./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version cf1a7837
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl --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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:18:57,959 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:18:58,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-12 02:18:58,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:18:58,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:18:58,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:18:58,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:18:58,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:18:58,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:18:58,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:18:58,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:18:58,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-12 02:18:58,149 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-12 02:18:58,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:18:58,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:18:58,152 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-12 02:18:58,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-12 02:18:58,153 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-12 02:18:58,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-12 02:18:58,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:18:58,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:18:58,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:18:58,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-12 02:18:58,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-12 02:18:58,156 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-12 02:18:58,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-12 02:18:58,157 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-12 02:18:58,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:18:58,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-12 02:18:58,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-12 02:18:58,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:18:58,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:18:58,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:18:58,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:18:58,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-12 02:18:58,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:18:58,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:18:58,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:18:58,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:18:58,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:18:58,163 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:18:58,163 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a
[2023-11-12 02:18:58,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:18:58,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:18:58,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:18:58,547 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-12 02:18:58,547 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-12 02:18:58,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i
[2023-11-12 02:19:01,697 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:19:02,013 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-12 02:19:02,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i
[2023-11-12 02:19:02,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/data/234e841cb/a8d4186a265c475292b31d8bb159a5ab/FLAG9d31d5a60
[2023-11-12 02:19:02,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/data/234e841cb/a8d4186a265c475292b31d8bb159a5ab
[2023-11-12 02:19:02,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:19:02,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:19:02,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:19:02,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:19:02,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:19:02,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456e34f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02, skipping insertion in model container
[2023-11-12 02:19:02,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,151 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:19:02,678 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:19:02,699 INFO L202 MainTranslator]: Completed pre-run
[2023-11-12 02:19:02,765 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:19:02,805 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler.
[2023-11-12 02:19:02,812 INFO L206 MainTranslator]: Completed translation
[2023-11-12 02:19:02,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02 WrapperNode
[2023-11-12 02:19:02,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:19:02,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:19:02,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:19:02,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:19:02,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,863 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50
[2023-11-12 02:19:02,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:19:02,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:19:02,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:19:02,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:19:02,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:19:02,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:19:02,896 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:19:02,896 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:19:02,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (1/1) ...
[2023-11-12 02:19:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:19:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:02,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:19:02,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:19:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2023-11-12 02:19:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2023-11-12 02:19:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-12 02:19:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-12 02:19:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-12 02:19:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-12 02:19:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-12 02:19:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-12 02:19:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:19:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:19:03,088 INFO L236 CfgBuilder]: Building ICFG
[2023-11-12 02:19:03,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:19:03,291 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-12 02:19:03,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:19:03,298 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-12 02:19:03,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:03 BoogieIcfgContainer
[2023-11-12 02:19:03,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:19:03,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:19:03,303 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:19:03,306 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:19:03,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:02" (1/3) ...
[2023-11-12 02:19:03,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ca342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:03, skipping insertion in model container
[2023-11-12 02:19:03,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:02" (2/3) ...
[2023-11-12 02:19:03,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ca342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:03, skipping insertion in model container
[2023-11-12 02:19:03,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:03" (3/3) ...
[2023-11-12 02:19:03,309 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1.i
[2023-11-12 02:19:03,325 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:19:03,325 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-12 02:19:03,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:19:03,380 INFO L357 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, mHoare=true, 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;@5e3803aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:19:03,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-11-12 02:19:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-12 02:19:03,393 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:03,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:03,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:03,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:03,400 INFO L85 PathProgramCache]: Analyzing trace with hash 200136568, now seen corresponding path program 1 times
[2023-11-12 02:19:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736389184]
[2023-11-12 02:19:03,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:19:03,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:03,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736389184]
[2023-11-12 02:19:03,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736389184] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:03,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:03,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-12 02:19:03,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802992710]
[2023-11-12 02:19:03,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:03,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:19:03,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:03,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:19:03,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:19:03,793 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-12 02:19:03,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:03,940 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions.
