead ends: 1229
[2024-12-02 06:55:39,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=91, Invalid=558, Unknown=1, NotChecked=0, Total=650
[2024-12-02 06:55:39,548 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 589 mSDsluCounter, 7497 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 8176 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:39,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 8176 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:55:39,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states.
[2024-12-02 06:55:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 802.
[2024-12-02 06:55:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 777 states have (on average 1.3848133848133848) internal successors, (1076), 790 states have internal predecessors, (1076), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:55:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1100 transitions.
[2024-12-02 06:55:39,576 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1100 transitions. Word has length 125
[2024-12-02 06:55:39,576 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:39,576 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1100 transitions.
[2024-12-02 06:55:39,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 06:55:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1100 transitions.
[2024-12-02 06:55:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-12-02 06:55:39,577 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:39,577 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:39,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 06:55:39,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:39,778 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:39,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash 474905988, now seen corresponding path program 1 times
[2024-12-02 06:55:39,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:39,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233746641]
[2024-12-02 06:55:39,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:39,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:40,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:40,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233746641]
[2024-12-02 06:55:40,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233746641] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146463270]
[2024-12-02 06:55:40,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:40,193 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 06:55:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:40,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:40,682 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2024-12-02 06:55:40,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:40,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146463270] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:40,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:40,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8
[2024-12-02 06:55:40,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906986017]
[2024-12-02 06:55:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:40,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:55:40,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:40,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:55:40,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:55:40,877 INFO L87 Difference]: Start difference. First operand 802 states and 1100 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:40,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:40,926 INFO L93 Difference]: Finished difference Result 803 states and 1101 transitions.
[2024-12-02 06:55:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:55:40,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 128
[2024-12-02 06:55:40,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:40,932 INFO L225 Difference]: With dead ends: 803
[2024-12-02 06:55:40,932 INFO L226 Difference]: Without dead ends: 802
[2024-12-02 06:55:40,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:40,933 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 415 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:40,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1007 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:55:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states.
[2024-12-02 06:55:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 801.
[2024-12-02 06:55:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 777 states have (on average 1.3835263835263836) internal successors, (1075), 789 states have internal predecessors, (1075), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:55:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1099 transitions.
[2024-12-02 06:55:40,958 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1099 transitions. Word has length 128
[2024-12-02 06:55:40,958 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:40,958 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1099 transitions.
[2024-12-02 06:55:40,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1099 transitions.
[2024-12-02 06:55:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-12-02 06:55:40,959 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:40,959 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:40,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 06:55:41,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-12-02 06:55:41,159 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:41,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1837185347, now seen corresponding path program 1 times
[2024-12-02 06:55:41,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:41,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749693154]
[2024-12-02 06:55:41,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:41,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:41,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749693154]
[2024-12-02 06:55:41,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749693154] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:41,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168498429]
[2024-12-02 06:55:41,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:41,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:41,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:41,636 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:41,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-02 06:55:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:42,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:42,173 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2024-12-02 06:55:42,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:42,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168498429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:42,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:42,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8
[2024-12-02 06:55:42,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177244324]
[2024-12-02 06:55:42,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:42,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:55:42,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:42,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:55:42,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:55:42,457 INFO L87 Difference]: Start difference. First operand 801 states and 1099 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:42,523 INFO L93 Difference]: Finished difference Result 815 states and 1121 transitions.
[2024-12-02 06:55:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:55:42,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 129
[2024-12-02 06:55:42,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:42,526 INFO L225 Difference]: With dead ends: 815
[2024-12-02 06:55:42,526 INFO L226 Difference]: Without dead ends: 814
[2024-12-02 06:55:42,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:42,528 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 392 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:42,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1049 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:55:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states.
[2024-12-02 06:55:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 805.
[2024-12-02 06:55:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 781 states have (on average 1.381562099871959) internal successors, (1079), 793 states have internal predecessors, (1079), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:55:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1103 transitions.
[2024-12-02 06:55:42,557 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1103 transitions. Word has length 129
[2024-12-02 06:55:42,557 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:42,557 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1103 transitions.
[2024-12-02 06:55:42,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1103 transitions.
[2024-12-02 06:55:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-12-02 06:55:42,558 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:42,558 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:42,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-02 06:55:42,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-12-02 06:55:42,759 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:42,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash 506344451, now seen corresponding path program 1 times
[2024-12-02 06:55:42,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:42,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023503443]
[2024-12-02 06:55:42,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:42,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2024-12-02 06:55:43,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:43,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023503443]
[2024-12-02 06:55:43,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023503443] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:43,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555693614]
[2024-12-02 06:55:43,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:43,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:43,180 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:43,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-02 06:55:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:43,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:43,679 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2024-12-02 06:55:43,876 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2024-12-02 06:55:44,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555693614] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:55:44,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:55:44,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 14
[2024-12-02 06:55:44,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13026748]
[2024-12-02 06:55:44,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:44,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 06:55:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:44,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 06:55:44,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:55:44,076 INFO L87 Difference]: Start difference. First operand 805 states and 1103 transitions. Second operand has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9)
[2024-12-02 06:55:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:44,770 INFO L93 Difference]: Finished difference Result 1721 states and 2418 transitions.