[2023-11-12 02:19:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:19:03,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2023-11-12 02:19:03,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:03,953 INFO L225 Difference]: With dead ends: 66
[2023-11-12 02:19:03,953 INFO L226 Difference]: Without dead ends: 47
[2023-11-12 02:19:03,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:19:03,965 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 43 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:03,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 87 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:03,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-12 02:19:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34.
[2023-11-12 02:19:04,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-12 02:19:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions.
[2023-11-12 02:19:04,013 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 11
[2023-11-12 02:19:04,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:04,014 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions.
[2023-11-12 02:19:04,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-12 02:19:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions.
[2023-11-12 02:19:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-12 02:19:04,017 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:04,018 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:04,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-12 02:19:04,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:04,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1822623141, now seen corresponding path program 1 times
[2023-11-12 02:19:04,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:04,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973606136]
[2023-11-12 02:19:04,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:04,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:04,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:04,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973606136]
[2023-11-12 02:19:04,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973606136] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:04,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:04,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:19:04,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523102838]
[2023-11-12 02:19:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:04,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:19:04,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:04,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:19:04,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:19:04,242 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:04,322 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions.
[2023-11-12 02:19:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:19:04,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19
[2023-11-12 02:19:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:04,324 INFO L225 Difference]: With dead ends: 47
[2023-11-12 02:19:04,325 INFO L226 Difference]: Without dead ends: 45
[2023-11-12 02:19:04,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:19:04,327 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:04,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 91 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:04,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2023-11-12 02:19:04,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37.
[2023-11-12 02:19:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-12 02:19:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions.
[2023-11-12 02:19:04,337 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 19
[2023-11-12 02:19:04,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:04,338 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions.
[2023-11-12 02:19:04,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions.
[2023-11-12 02:19:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-12 02:19:04,340 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:04,340 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:04,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-12 02:19:04,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:04,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash -838035494, now seen corresponding path program 1 times
[2023-11-12 02:19:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:04,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526536535]
[2023-11-12 02:19:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-12 02:19:04,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:04,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526536535]
[2023-11-12 02:19:04,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526536535] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:04,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:04,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-12 02:19:04,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647906555]
[2023-11-12 02:19:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:04,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-12 02:19:04,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-12 02:19:04,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:19:04,633 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2023-11-12 02:19:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:04,745 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions.
[2023-11-12 02:19:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-12 02:19:04,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 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 22
[2023-11-12 02:19:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:04,749 INFO L225 Difference]: With dead ends: 77
[2023-11-12 02:19:04,751 INFO L226 Difference]: Without dead ends: 65
[2023-11-12 02:19:04,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-11-12 02:19:04,754 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 21 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:04,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 158 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2023-11-12 02:19:04,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 43.
[2023-11-12 02:19:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.3125) internal successors, (42), 36 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6)
[2023-11-12 02:19:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions.
[2023-11-12 02:19:04,776 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 22
[2023-11-12 02:19:04,776 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:04,777 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions.
[2023-11-12 02:19:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2023-11-12 02:19:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions.
[2023-11-12 02:19:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-12 02:19:04,778 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:04,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:04,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-12 02:19:04,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:04,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:04,780 INFO L85 PathProgramCache]: Analyzing trace with hash -789372421, now seen corresponding path program 1 times
[2023-11-12 02:19:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176634039]
[2023-11-12 02:19:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:04,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:04,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176634039]
[2023-11-12 02:19:04,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176634039] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:04,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656195600]
[2023-11-12 02:19:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:04,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:04,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:04,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-12 02:19:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-12 02:19:05,083 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:05,153 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-12 02:19:05,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656195600] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:05,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-12 02:19:05,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7
[2023-11-12 02:19:05,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455999889]
[2023-11-12 02:19:05,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:05,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:19:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:05,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:19:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2023-11-12 02:19:05,156 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:05,216 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions.
[2023-11-12 02:19:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-12 02:19:05,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22
[2023-11-12 02:19:05,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:05,218 INFO L225 Difference]: With dead ends: 49
[2023-11-12 02:19:05,218 INFO L226 Difference]: Without dead ends: 47
[2023-11-12 02:19:05,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2023-11-12 02:19:05,220 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:05,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-12 02:19:05,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41.
[2023-11-12 02:19:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.25) internal successors, (40), 34 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6)
[2023-11-12 02:19:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions.
[2023-11-12 02:19:05,229 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 22
[2023-11-12 02:19:05,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:05,230 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions.
[2023-11-12 02:19:05,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2023-11-12 02:19:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-12 02:19:05,231 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:05,232 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:05,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:05,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:05,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:05,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:05,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1034548999, now seen corresponding path program 1 times
[2023-11-12 02:19:05,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:05,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422052348]
[2023-11-12 02:19:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422052348]
[2023-11-12 02:19:05,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422052348] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:05,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:05,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-12 02:19:05,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919112231]
[2023-11-12 02:19:05,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:05,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:19:05,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:05,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:19:05,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:19:05,515 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:05,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:05,572 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions.
[2023-11-12 02:19:05,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:19:05,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22
[2023-11-12 02:19:05,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:05,574 INFO L225 Difference]: With dead ends: 48
[2023-11-12 02:19:05,574 INFO L226 Difference]: Without dead ends: 39
[2023-11-12 02:19:05,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:19:05,576 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:05,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 93 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-11-12 02:19:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37.
[2023-11-12 02:19:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.25) internal successors, (35), 31 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2023-11-12 02:19:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions.
[2023-11-12 02:19:05,595 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 22
[2023-11-12 02:19:05,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:05,597 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions.
[2023-11-12 02:19:05,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-12 02:19:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions.
[2023-11-12 02:19:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-11-12 02:19:05,603 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:05,603 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:05,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-12 02:19:05,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:05,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1299258798, now seen corresponding path program 1 times
[2023-11-12 02:19:05,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:05,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822186492]
[2023-11-12 02:19:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:05,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:05,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822186492]
[2023-11-12 02:19:05,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822186492] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:05,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146202506]
[2023-11-12 02:19:05,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:05,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:05,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:05,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-12 02:19:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:05,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-12 02:19:05,790 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:05,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-12 02:19:05,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146202506] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:05,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-12 02:19:05,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2023-11-12 02:19:05,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789444591]
[2023-11-12 02:19:05,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:05,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:19:05,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:05,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:19:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-12 02:19:05,810 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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)
[2023-11-12 02:19:05,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:05,825 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions.
[2023-11-12 02:19:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-12 02:19:05,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 23
[2023-11-12 02:19:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:05,826 INFO L225 Difference]: With dead ends: 37
[2023-11-12 02:19:05,827 INFO L226 Difference]: Without dead ends: 36
[2023-11-12 02:19:05,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-12 02:19:05,828 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:05,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 31 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:05,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2023-11-12 02:19:05,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2023-11-12 02:19:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2023-11-12 02:19:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions.
[2023-11-12 02:19:05,835 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 23
[2023-11-12 02:19:05,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:05,836 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions.
[2023-11-12 02:19:05,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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)
[2023-11-12 02:19:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions.
[2023-11-12 02:19:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-12 02:19:05,838 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:05,838 INFO L195 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]
[2023-11-12 02:19:05,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:06,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2023-11-12 02:19:06,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:06,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:06,045 INFO L85 PathProgramCache]: Analyzing trace with hash -26339835, now seen corresponding path program 1 times
[2023-11-12 02:19:06,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520882175]
[2023-11-12 02:19:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-12 02:19:06,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520882175]
[2023-11-12 02:19:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520882175] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:06,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:06,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:19:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860706916]
[2023-11-12 02:19:06,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:06,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:19:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:19:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:19:06,129 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2023-11-12 02:19:06,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:06,162 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions.