[2024-12-02 06:55:44,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2024-12-02 06:55:44,770 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 141
[2024-12-02 06:55:44,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:44,773 INFO L225 Difference]: With dead ends: 1721
[2024-12-02 06:55:44,773 INFO L226 Difference]: Without dead ends: 1342
[2024-12-02 06:55:44,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332
[2024-12-02 06:55:44,774 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 2907 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:44,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 3359 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:55:44,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states.
[2024-12-02 06:55:44,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 865.
[2024-12-02 06:55:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 823 states have (on average 1.37910085054678) internal successors, (1135), 850 states have internal predecessors, (1135), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:55:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1189 transitions.
[2024-12-02 06:55:44,812 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1189 transitions. Word has length 141
[2024-12-02 06:55:44,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:44,813 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1189 transitions.
[2024-12-02 06:55:44,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9)
[2024-12-02 06:55:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1189 transitions.
[2024-12-02 06:55:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2024-12-02 06:55:44,814 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:44,814 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:44,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-02 06:55:45,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:45,015 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:45,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:45,015 INFO L85 PathProgramCache]: Analyzing trace with hash 428553871, now seen corresponding path program 1 times
[2024-12-02 06:55:45,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:45,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771500520]
[2024-12-02 06:55:45,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:45,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:45,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:45,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771500520]
[2024-12-02 06:55:45,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771500520] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:45,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783005361]
[2024-12-02 06:55:45,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:45,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:45,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:45,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-12-02 06:55:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:46,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:46,183 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:46,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 06:55:46,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9
[2024-12-02 06:55:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:46,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:46,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783005361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:46,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:46,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-12-02 06:55:46,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121581396]
[2024-12-02 06:55:46,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:46,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:55:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:46,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:55:46,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:46,353 INFO L87 Difference]: Start difference. First operand 865 states and 1189 transitions. Second operand has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:46,483 INFO L93 Difference]: Finished difference Result 1157 states and 1619 transitions.
[2024-12-02 06:55:46,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:55:46,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 201
[2024-12-02 06:55:46,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:46,488 INFO L225 Difference]: With dead ends: 1157
[2024-12-02 06:55:46,488 INFO L226 Difference]: Without dead ends: 1156
[2024-12-02 06:55:46,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:55:46,489 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 410 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:46,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1285 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:55:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states.
[2024-12-02 06:55:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 864.
[2024-12-02 06:55:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 823 states have (on average 1.3778857837181044) internal successors, (1134), 849 states have internal predecessors, (1134), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:55:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1188 transitions.
[2024-12-02 06:55:46,529 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1188 transitions. Word has length 201
[2024-12-02 06:55:46,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:46,530 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1188 transitions.
[2024-12-02 06:55:46,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1188 transitions.
[2024-12-02 06:55:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2024-12-02 06:55:46,531 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:46,531 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:46,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2024-12-02 06:55:46,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2024-12-02 06:55:46,732 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:46,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 400268946, now seen corresponding path program 1 times
[2024-12-02 06:55:46,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:46,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047301052]
[2024-12-02 06:55:46,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:46,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:47,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:47,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047301052]
[2024-12-02 06:55:47,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047301052] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:47,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981909348]
[2024-12-02 06:55:47,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:47,261 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-12-02 06:55:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:47,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:47,873 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:48,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 06:55:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-12-02 06:55:48,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:55:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981909348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:55:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:55:48,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-12-02 06:55:48,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902111158]
[2024-12-02 06:55:48,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:55:48,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:55:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:48,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:55:48,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:55:48,023 INFO L87 Difference]: Start difference. First operand 864 states and 1188 transitions. Second operand has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:48,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:48,210 INFO L93 Difference]: Finished difference Result 1156 states and 1618 transitions.
[2024-12-02 06:55:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:55:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 202
[2024-12-02 06:55:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:55:48,215 INFO L225 Difference]: With dead ends: 1156
[2024-12-02 06:55:48,215 INFO L226 Difference]: Without dead ends: 1155
[2024-12-02 06:55:48,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:55:48,216 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 408 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:55:48,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1750 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:55:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states.
[2024-12-02 06:55:48,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 863.
[2024-12-02 06:55:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 823 states have (on average 1.376670716889429) internal successors, (1133), 848 states have internal predecessors, (1133), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:55:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1187 transitions.
[2024-12-02 06:55:48,263 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1187 transitions. Word has length 202
[2024-12-02 06:55:48,263 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:55:48,263 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1187 transitions.
[2024-12-02 06:55:48,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:55:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1187 transitions.