[2023-11-12 02:19:06,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:19:06,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 26
[2023-11-12 02:19:06,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:06,164 INFO L225 Difference]: With dead ends: 36
[2023-11-12 02:19:06,164 INFO L226 Difference]: Without dead ends: 35
[2023-11-12 02:19:06,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:19:06,165 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 8 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:06,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 90 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2023-11-12 02:19:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2023-11-12 02:19:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2023-11-12 02:19:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions.
[2023-11-12 02:19:06,171 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 26
[2023-11-12 02:19:06,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:06,172 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions.
[2023-11-12 02:19:06,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2023-11-12 02:19:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions.
[2023-11-12 02:19:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-12 02:19:06,173 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:06,173 INFO L195 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]
[2023-11-12 02:19:06,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-12 02:19:06,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:06,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash -816534798, now seen corresponding path program 1 times
[2023-11-12 02:19:06,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:06,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649083174]
[2023-11-12 02:19:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:06,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:06,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649083174]
[2023-11-12 02:19:06,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649083174] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:06,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052269990]
[2023-11-12 02:19:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:06,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:06,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:06,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-12 02:19:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:06,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-12 02:19:06,399 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:06,486 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:19:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-12 02:19:06,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052269990] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:19:06,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:19:06,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14
[2023-11-12 02:19:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125033682]
[2023-11-12 02:19:06,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:19:06,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-12 02:19:06,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:06,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-12 02:19:06,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2023-11-12 02:19:06,590 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-12 02:19:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:06,775 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions.
[2023-11-12 02:19:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-12 02:19:06,776 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 27
[2023-11-12 02:19:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:06,777 INFO L225 Difference]: With dead ends: 67
[2023-11-12 02:19:06,777 INFO L226 Difference]: Without dead ends: 60
[2023-11-12 02:19:06,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272
[2023-11-12 02:19:06,779 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 93 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:06,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 128 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-12 02:19:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45.
[2023-11-12 02:19:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8)
[2023-11-12 02:19:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions.
[2023-11-12 02:19:06,788 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 27
[2023-11-12 02:19:06,788 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:06,788 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions.
[2023-11-12 02:19:06,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-12 02:19:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions.
[2023-11-12 02:19:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-12 02:19:06,790 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:06,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:06,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:06,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:06,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:06,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:06,997 INFO L85 PathProgramCache]: Analyzing trace with hash 623192612, now seen corresponding path program 1 times
[2023-11-12 02:19:06,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:06,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901780345]
[2023-11-12 02:19:06,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:06,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-12 02:19:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:07,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:07,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901780345]
[2023-11-12 02:19:07,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901780345] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:07,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710267965]
[2023-11-12 02:19:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:07,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:07,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:07,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-12 02:19:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-12 02:19:07,229 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:07,272 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:19:07,341 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:07,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710267965] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:19:07,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:19:07,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12
[2023-11-12 02:19:07,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293534196]
[2023-11-12 02:19:07,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:19:07,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-12 02:19:07,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:07,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-12 02:19:07,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2023-11-12 02:19:07,344 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-12 02:19:07,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:07,498 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions.
[2023-11-12 02:19:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-12 02:19:07,499 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 31
[2023-11-12 02:19:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:07,500 INFO L225 Difference]: With dead ends: 84
[2023-11-12 02:19:07,500 INFO L226 Difference]: Without dead ends: 83
[2023-11-12 02:19:07,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272
[2023-11-12 02:19:07,502 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 40 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:07,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 141 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2023-11-12 02:19:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 62.
[2023-11-12 02:19:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 50 states have internal predecessors, (61), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12)
[2023-11-12 02:19:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions.
[2023-11-12 02:19:07,513 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 31
[2023-11-12 02:19:07,513 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:07,513 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions.
[2023-11-12 02:19:07,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-12 02:19:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions.
[2023-11-12 02:19:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-11-12 02:19:07,515 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:07,515 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:07,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:07,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:07,721 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:07,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:07,722 INFO L85 PathProgramCache]: Analyzing trace with hash -623004543, now seen corresponding path program 1 times
[2023-11-12 02:19:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:07,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680812519]
[2023-11-12 02:19:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-12 02:19:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:07,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:07,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680812519]
[2023-11-12 02:19:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680812519] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217724508]
[2023-11-12 02:19:07,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:07,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:07,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:07,882 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:07,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-12 02:19:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:07,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-12 02:19:07,985 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:08,044 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:19:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-12 02:19:08,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217724508] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:19:08,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:19:08,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14
[2023-11-12 02:19:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474115463]
[2023-11-12 02:19:08,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:19:08,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-12 02:19:08,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:08,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-12 02:19:08,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2023-11-12 02:19:08,145 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-12 02:19:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:08,358 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions.
[2023-11-12 02:19:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-12 02:19:08,358 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34
[2023-11-12 02:19:08,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:08,359 INFO L225 Difference]: With dead ends: 68
[2023-11-12 02:19:08,359 INFO L226 Difference]: Without dead ends: 55
[2023-11-12 02:19:08,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462
[2023-11-12 02:19:08,361 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 40 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:08,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 131 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-12 02:19:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2023-11-12 02:19:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45.
[2023-11-12 02:19:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-12 02:19:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions.
[2023-11-12 02:19:08,369 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 34
[2023-11-12 02:19:08,370 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:08,370 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions.
[2023-11-12 02:19:08,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-12 02:19:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions.
[2023-11-12 02:19:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2023-11-12 02:19:08,372 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:08,372 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:08,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:08,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-12 02:19:08,578 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:08,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:08,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1169010951, now seen corresponding path program 2 times
[2023-11-12 02:19:08,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:08,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619830669]
[2023-11-12 02:19:08,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:08,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-12 02:19:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-12 02:19:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-12 02:19:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-12 02:19:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2023-11-12 02:19:08,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:08,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619830669]
[2023-11-12 02:19:08,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619830669] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:08,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966109204]
[2023-11-12 02:19:08,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-12 02:19:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:08,962 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:08,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-12 02:19:09,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-12 02:19:09,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-12 02:19:09,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-12 02:19:09,113 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2023-11-12 02:19:09,211 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:19:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2023-11-12 02:19:09,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966109204] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:19:09,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:19:09,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24
[2023-11-12 02:19:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119685278]
[2023-11-12 02:19:09,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:19:09,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2023-11-12 02:19:09,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:09,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2023-11-12 02:19:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600
[2023-11-12 02:19:09,460 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 25 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-12 02:19:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:09,835 INFO L93 Difference]: Finished difference Result 90 states and 118 transitions.
[2023-11-12 02:19:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-12 02:19:09,835 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 64
[2023-11-12 02:19:09,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:09,840 INFO L225 Difference]: With dead ends: 90
[2023-11-12 02:19:09,840 INFO L226 Difference]: Without dead ends: 89
[2023-11-12 02:19:09,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190
[2023-11-12 02:19:09,842 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 33 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:09,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 168 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-12 02:19:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2023-11-12 02:19:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87.
[2023-11-12 02:19:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 73 states have (on average 1.0273972602739727) internal successors, (75), 73 states have internal predecessors, (75), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-12 02:19:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions.
[2023-11-12 02:19:09,867 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 64
[2023-11-12 02:19:09,867 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:09,867 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions.
[2023-11-12 02:19:09,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-12 02:19:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions.
[2023-11-12 02:19:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2023-11-12 02:19:09,872 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-12 02:19:09,872 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:09,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:10,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-12 02:19:10,078 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-12 02:19:10,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash 735614119, now seen corresponding path program 3 times
[2023-11-12 02:19:10,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:10,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512473646]
[2023-11-12 02:19:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-12 02:19:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-12 02:19:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-12 02:19:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-12 02:19:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-12 02:19:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-12 02:19:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-12 02:19:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-12 02:19:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-12 02:19:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2023-11-12 02:19:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2023-11-12 02:19:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2023-11-12 02:19:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 321 proven. 64 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-11-12 02:19:11,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:11,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512473646]
[2023-11-12 02:19:11,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512473646] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:19:11,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315164046]
[2023-11-12 02:19:11,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-12 02:19:11,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:19:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:11,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:19:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-12 02:19:11,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-12 02:19:11,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-12 02:19:11,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-12 02:19:11,365 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:19:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked.