[2024-12-02 06:55:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2024-12-02 06:55:48,264 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:55:48,264 INFO L218 NwaCegarLoop]: trace histogram [16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:48,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2024-12-02 06:55:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2024-12-02 06:55:48,465 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:55:48,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:48,465 INFO L85 PathProgramCache]: Analyzing trace with hash -137435719, now seen corresponding path program 1 times
[2024-12-02 06:55:48,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:55:48,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190572012]
[2024-12-02 06:55:48,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 68 proven. 100 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2024-12-02 06:55:49,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:55:49,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190572012]
[2024-12-02 06:55:49,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190572012] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:49,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264859274]
[2024-12-02 06:55:49,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:49,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:49,857 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:49,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2024-12-02 06:55:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:50,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 37 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:50,756 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:50,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:55:51,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11
[2024-12-02 06:55:51,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:55:51,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-12-02 06:55:51,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:55:51,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40
[2024-12-02 06:55:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 59 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-12-02 06:55:51,872 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:53,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24
[2024-12-02 06:55:55,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264859274] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:55,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:55:55,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22
[2024-12-02 06:55:55,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304713165]
[2024-12-02 06:55:55,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:55,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 06:55:55,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:55:55,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 06:55:55,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056
[2024-12-02 06:55:55,177 INFO L87 Difference]: Start difference. First operand 863 states and 1187 transitions. Second operand has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 06:56:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:01,023 INFO L93 Difference]: Finished difference Result 2090 states and 2896 transitions.
[2024-12-02 06:56:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-12-02 06:56:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 209
[2024-12-02 06:56:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:01,026 INFO L225 Difference]: With dead ends: 2090
[2024-12-02 06:56:01,027 INFO L226 Difference]: Without dead ends: 1352
[2024-12-02 06:56:01,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 299 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=267, Invalid=2085, Unknown=0, NotChecked=0, Total=2352
[2024-12-02 06:56:01,028 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 688 mSDsluCounter, 10368 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 11029 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:01,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 11029 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-12-02 06:56:01,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states.
[2024-12-02 06:56:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 894.
[2024-12-02 06:56:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 854 states have (on average 1.3629976580796253) internal successors, (1164), 879 states have internal predecessors, (1164), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:56:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1218 transitions.
[2024-12-02 06:56:01,073 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1218 transitions. Word has length 209
[2024-12-02 06:56:01,073 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:01,074 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1218 transitions.
[2024-12-02 06:56:01,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 06:56:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1218 transitions.
[2024-12-02 06:56:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-12-02 06:56:01,075 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:01,075 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:01,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0
[2024-12-02 06:56:01,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2024-12-02 06:56:01,276 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:56:01,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:01,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2009540358, now seen corresponding path program 1 times
[2024-12-02 06:56:01,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:01,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196945817]
[2024-12-02 06:56:01,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 71 proven. 118 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2024-12-02 06:56:02,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:02,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196945817]
[2024-12-02 06:56:02,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196945817] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:56:02,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111144063]
[2024-12-02 06:56:02,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:02,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:02,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:02,433 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-12-02 06:56:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:03,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-12-02 06:56:03,603 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:56:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-12-02 06:56:03,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:56:03,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111144063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:03,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:56:03,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16
[2024-12-02 06:56:03,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736040618]
[2024-12-02 06:56:03,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:03,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:56:03,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:03,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:56:03,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:56:03,880 INFO L87 Difference]: Start difference. First operand 894 states and 1218 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:56:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:04,356 INFO L93 Difference]: Finished difference Result 1719 states and 2360 transitions.
[2024-12-02 06:56:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 06:56:04,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 213
[2024-12-02 06:56:04,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:04,359 INFO L225 Difference]: With dead ends: 1719
[2024-12-02 06:56:04,359 INFO L226 Difference]: Without dead ends: 904
[2024-12-02 06:56:04,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:56:04,360 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 6 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:04,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2667 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:56:04,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states.
[2024-12-02 06:56:04,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 894.
[2024-12-02 06:56:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 854 states have (on average 1.3629976580796253) internal successors, (1164), 879 states have internal predecessors, (1164), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:56:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1218 transitions.
[2024-12-02 06:56:04,386 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1218 transitions. Word has length 213
[2024-12-02 06:56:04,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:04,386 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1218 transitions.
[2024-12-02 06:56:04,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:56:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1218 transitions.
[2024-12-02 06:56:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-12-02 06:56:04,387 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:04,387 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:04,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-12-02 06:56:04,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2024-12-02 06:56:04,588 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:56:04,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:04,588 INFO L85 PathProgramCache]: Analyzing trace with hash 243935184, now seen corresponding path program 1 times
[2024-12-02 06:56:04,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683568244]
[2024-12-02 06:56:04,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:04,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked.
[2024-12-02 06:56:05,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:05,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683568244]
[2024-12-02 06:56:05,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683568244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:05,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:56:05,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 06:56:05,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737351307]
[2024-12-02 06:56:05,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:05,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:56:05,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:05,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:56:05,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:56:05,083 INFO L87 Difference]: Start difference. First operand 894 states and 1218 transitions. Second operand has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:56:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:05,864 INFO L93 Difference]: Finished difference Result 1727 states and 2370 transitions.
[2024-12-02 06:56:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:56:05,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 213
[2024-12-02 06:56:05,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:05,869 INFO L225 Difference]: With dead ends: 1727
[2024-12-02 06:56:05,869 INFO L226 Difference]: Without dead ends: 912
[2024-12-02 06:56:05,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:56:05,870 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 19 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:05,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4035 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:56:05,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states.
[2024-12-02 06:56:05,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 900.
[2024-12-02 06:56:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 860 states have (on average 1.3604651162790697) internal successors, (1170), 885 states have internal predecessors, (1170), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:56:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1224 transitions.
[2024-12-02 06:56:05,898 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1224 transitions. Word has length 213
[2024-12-02 06:56:05,898 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:05,898 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1224 transitions.
[2024-12-02 06:56:05,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:56:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1224 transitions.
[2024-12-02 06:56:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2024-12-02 06:56:05,899 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:05,899 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:05,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 06:56:05,900 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:56:05,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1702036590, now seen corresponding path program 1 times
[2024-12-02 06:56:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:05,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592073069]
[2024-12-02 06:56:05,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 72 proven. 118 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2024-12-02 06:56:06,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:06,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592073069]
[2024-12-02 06:56:06,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592073069] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:56:06,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992879798]
[2024-12-02 06:56:06,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:06,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:06,851 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:06,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2024-12-02 06:56:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:08,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 43 conjuncts are in the unsatisfiable core
[2024-12-02 06:56:08,140 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:56:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 74 proven. 163 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-12-02 06:56:08,441 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:56:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 162 proven. 45 refuted. 10 times theorem prover too weak. 56 trivial. 0 not checked.
[2024-12-02 06:56:49,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992879798] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:56:49,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:56:49,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 34
[2024-12-02 06:56:49,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33857820]
[2024-12-02 06:56:49,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:56:49,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2024-12-02 06:56:49,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:49,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2024-12-02 06:56:49,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=802, Unknown=10, NotChecked=0, Total=1122
[2024-12-02 06:56:49,408 INFO L87 Difference]: Start difference. First operand 900 states and 1224 transitions. Second operand has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:56:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:54,471 INFO L93 Difference]: Finished difference Result 1723 states and 2373 transitions.
[2024-12-02 06:56:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2024-12-02 06:56:54,472 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 215
[2024-12-02 06:56:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:54,477 INFO L225 Difference]: With dead ends: 1723
[2024-12-02 06:56:54,477 INFO L226 Difference]: Without dead ends: 948
[2024-12-02 06:56:54,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=964, Invalid=2106, Unknown=10, NotChecked=0, Total=3080
[2024-12-02 06:56:54,479 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 14 mSDsluCounter, 6160 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:54,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6674 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:56:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states.
[2024-12-02 06:56:54,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 932.
[2024-12-02 06:56:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 892 states have (on average 1.3744394618834082) internal successors, (1226), 917 states have internal predecessors, (1226), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28)
[2024-12-02 06:56:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1280 transitions.
[2024-12-02 06:56:54,528 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1280 transitions. Word has length 215
[2024-12-02 06:56:54,528 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:54,528 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1280 transitions.
[2024-12-02 06:56:54,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:56:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1280 transitions.
[2024-12-02 06:56:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2024-12-02 06:56:54,530 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:54,530 INFO L218 NwaCegarLoop]: trace histogram [33, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:54,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2024-12-02 06:56:54,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2024-12-02 06:56:54,731 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:56:54,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:54,731 INFO L85 PathProgramCache]: Analyzing trace with hash 447680018, now seen corresponding path program 2 times
[2024-12-02 06:56:54,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:54,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596814725]
[2024-12-02 06:56:54,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:56:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:55,623 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:56:55,623 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:56:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 72 proven. 344 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked.
[2024-12-02 06:56:56,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596814725]
[2024-12-02 06:56:56,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596814725] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:56:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457607542]
[2024-12-02 06:56:56,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:56:56,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:56,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:56,388 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:56,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2024-12-02 06:57:02,513 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:57:02,514 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:57:02,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 333 conjuncts are in the unsatisfiable core
[2024-12-02 06:57:02,543 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:57:02,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-12-02 06:57:02,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 06:57:02,835 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size
[2024-12-02 06:57:02,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 06:57:02,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 06:57:02,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10
[2024-12-02 06:57:02,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2024-12-02 06:57:03,467 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2024-12-02 06:57:03,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45
[2024-12-02 06:57:03,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11
[2024-12-02 06:58:00,096 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-12-02 06:58:00,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101
[2024-12-02 06:58:00,097 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-12-02 06:58:00,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0
[2024-12-02 06:58:00,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:00,298 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:160)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:140)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:736)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:389)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:223)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:346)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:227)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190)
... 54 more
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 72 more
[2024-12-02 06:58:00,302 INFO L158 Benchmark]: Toolchain (without parser) took 711769.93ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 90.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.84ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.4MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.95ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 47.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: Boogie Preprocessor took 162.31ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 73.7MB in the end (delta: -26.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: RCFGBuilder took 1743.37ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 39.4MB in the end (delta: 34.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,303 INFO L158 Benchmark]: TraceAbstraction took 709193.09ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 38.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB.