[2023-11-12 02:19:11,526 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:19:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked.
[2023-11-12 02:19:11,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315164046] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:19:11,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:19:11,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 4, 4] total 30
[2023-11-12 02:19:11,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041639054]
[2023-11-12 02:19:11,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:19:11,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2023-11-12 02:19:11,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2023-11-12 02:19:11,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870
[2023-11-12 02:19:11,751 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 29 states have internal predecessors, (103), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17)
[2023-11-12 02:19:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:12,708 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions.
[2023-11-12 02:19:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2023-11-12 02:19:12,708 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 29 states have internal predecessors, (103), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) Word has length 130
[2023-11-12 02:19:12,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:12,709 INFO L225 Difference]: With dead ends: 94
[2023-11-12 02:19:12,709 INFO L226 Difference]: Without dead ends: 0
[2023-11-12 02:19:12,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=744, Invalid=2562, Unknown=0, NotChecked=0, Total=3306
[2023-11-12 02:19:12,712 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 27 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:12,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 329 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-12 02:19:12,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-12 02:19:12,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-12 02:19:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:19:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-12 02:19:12,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130
[2023-11-12 02:19:12,714 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:12,714 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-12 02:19:12,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 29 states have internal predecessors, (103), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17)
[2023-11-12 02:19:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-12 02:19:12,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-12 02:19:12,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2023-11-12 02:19:12,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2023-11-12 02:19:12,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2023-11-12 02:19:12,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2023-11-12 02:19:12,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2023-11-12 02:19:12,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2023-11-12 02:19:12,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:12,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-12 02:19:12,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-12 02:19:13,385 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed.
[2023-11-12 02:19:13,385 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2023-11-12 02:19:13,385 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed.
[2023-11-12 02:19:13,385 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed.
[2023-11-12 02:19:13,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L766(line 766) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L895 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: (= 10 |ULTIMATE.start_entry_point_~len~0#1|)
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L767-2(lines 767 771) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L767-3(line 767) no Hoare annotation was computed.
[2023-11-12 02:19:13,386 INFO L899 garLoopResultBuilder]: For program point L767-4(line 767) no Hoare annotation was computed.
[2023-11-12 02:19:13,387 INFO L895 garLoopResultBuilder]: At program point L767-5(lines 767 771) the Hoare annotation is: (let ((.cse0 (= 10 |ULTIMATE.start_entry_point_~len~0#1|))) (or (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 3)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 1)) (and (= |ULTIMATE.start_entry_point_~i~0#1| 2) .cse0) (and .cse0 (<= 5 |ULTIMATE.start_entry_point_~i~0#1|) (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483642)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 4)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 0)) (and (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483646) .cse0 (<= 9 |ULTIMATE.start_entry_point_~i~0#1|))))
[2023-11-12 02:19:13,387 INFO L899 garLoopResultBuilder]: For program point L772(lines 760 777) no Hoare annotation was computed.
[2023-11-12 02:19:13,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) no Hoare annotation was computed.
[2023-11-12 02:19:13,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:13,387 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (= 10 |ULTIMATE.start_entry_point_~len~0#1|))) (or (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 3)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 1)) (and (= |ULTIMATE.start_entry_point_~i~0#1| 2) .cse0) (and .cse0 (<= 5 |ULTIMATE.start_entry_point_~i~0#1|) (<= |ULTIMATE.start_entry_point_~i~0#1| 9)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 4)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 0))))
[2023-11-12 02:19:13,387 INFO L899 garLoopResultBuilder]: For program point L768-1(line 768) no Hoare annotation was computed.