[2024-12-02 06:58:00,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 586.84ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.4MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 78.95ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 47.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 162.31ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 73.7MB in the end (delta: -26.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB.
* RCFGBuilder took 1743.37ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 39.4MB in the end (delta: 34.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 709193.09ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 38.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/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_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/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 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:58:02,120 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:58:02,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf
[2024-12-02 06:58:02,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:58:02,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:58:02,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:58:02,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:58:02,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:58:02,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:58:02,232 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:58:02,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:58:02,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:58:02,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:58:02,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:58:02,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:58:02,234 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:58:02,234 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:58:02,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:58:02,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:58:02,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:58:02,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:58:02,236 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_ecbd49d1-0b24-407c-94ea-10b1553817d1/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 -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f
[2024-12-02 06:58:02,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:58:02,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:58:02,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:58:02,494 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:58:02,494 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:58:02,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i
[2024-12-02 06:58:05,198 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/34761774b/2fbe0c92e7b746ec92a3548a9b2b2930/FLAG66a61ad95
[2024-12-02 06:58:05,460 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:58:05,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i
[2024-12-02 06:58:05,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/34761774b/2fbe0c92e7b746ec92a3548a9b2b2930/FLAG66a61ad95
[2024-12-02 06:58:05,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/data/34761774b/2fbe0c92e7b746ec92a3548a9b2b2930
[2024-12-02 06:58:05,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:58:05,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:58:05,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:58:05,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:58:05,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:58:05,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:58:05" (1/1) ...
[2024-12-02 06:58:05,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837e838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:05, skipping insertion in model container
[2024-12-02 06:58:05,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:58:05" (1/1) ...
[2024-12-02 06:58:05,783 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:58:06,081 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,111 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,120 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,128 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,151 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,151 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,153 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,154 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,157 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,158 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,159 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,160 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,165 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,166 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,169 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,170 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,171 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,172 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,176 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,181 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:58:06,196 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-12-02 06:58:06,207 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:58:06,238 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,254 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,256 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,259 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,265 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,291 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,291 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,293 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,294 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,296 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,297 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,297 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,298 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,302 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,303 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,304 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,305 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,306 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,306 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,309 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 06:58:06,312 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:58:06,316 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:58:06,389 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:58:06,425 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:58:06,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06 WrapperNode
[2024-12-02 06:58:06,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:58:06,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:58:06,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:58:06,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:58:06,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,500 INFO L138 Inliner]: procedures = 180, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1176
[2024-12-02 06:58:06,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:58:06,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:58:06,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:58:06,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:58:06,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,613 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58].
[2024-12-02 06:58:06,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:58:06,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:58:06,694 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:58:06,694 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:58:06,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (1/1) ...
[2024-12-02 06:58:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:58:06,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:06,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:58:06,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:58:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-12-02 06:58:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 06:58:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-12-02 06:58:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-12-02 06:58:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-12-02 06:58:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-12-02 06:58:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 06:58:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-12-02 06:58:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:58:06,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:58:06,985 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:58:06,987 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:58:14,824 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live.
[2024-12-02 06:58:14,824 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:58:14,837 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:58:14,838 INFO L312 CfgBuilder]: Removed 41 assume(true) statements.
[2024-12-02 06:58:14,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:58:14 BoogieIcfgContainer
[2024-12-02 06:58:14,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:58:14,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:58:14,840 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:58:14,844 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:58:14,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:58:05" (1/3) ...
[2024-12-02 06:58:14,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794b557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:58:14, skipping insertion in model container
[2024-12-02 06:58:14,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:06" (2/3) ...
[2024-12-02 06:58:14,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794b557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:58:14, skipping insertion in model container
[2024-12-02 06:58:14,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:58:14" (3/3) ...
[2024-12-02 06:58:14,846 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-2.i
[2024-12-02 06:58:14,857 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:58:14,858 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test3-2.i that has 6 procedures, 270 locations, 1 initial locations, 43 loop locations, and 8 error locations.
[2024-12-02 06:58:14,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:58:14,913 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;@40e5b43e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:58:14,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-02 06:58:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 240 states have (on average 1.6541666666666666) internal successors, (397), 255 states have internal predecessors, (397), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 06:58:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 06:58:14,920 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:14,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:14,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:14,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times
[2024-12-02 06:58:14,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:14,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217770691]
[2024-12-02 06:58:14,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:14,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:14,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:14,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:14,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:58:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:15,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:15,165 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:15,197 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:15,198 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:15,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29
[2024-12-02 06:58:15,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:58:15,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 36
[2024-12-02 06:58:15,536 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 06:58:15,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:15,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:15,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217770691]
[2024-12-02 06:58:15,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217770691] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:15,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:15,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:58:15,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146396184]
[2024-12-02 06:58:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:15,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:58:15,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:15,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:58:15,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:58:15,563 INFO L87 Difference]: Start difference. First operand has 262 states, 240 states have (on average 1.6541666666666666) internal successors, (397), 255 states have internal predecessors, (397), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 06:58:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:16,724 INFO L93 Difference]: Finished difference Result 756 states and 1240 transitions.
[2024-12-02 06:58:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:58:16,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 06:58:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:16,734 INFO L225 Difference]: With dead ends: 756
[2024-12-02 06:58:16,734 INFO L226 Difference]: Without dead ends: 427
[2024-12-02 06:58:16,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:58:16,739 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 294 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:16,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1551 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 06:58:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states.
[2024-12-02 06:58:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 227.
[2024-12-02 06:58:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 212 states have (on average 1.2971698113207548) internal successors, (275), 221 states have internal predecessors, (275), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:58:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 291 transitions.
[2024-12-02 06:58:16,781 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 291 transitions. Word has length 8
[2024-12-02 06:58:16,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:16,781 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 291 transitions.
[2024-12-02 06:58:16,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 06:58:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 291 transitions.
[2024-12-02 06:58:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2024-12-02 06:58:16,783 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:16,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:16,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:58:16,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:16,983 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:16,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1057071681, now seen corresponding path program 1 times
[2024-12-02 06:58:16,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080993951]
[2024-12-02 06:58:16,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:16,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:16,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:16,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:16,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:58:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:17,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:17,358 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:17,750 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 06:58:17,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:17,751 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080993951]
[2024-12-02 06:58:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080993951] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:17,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:17,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:58:17,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134450140]
[2024-12-02 06:58:17,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:17,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:58:17,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:17,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:58:17,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:58:17,753 INFO L87 Difference]: Start difference. First operand 227 states and 291 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:58:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:18,605 INFO L93 Difference]: Finished difference Result 572 states and 745 transitions.
[2024-12-02 06:58:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:58:18,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63
[2024-12-02 06:58:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:18,608 INFO L225 Difference]: With dead ends: 572
[2024-12-02 06:58:18,608 INFO L226 Difference]: Without dead ends: 354
[2024-12-02 06:58:18,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 06:58:18,609 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 123 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:18,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 616 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:58:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2024-12-02 06:58:18,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 334.
[2024-12-02 06:58:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 319 states have (on average 1.3040752351097178) internal successors, (416), 328 states have internal predecessors, (416), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:58:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 432 transitions.
[2024-12-02 06:58:18,631 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 432 transitions. Word has length 63
[2024-12-02 06:58:18,631 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:18,631 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 432 transitions.
[2024-12-02 06:58:18,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:58:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 432 transitions.
[2024-12-02 06:58:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 06:58:18,633 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:18,633 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:18,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-12-02 06:58:18,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:18,834 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:18,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:18,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1917394397, now seen corresponding path program 1 times
[2024-12-02 06:58:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:18,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657522871]
[2024-12-02 06:58:18,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:18,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:18,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:18,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:18,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 06:58:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:19,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:19,214 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:58:19,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:19,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657522871]
[2024-12-02 06:58:19,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657522871] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:19,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:19,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:58:19,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174054142]
[2024-12-02 06:58:19,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:19,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:58:19,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:19,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:58:19,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:58:19,232 INFO L87 Difference]: Start difference. First operand 334 states and 432 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:19,352 INFO L93 Difference]: Finished difference Result 687 states and 900 transitions.
[2024-12-02 06:58:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:58:19,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78
[2024-12-02 06:58:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:19,355 INFO L225 Difference]: With dead ends: 687
[2024-12-02 06:58:19,355 INFO L226 Difference]: Without dead ends: 374
[2024-12-02 06:58:19,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 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 06:58:19,356 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 8 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:19,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 513 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:58:19,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states.
[2024-12-02 06:58:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374.
[2024-12-02 06:58:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 359 states have (on average 1.2701949860724233) internal successors, (456), 368 states have internal predecessors, (456), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:58:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 472 transitions.
[2024-12-02 06:58:19,373 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 472 transitions. Word has length 78
[2024-12-02 06:58:19,373 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:19,374 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 472 transitions.
[2024-12-02 06:58:19,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 472 transitions.
[2024-12-02 06:58:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 06:58:19,375 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:19,375 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:19,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 06:58:19,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:19,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:19,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2119218331, now seen corresponding path program 1 times
[2024-12-02 06:58:19,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:19,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801257988]
[2024-12-02 06:58:19,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:19,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:19,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 06:58:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:19,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:19,945 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:58:19,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:19,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801257988]
[2024-12-02 06:58:19,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801257988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:19,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:19,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:58:19,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415002914]
[2024-12-02 06:58:19,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:19,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:58:19,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:19,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:58:19,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:58:19,979 INFO L87 Difference]: Start difference. First operand 374 states and 472 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:20,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:20,138 INFO L93 Difference]: Finished difference Result 700 states and 896 transitions.
[2024-12-02 06:58:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:58:20,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78
[2024-12-02 06:58:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:20,141 INFO L225 Difference]: With dead ends: 700
[2024-12-02 06:58:20,141 INFO L226 Difference]: Without dead ends: 338
[2024-12-02 06:58:20,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:58:20,143 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 32 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:20,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 736 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:58:20,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states.
[2024-12-02 06:58:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338.
[2024-12-02 06:58:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 323 states have (on average 1.2321981424148607) internal successors, (398), 332 states have internal predecessors, (398), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 06:58:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 414 transitions.
[2024-12-02 06:58:20,158 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 414 transitions. Word has length 78
[2024-12-02 06:58:20,158 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:20,158 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 414 transitions.
[2024-12-02 06:58:20,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 414 transitions.
[2024-12-02 06:58:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 06:58:20,159 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:20,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:20,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 06:58:20,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:20,360 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:20,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1596247831, now seen corresponding path program 1 times
[2024-12-02 06:58:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:20,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32212633]
[2024-12-02 06:58:20,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:20,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:20,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:20,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:20,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 06:58:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:20,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:20,721 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:20,727 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:20,727 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:20,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29
[2024-12-02 06:58:21,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:58:21,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 22
[2024-12-02 06:58:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 06:58:21,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:21,812 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:21,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32212633]
[2024-12-02 06:58:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32212633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:21,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:21,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:58:21,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092471488]
[2024-12-02 06:58:21,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:21,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:58:21,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:21,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:58:21,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:58:21,814 INFO L87 Difference]: Start difference. First operand 338 states and 414 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:25,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:29,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:34,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:38,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:42,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:46,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 06:58:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:46,454 INFO L93 Difference]: Finished difference Result 535 states and 670 transitions.
[2024-12-02 06:58:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:58:46,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78
[2024-12-02 06:58:46,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:46,457 INFO L225 Difference]: With dead ends: 535
[2024-12-02 06:58:46,457 INFO L226 Difference]: Without dead ends: 534
[2024-12-02 06:58:46,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:58:46,458 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 178 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:46,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 977 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 6 Unknown, 0 Unchecked, 24.6s Time]
[2024-12-02 06:58:46,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states.
[2024-12-02 06:58:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 393.
[2024-12-02 06:58:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 374 states have (on average 1.2299465240641712) internal successors, (460), 383 states have internal predecessors, (460), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 06:58:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 482 transitions.
[2024-12-02 06:58:46,478 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 482 transitions. Word has length 78
[2024-12-02 06:58:46,479 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:46,479 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 482 transitions.
[2024-12-02 06:58:46,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 482 transitions.
[2024-12-02 06:58:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-12-02 06:58:46,480 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:46,480 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:46,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 06:58:46,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:46,685 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:46,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash -720447775, now seen corresponding path program 1 times
[2024-12-02 06:58:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:46,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747976689]
[2024-12-02 06:58:46,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:46,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:46,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:46,688 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:46,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 06:58:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:47,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:47,087 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:58:47,118 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:58:47,118 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:47,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747976689]
[2024-12-02 06:58:47,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747976689] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:58:47,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:58:47,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:58:47,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955531090]
[2024-12-02 06:58:47,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:58:47,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:58:47,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:47,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:58:47,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:58:47,120 INFO L87 Difference]: Start difference. First operand 393 states and 482 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:47,169 INFO L93 Difference]: Finished difference Result 740 states and 922 transitions.
[2024-12-02 06:58:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:58:47,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-12-02 06:58:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:47,172 INFO L225 Difference]: With dead ends: 740
[2024-12-02 06:58:47,172 INFO L226 Difference]: Without dead ends: 399
[2024-12-02 06:58:47,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:58:47,173 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:47,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 803 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:58:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states.
[2024-12-02 06:58:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399.
[2024-12-02 06:58:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 378 states have (on average 1.2328042328042328) internal successors, (466), 389 states have internal predecessors, (466), 11 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:58:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 490 transitions.
[2024-12-02 06:58:47,186 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 490 transitions. Word has length 84
[2024-12-02 06:58:47,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:47,187 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 490 transitions.
[2024-12-02 06:58:47,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:58:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 490 transitions.
[2024-12-02 06:58:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-12-02 06:58:47,188 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:47,188 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:47,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 06:58:47,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:47,389 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:47,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:47,389 INFO L85 PathProgramCache]: Analyzing trace with hash -32885213, now seen corresponding path program 1 times
[2024-12-02 06:58:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163293763]
[2024-12-02 06:58:47,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:58:47,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:47,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:47,391 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:47,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 06:58:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:58:47,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:47,844 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:58:47,878 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:58:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 06:58:47,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:47,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163293763]
[2024-12-02 06:58:47,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163293763] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:58:47,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:58:47,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-12-02 06:58:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052852467]
[2024-12-02 06:58:47,985 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:58:47,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 06:58:47,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:47,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 06:58:47,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:58:47,986 INFO L87 Difference]: Start difference. First operand 399 states and 490 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 06:58:48,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:48,197 INFO L93 Difference]: Finished difference Result 768 states and 966 transitions.
[2024-12-02 06:58:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:58:48,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 86
[2024-12-02 06:58:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:48,200 INFO L225 Difference]: With dead ends: 768
[2024-12-02 06:58:48,200 INFO L226 Difference]: Without dead ends: 421
[2024-12-02 06:58:48,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:58:48,201 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 5 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:48,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1338 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:58:48,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2024-12-02 06:58:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 417.
[2024-12-02 06:58:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 394 states have (on average 1.2538071065989849) internal successors, (494), 405 states have internal predecessors, (494), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15)
[2024-12-02 06:58:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 520 transitions.
[2024-12-02 06:58:48,223 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 520 transitions. Word has length 86
[2024-12-02 06:58:48,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:48,223 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 520 transitions.
[2024-12-02 06:58:48,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 06:58:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 520 transitions.
[2024-12-02 06:58:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 06:58:48,224 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:48,224 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:48,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 06:58:48,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:48,425 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:48,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1803417791, now seen corresponding path program 2 times
[2024-12-02 06:58:48,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:48,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267604728]
[2024-12-02 06:58:48,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:58:48,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:48,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 06:58:49,161 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:58:49,161 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:58:49,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:49,179 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-02 06:58:49,248 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:58:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-02 06:58:49,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:49,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267604728]
[2024-12-02 06:58:49,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267604728] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:58:49,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:58:49,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-12-02 06:58:49,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910396844]
[2024-12-02 06:58:49,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:58:49,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:58:49,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:49,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:58:49,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:58:49,413 INFO L87 Difference]: Start difference. First operand 417 states and 520 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 06:58:49,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:58:49,743 INFO L93 Difference]: Finished difference Result 794 states and 1005 transitions.
[2024-12-02 06:58:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-02 06:58:49,744 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 90
[2024-12-02 06:58:49,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:58:49,746 INFO L225 Difference]: With dead ends: 794
[2024-12-02 06:58:49,747 INFO L226 Difference]: Without dead ends: 429
[2024-12-02 06:58:49,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210
[2024-12-02 06:58:49,748 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 5 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:58:49,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1340 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:58:49,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states.
[2024-12-02 06:58:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 425.
[2024-12-02 06:58:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 402 states have (on average 1.2587064676616915) internal successors, (506), 413 states have internal predecessors, (506), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2024-12-02 06:58:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 530 transitions.
[2024-12-02 06:58:49,773 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 530 transitions. Word has length 90
[2024-12-02 06:58:49,773 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:58:49,773 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 530 transitions.
[2024-12-02 06:58:49,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 06:58:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 530 transitions.
[2024-12-02 06:58:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-12-02 06:58:49,774 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:58:49,774 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:58:49,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 06:58:49,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:49,975 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 06:58:49,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:58:49,975 INFO L85 PathProgramCache]: Analyzing trace with hash -977492863, now seen corresponding path program 3 times
[2024-12-02 06:58:49,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:58:49,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376321214]
[2024-12-02 06:58:49,976 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 06:58:49,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:58:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:58:49,978 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:58:49,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbd49d1-0b24-407c-94ea-10b1553817d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 06:58:52,373 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-02 06:58:52,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:58:52,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 06:58:52,396 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:52,402 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:52,402 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-02 06:58:52,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29
[2024-12-02 06:59:09,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:59:09,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 88
[2024-12-02 06:59:14,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 06:59:14,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 75
[2024-12-02 06:59:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-12-02 06:59:14,233 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:59:42,419 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (let ((.cse1 (bvadd (_ bv1 32) |c_ULTIMATE.start_main_#t~post138#1|))) (concat (concat (concat ((_ extract 31 24) .cse1) ((_ extract 23 16) .cse1)) ((_ extract 15 8) .cse1)) ((_ extract 7 0) .cse1)))))) (bvmul .cse0 .cse0))) is different from true
[2024-12-02 06:59:54,540 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (let ((.cse1 (bvadd (_ bv1 32) (let ((.cse2 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#i~0#1.base|))) (concat (concat (concat (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv3 32))) (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv2 32)))) (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv1 32)))) (select .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset|)))))) (concat (concat (concat ((_ extract 31 24) .cse1) ((_ extract 23 16) .cse1)) ((_ extract 15 8) .cse1)) ((_ extract 7 0) .cse1)))))) (bvmul .cse0 .cse0))) is different from true