[2023-11-12 02:19:13,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L773(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L773-3(lines 773 775) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L773-4(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L773-5(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L895 garLoopResultBuilder]: At program point L773-6(lines 773 775) the Hoare annotation is: (and (or (< 0 |ULTIMATE.start_entry_point_~i~0#1|) (= |ULTIMATE.start_entry_point_~i~0#1| 0)) (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483647) (<= 10 |ULTIMATE.start_entry_point_~len~0#1|) (<= |ULTIMATE.start_entry_point_~j~0#1| 2147483648))
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 773) no Hoare annotation was computed.
[2023-11-12 02:19:13,388 INFO L899 garLoopResultBuilder]: For program point L773-7(lines 760 777) no Hoare annotation was computed.
[2023-11-12 02:19:13,389 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 780) no Hoare annotation was computed.
[2023-11-12 02:19:13,392 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:13,394 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-12 02:19:13,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:19:13 BoogieIcfgContainer
[2023-11-12 02:19:13,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-12 02:19:13,420 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-12 02:19:13,420 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-12 02:19:13,420 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-12 02:19:13,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:03" (3/4) ...
[2023-11-12 02:19:13,422 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-12 02:19:13,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc
[2023-11-12 02:19:13,432 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2023-11-12 02:19:13,432 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-12 02:19:13,432 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-12 02:19:13,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml
[2023-11-12 02:19:13,535 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/witness.yml
[2023-11-12 02:19:13,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-12 02:19:13,536 INFO L158 Benchmark]: Toolchain (without parser) took 11471.56ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 85.1MB in the beginning and 54.7MB in the end (delta: 30.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,536 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-12 02:19:13,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.69ms. Allocated memory is still 134.2MB. Free memory was 84.4MB in the beginning and 62.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,538 INFO L158 Benchmark]: Boogie Preprocessor took 30.40ms. Allocated memory is still 134.2MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,538 INFO L158 Benchmark]: RCFGBuilder took 403.90ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 58.9MB in the beginning and 136.0MB in the end (delta: -77.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,539 INFO L158 Benchmark]: TraceAbstraction took 10116.68ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 60.0MB in the end (delta: 75.0MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,540 INFO L158 Benchmark]: Witness Printer took 115.50ms. Allocated memory is still 167.8MB. Free memory was 60.0MB in the beginning and 54.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-12 02:19:13,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 744.69ms. Allocated memory is still 134.2MB. Free memory was 84.4MB in the beginning and 62.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.32ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.40ms. Allocated memory is still 134.2MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 403.90ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 58.9MB in the beginning and 136.0MB in the end (delta: -77.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 10116.68ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 60.0MB in the end (delta: 75.0MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB.
* Witness Printer took 115.50ms. Allocated memory is still 167.8MB. Free memory was 60.0MB in the beginning and 54.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 767]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 767]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 773]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 773]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 773]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 773]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 12, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 377 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 370 mSDsluCounter, 1521 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1197 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1319 IncrementalHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 324 mSDtfsCounter, 1319 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 820 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=11, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 99 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 16 PreInvPairs, 40 NumberOfFragments, 129 HoareAnnotationTreeSize, 16 FomulaSimplifications, 3799 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 267 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 762 NumberOfCodeBlocks, 655 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1024 ConstructedInterpolants, 0 QuantifiedInterpolants, 2582 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1100 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 2062/2494 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
- InvariantResult [Line: 767]: Loop Invariant
Derived loop invariant: ((((((((10 == len) && (i == 3)) || ((10 == len) && (i == 1))) || ((i == 2) && (10 == len))) || (((10 == len) && (5 <= i)) && (i <= 2147483642))) || ((10 == len) && (i == 4))) || ((10 == len) && (i == 0))) || (((i <= 2147483646) && (10 == len)) && (9 <= i)))
- InvariantResult [Line: 773]: Loop Invariant
Derived loop invariant: (((((0 < i) || (i == 0)) && (i <= 2147483647)) && (10 <= len)) && (j <= 2147483648))
RESULT: Ultimate proved your program to be correct!
[2023-11-12 02:19:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3cc98a-4f31-4fdd-98b8-79a3e4315dcc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE