./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_original.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 2329fc70
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_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_original.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 11:51:48,543 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 11:51:48,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 11:51:48,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 11:51:48,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 11:51:48,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 11:51:48,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 11:51:48,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 11:51:48,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 11:51:48,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 11:51:48,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 11:51:48,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 11:51:48,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 11:51:48,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 11:51:48,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 11:51:48,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 11:51:48,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 11:51:48,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 11:51:48,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 11:51:48,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 11:51:48,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 11:51:48,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 11:51:48,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 11:51:48,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 11:51:48,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 11:51:48,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 11:51:48,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 11:51:48,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 11:51:48,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 11:51:48,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 11:51:48,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 11:51:48,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 11:51:48,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 11:51:48,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 11:51:48,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 11:51:48,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 11:51:48,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 11:51:48,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 11:51:48,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 11:51:48,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 11:51:48,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 11:51:48,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2022-12-13 11:51:48,596 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 11:51:48,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 11:51:48,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 11:51:48,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 11:51:48,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 11:51:48,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 11:51:48,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 11:51:48,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 11:51:48,598 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 11:51:48,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 11:51:48,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 11:51:48,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 11:51:48,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 11:51:48,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 11:51:48,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 11:51:48,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 11:51:48,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 11:51:48,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 11:51:48,601 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 11:51:48,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 11:51:48,601 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 11:51:48,601 INFO L138 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_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076
[2022-12-13 11:51:48,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 11:51:48,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 11:51:48,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 11:51:48,803 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 11:51:48,803 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 11:51:48,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-15/array16_alloca_original.i
[2022-12-13 11:51:51,319 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 11:51:51,501 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 11:51:51,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/sv-benchmarks/c/termination-15/array16_alloca_original.i
[2022-12-13 11:51:51,509 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/data/c1e215e9a/80a200c988794a8791a1ee91b36a4bca/FLAGe5f152eb5
[2022-12-13 11:51:51,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/data/c1e215e9a/80a200c988794a8791a1ee91b36a4bca
[2022-12-13 11:51:51,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 11:51:51,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 11:51:51,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 11:51:51,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 11:51:51,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 11:51:51,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:51" (1/1) ...
[2022-12-13 11:51:51,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7cc1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:51, skipping insertion in model container
[2022-12-13 11:51:51,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:51" (1/1) ...
[2022-12-13 11:51:51,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 11:51:51,937 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 11:51:52,113 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 11:51:52,120 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 11:51:52,144 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 11:51:52,163 INFO L208 MainTranslator]: Completed translation
[2022-12-13 11:51:52,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52 WrapperNode
[2022-12-13 11:51:52,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 11:51:52,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 11:51:52,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 11:51:52,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 11:51:52,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,191 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62
[2022-12-13 11:51:52,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 11:51:52,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 11:51:52,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 11:51:52,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 11:51:52,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 11:51:52,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 11:51:52,210 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 11:51:52,210 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 11:51:52,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (1/1) ...
[2022-12-13 11:51:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 11:51:52,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:52,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 11:51:52,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 11:51:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 11:51:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 11:51:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 11:51:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 11:51:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 11:51:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 11:51:52,341 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 11:51:52,342 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 11:51:52,456 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 11:51:52,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 11:51:52,460 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-12-13 11:51:52,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:52 BoogieIcfgContainer
[2022-12-13 11:51:52,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 11:51:52,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 11:51:52,463 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 11:51:52,465 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 11:51:52,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:51:51" (1/3) ...
[2022-12-13 11:51:52,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f07e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:52, skipping insertion in model container
[2022-12-13 11:51:52,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:52" (2/3) ...
[2022-12-13 11:51:52,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f07e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:52, skipping insertion in model container
[2022-12-13 11:51:52,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:52" (3/3) ...
[2022-12-13 11:51:52,468 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_alloca_original.i
[2022-12-13 11:51:52,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 11:51:52,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-12-13 11:51:52,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 11:51:52,521 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=LoopsAndPotentialCycles, 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;@71cb75e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 11:51:52,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-12-13 11:51:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 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)
[2022-12-13 11:51:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-12-13 11:51:52,528 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:52,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:52,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash -592037013, now seen corresponding path program 1 times
[2022-12-13 11:51:52,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:52,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574641760]
[2022-12-13 11:51:52,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:52,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:52,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:52,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574641760]
[2022-12-13 11:51:52,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574641760] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:52,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:52,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:51:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661742580]
[2022-12-13 11:51:52,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:52,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:52,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:52,796 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 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) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:52,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:52,851 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions.
[2022-12-13 11:51:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:52,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-12-13 11:51:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:52,858 INFO L225 Difference]: With dead ends: 64
[2022-12-13 11:51:52,858 INFO L226 Difference]: Without dead ends: 39
[2022-12-13 11:51:52,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 11:51:52,862 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 21 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:52,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 78 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:52,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2022-12-13 11:51:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 28.
[2022-12-13 11:51:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 27 states have internal predecessors, (34), 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)
[2022-12-13 11:51:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions.
[2022-12-13 11:51:52,885 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 9
[2022-12-13 11:51:52,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:52,886 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions.
[2022-12-13 11:51:52,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions.
[2022-12-13 11:51:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-12-13 11:51:52,886 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:52,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:52,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 11:51:52,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:52,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1174750793, now seen corresponding path program 1 times
[2022-12-13 11:51:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:52,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69598887]
[2022-12-13 11:51:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:52,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:52,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69598887]
[2022-12-13 11:51:52,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69598887] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:52,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:52,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-12-13 11:51:52,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981202250]
[2022-12-13 11:51:52,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:52,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:52,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:52,938 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2022-12-13 11:51:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:52,964 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions.
[2022-12-13 11:51:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:52,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-12-13 11:51:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:52,965 INFO L225 Difference]: With dead ends: 39
[2022-12-13 11:51:52,965 INFO L226 Difference]: Without dead ends: 28
[2022-12-13 11:51:52,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:52,966 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 32 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:52,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 37 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:52,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2022-12-13 11:51:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2022-12-13 11:51:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 27 states have internal predecessors, (33), 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)
[2022-12-13 11:51:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions.
[2022-12-13 11:51:52,970 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 10
[2022-12-13 11:51:52,970 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:52,970 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions.
[2022-12-13 11:51:52,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2022-12-13 11:51:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions.
[2022-12-13 11:51:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-12-13 11:51:52,971 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:52,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:52,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 11:51:52,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:52,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:52,971 INFO L85 PathProgramCache]: Analyzing trace with hash 220033369, now seen corresponding path program 1 times
[2022-12-13 11:51:52,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:52,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296579026]
[2022-12-13 11:51:52,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:52,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:53,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:53,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296579026]
[2022-12-13 11:51:53,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296579026] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:53,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331227739]
[2022-12-13 11:51:53,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:53,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:53,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:53,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:53,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-12-13 11:51:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:53,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 11:51:53,115 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:53,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 11:51:53,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331227739] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:53,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 11:51:53,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10
[2022-12-13 11:51:53,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848384515]
[2022-12-13 11:51:53,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:53,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 11:51:53,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 11:51:53,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2022-12-13 11:51:53,207 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2022-12-13 11:51:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:53,252 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions.
[2022-12-13 11:51:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 11:51:53,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-12-13 11:51:53,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:53,253 INFO L225 Difference]: With dead ends: 65
[2022-12-13 11:51:53,253 INFO L226 Difference]: Without dead ends: 47
[2022-12-13 11:51:53,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2022-12-13 11:51:53,254 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:53,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 70 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2022-12-13 11:51:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36.
[2022-12-13 11:51:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.4) internal successors, (42), 35 states have internal predecessors, (42), 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)
[2022-12-13 11:51:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions.
[2022-12-13 11:51:53,258 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 14
[2022-12-13 11:51:53,258 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:53,259 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions.
[2022-12-13 11:51:53,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2022-12-13 11:51:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions.
[2022-12-13 11:51:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-12-13 11:51:53,259 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:53,259 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:53,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-12-13 11:51:53,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:53,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash 478198807, now seen corresponding path program 1 times
[2022-12-13 11:51:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:53,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754063727]
[2022-12-13 11:51:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:53,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:53,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754063727]
[2022-12-13 11:51:53,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754063727] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:53,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31329800]
[2022-12-13 11:51:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:53,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:53,642 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:53,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-12-13 11:51:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:53,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 11:51:53,692 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:53,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 11:51:53,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31329800] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:53,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 11:51:53,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2022-12-13 11:51:53,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835820498]
[2022-12-13 11:51:53,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:53,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 11:51:53,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:53,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 11:51:53,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-12-13 11:51:53,722 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2022-12-13 11:51:53,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:53,762 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions.
[2022-12-13 11:51:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 11:51:53,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-12-13 11:51:53,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:53,763 INFO L225 Difference]: With dead ends: 36
[2022-12-13 11:51:53,763 INFO L226 Difference]: Without dead ends: 35
[2022-12-13 11:51:53,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2022-12-13 11:51:53,765 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:53,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 63 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:53,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2022-12-13 11:51:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2022-12-13 11:51:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 34 states have internal predecessors, (41), 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)
[2022-12-13 11:51:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions.
[2022-12-13 11:51:53,769 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 14
[2022-12-13 11:51:53,769 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:53,770 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions.
[2022-12-13 11:51:53,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2022-12-13 11:51:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions.
[2022-12-13 11:51:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-12-13 11:51:53,770 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:53,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:53,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-12-13 11:51:53,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:53,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:53,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1770372727, now seen corresponding path program 1 times
[2022-12-13 11:51:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:53,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854660487]
[2022-12-13 11:51:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:53,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:54,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:54,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854660487]
[2022-12-13 11:51:54,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854660487] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:54,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:54,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:51:54,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064933200]
[2022-12-13 11:51:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:54,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:54,131 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:54,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:54,157 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions.
[2022-12-13 11:51:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:54,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-12-13 11:51:54,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:54,159 INFO L225 Difference]: With dead ends: 45
[2022-12-13 11:51:54,159 INFO L226 Difference]: Without dead ends: 43
[2022-12-13 11:51:54,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 11:51:54,160 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:54,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 58 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2022-12-13 11:51:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39.
[2022-12-13 11:51:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 38 states have internal predecessors, (46), 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)
[2022-12-13 11:51:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions.
[2022-12-13 11:51:54,166 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 15
[2022-12-13 11:51:54,166 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:54,166 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions.
[2022-12-13 11:51:54,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions.
[2022-12-13 11:51:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-12-13 11:51:54,167 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:54,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:54,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-12-13 11:51:54,167 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1770372535, now seen corresponding path program 1 times
[2022-12-13 11:51:54,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:54,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445217342]
[2022-12-13 11:51:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:54,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:54,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445217342]
[2022-12-13 11:51:54,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445217342] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:54,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:54,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:51:54,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525255373]
[2022-12-13 11:51:54,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:54,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:54,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:54,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:54,219 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:54,242 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions.
[2022-12-13 11:51:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:54,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-12-13 11:51:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:54,243 INFO L225 Difference]: With dead ends: 43
[2022-12-13 11:51:54,243 INFO L226 Difference]: Without dead ends: 41
[2022-12-13 11:51:54,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 11:51:54,244 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:54,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 58 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2022-12-13 11:51:54,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2022-12-13 11:51:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 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)
[2022-12-13 11:51:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions.
[2022-12-13 11:51:54,249 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 15
[2022-12-13 11:51:54,249 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:54,250 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions.
[2022-12-13 11:51:54,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 11:51:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions.
[2022-12-13 11:51:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-12-13 11:51:54,250 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:54,250 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:54,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-12-13 11:51:54,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1939261192, now seen corresponding path program 1 times
[2022-12-13 11:51:54,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:54,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895530414]
[2022-12-13 11:51:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:54,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:54,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895530414]
[2022-12-13 11:51:54,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895530414] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:54,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028706160]
[2022-12-13 11:51:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:54,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:54,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:54,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-12-13 11:51:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 11:51:54,366 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:54,393 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 11:51:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:54,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028706160] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 11:51:54,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 11:51:54,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2022-12-13 11:51:54,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270801265]
[2022-12-13 11:51:54,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 11:51:54,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-12-13 11:51:54,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:54,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-12-13 11:51:54,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2022-12-13 11:51:54,434 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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)
[2022-12-13 11:51:54,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:54,510 INFO L93 Difference]: Finished difference Result 108 states and 129 transitions.
[2022-12-13 11:51:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-12-13 11:51:54,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-12-13 11:51:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:54,512 INFO L225 Difference]: With dead ends: 108
[2022-12-13 11:51:54,512 INFO L226 Difference]: Without dead ends: 107
[2022-12-13 11:51:54,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240
[2022-12-13 11:51:54,513 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 102 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:54,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 137 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:54,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2022-12-13 11:51:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 56.
[2022-12-13 11:51:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 55 states have internal predecessors, (69), 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)
[2022-12-13 11:51:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions.
[2022-12-13 11:51:54,519 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 15
[2022-12-13 11:51:54,520 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:54,520 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions.
[2022-12-13 11:51:54,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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)
[2022-12-13 11:51:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions.
[2022-12-13 11:51:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-12-13 11:51:54,521 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:54,521 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:54,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2022-12-13 11:51:54,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:54,722 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1696806660, now seen corresponding path program 1 times
[2022-12-13 11:51:54,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:54,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581145857]
[2022-12-13 11:51:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-12-13 11:51:54,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:54,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581145857]
[2022-12-13 11:51:54,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581145857] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:54,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:54,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:51:54,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787892879]
[2022-12-13 11:51:54,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:54,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:54,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:54,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:54,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:54,854 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2022-12-13 11:51:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:54,887 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions.
[2022-12-13 11:51:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:54,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2022-12-13 11:51:54,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:54,888 INFO L225 Difference]: With dead ends: 57
[2022-12-13 11:51:54,888 INFO L226 Difference]: Without dead ends: 56
[2022-12-13 11:51:54,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 11:51:54,890 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:54,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 50 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:54,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2022-12-13 11:51:54,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55.
[2022-12-13 11:51:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 54 states have internal predecessors, (68), 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)
[2022-12-13 11:51:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions.
[2022-12-13 11:51:54,896 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 19
[2022-12-13 11:51:54,896 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:54,896 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions.
[2022-12-13 11:51:54,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2022-12-13 11:51:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions.
[2022-12-13 11:51:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-12-13 11:51:54,897 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:54,897 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:54,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-12-13 11:51:54,898 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:54,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1696806852, now seen corresponding path program 1 times
[2022-12-13 11:51:54,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:54,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308409922]
[2022-12-13 11:51:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-12-13 11:51:54,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:54,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308409922]
[2022-12-13 11:51:54,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308409922] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:54,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:51:54,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:51:54,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272626105]
[2022-12-13 11:51:54,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:54,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 11:51:54,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:54,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 11:51:54,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 11:51:54,938 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2022-12-13 11:51:54,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:54,954 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions.
[2022-12-13 11:51:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 11:51:54,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2022-12-13 11:51:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:54,954 INFO L225 Difference]: With dead ends: 55
[2022-12-13 11:51:54,954 INFO L226 Difference]: Without dead ends: 54
[2022-12-13 11:51:54,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 11:51:54,955 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:54,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2022-12-13 11:51:54,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2022-12-13 11:51:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 53 states have internal predecessors, (67), 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)
[2022-12-13 11:51:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions.
[2022-12-13 11:51:54,959 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 19
[2022-12-13 11:51:54,959 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:54,959 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions.
[2022-12-13 11:51:54,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2022-12-13 11:51:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions.
[2022-12-13 11:51:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-12-13 11:51:54,959 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:54,959 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:54,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-12-13 11:51:54,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:54,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1061398991, now seen corresponding path program 1 times
[2022-12-13 11:51:54,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:54,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483587374]
[2022-12-13 11:51:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:55,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:55,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483587374]
[2022-12-13 11:51:55,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483587374] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:55,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307124663]
[2022-12-13 11:51:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:55,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:55,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:55,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:55,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-12-13 11:51:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 11:51:55,058 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:55,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 11:51:55,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307124663] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:55,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 11:51:55,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2022-12-13 11:51:55,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445682128]
[2022-12-13 11:51:55,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:55,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 11:51:55,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:55,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 11:51:55,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2022-12-13 11:51:55,111 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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)
[2022-12-13 11:51:55,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:55,148 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions.
[2022-12-13 11:51:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 11:51:55,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-12-13 11:51:55,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:55,148 INFO L225 Difference]: With dead ends: 78
[2022-12-13 11:51:55,149 INFO L226 Difference]: Without dead ends: 67
[2022-12-13 11:51:55,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2022-12-13 11:51:55,149 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:55,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 52 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:55,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2022-12-13 11:51:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65.
[2022-12-13 11:51:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 64 states have internal predecessors, (80), 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)
[2022-12-13 11:51:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions.
[2022-12-13 11:51:55,154 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 20
[2022-12-13 11:51:55,154 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:55,154 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions.
[2022-12-13 11:51:55,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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)
[2022-12-13 11:51:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions.
[2022-12-13 11:51:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-12-13 11:51:55,155 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:55,155 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:55,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-12-13 11:51:55,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-12-13 11:51:55,355 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:55,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2026197483, now seen corresponding path program 1 times
[2022-12-13 11:51:55,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:55,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688497049]
[2022-12-13 11:51:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:55,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:55,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688497049]
[2022-12-13 11:51:55,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688497049] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:55,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677018576]
[2022-12-13 11:51:55,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:55,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:55,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:55,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-12-13 11:51:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 11:51:55,438 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:55,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 11:51:55,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677018576] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:51:55,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 11:51:55,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2022-12-13 11:51:55,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302900587]
[2022-12-13 11:51:55,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:51:55,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 11:51:55,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:55,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 11:51:55,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-12-13 11:51:55,457 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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)
[2022-12-13 11:51:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:55,482 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions.
[2022-12-13 11:51:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 11:51:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-12-13 11:51:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:55,482 INFO L225 Difference]: With dead ends: 75
[2022-12-13 11:51:55,483 INFO L226 Difference]: Without dead ends: 44
[2022-12-13 11:51:55,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2022-12-13 11:51:55,483 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:55,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 54 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:55,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2022-12-13 11:51:55,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2022-12-13 11:51:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 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)
[2022-12-13 11:51:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions.
[2022-12-13 11:51:55,488 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 20
[2022-12-13 11:51:55,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:55,488 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions.
[2022-12-13 11:51:55,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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)
[2022-12-13 11:51:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions.
[2022-12-13 11:51:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-12-13 11:51:55,489 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:55,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:55,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2022-12-13 11:51:55,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2022-12-13 11:51:55,690 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:55,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:55,690 INFO L85 PathProgramCache]: Analyzing trace with hash -932745715, now seen corresponding path program 1 times
[2022-12-13 11:51:55,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:55,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393479234]
[2022-12-13 11:51:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:55,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 11:51:55,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:55,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393479234]
[2022-12-13 11:51:55,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393479234] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:55,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406602119]
[2022-12-13 11:51:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:55,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:55,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-12-13 11:51:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:55,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-12-13 11:51:55,796 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:55,865 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 11:51:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:55,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406602119] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 11:51:55,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 11:51:55,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16
[2022-12-13 11:51:55,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054072484]
[2022-12-13 11:51:55,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 11:51:55,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-12-13 11:51:55,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-12-13 11:51:55,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2022-12-13 11:51:55,925 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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)
[2022-12-13 11:51:56,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:56,051 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions.
[2022-12-13 11:51:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-12-13 11:51:56,051 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-12-13 11:51:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:56,052 INFO L225 Difference]: With dead ends: 65
[2022-12-13 11:51:56,052 INFO L226 Difference]: Without dead ends: 51
[2022-12-13 11:51:56,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506
[2022-12-13 11:51:56,053 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 27 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:56,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 114 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-12-13 11:51:56,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-12-13 11:51:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48.
[2022-12-13 11:51:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.288888888888889) internal successors, (58), 47 states have internal predecessors, (58), 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)
[2022-12-13 11:51:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions.
[2022-12-13 11:51:56,057 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 20
[2022-12-13 11:51:56,058 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:56,058 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions.
[2022-12-13 11:51:56,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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)
[2022-12-13 11:51:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions.
[2022-12-13 11:51:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2022-12-13 11:51:56,058 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:56,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:56,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2022-12-13 11:51:56,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-12-13 11:51:56,260 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:56,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:56,261 INFO L85 PathProgramCache]: Analyzing trace with hash 457465065, now seen corresponding path program 1 times
[2022-12-13 11:51:56,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:56,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076633854]
[2022-12-13 11:51:56,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:56,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-12-13 11:51:56,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:56,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076633854]
[2022-12-13 11:51:56,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076633854] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:56,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166719600]
[2022-12-13 11:51:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:56,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:56,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:56,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:56,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-12-13 11:51:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:56,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 11:51:56,472 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-12-13 11:51:56,492 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 11:51:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-12-13 11:51:56,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166719600] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 11:51:56,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 11:51:56,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2022-12-13 11:51:56,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674941534]
[2022-12-13 11:51:56,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 11:51:56,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-12-13 11:51:56,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-12-13 11:51:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2022-12-13 11:51:56,523 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 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)
[2022-12-13 11:51:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:56,602 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions.
[2022-12-13 11:51:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 11:51:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2022-12-13 11:51:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:56,603 INFO L225 Difference]: With dead ends: 62
[2022-12-13 11:51:56,603 INFO L226 Difference]: Without dead ends: 60
[2022-12-13 11:51:56,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2022-12-13 11:51:56,604 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:56,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 102 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:56,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2022-12-13 11:51:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55.
[2022-12-13 11:51:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 54 states have internal predecessors, (67), 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)
[2022-12-13 11:51:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions.
[2022-12-13 11:51:56,607 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 25
[2022-12-13 11:51:56,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:56,607 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions.
[2022-12-13 11:51:56,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 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)
[2022-12-13 11:51:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions.
[2022-12-13 11:51:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-12-13 11:51:56,608 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:56,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:56,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2022-12-13 11:51:56,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:56,808 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:56,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1363772664, now seen corresponding path program 2 times
[2022-12-13 11:51:56,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:56,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169614165]
[2022-12-13 11:51:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:56,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:56,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:56,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169614165]
[2022-12-13 11:51:56,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169614165] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:56,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866746708]
[2022-12-13 11:51:56,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 11:51:56,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:56,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:56,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:56,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-12-13 11:51:56,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 11:51:56,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 11:51:56,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 11:51:57,000 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-12-13 11:51:57,047 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 11:51:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-12-13 11:51:57,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866746708] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 11:51:57,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 11:51:57,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16
[2022-12-13 11:51:57,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121477493]
[2022-12-13 11:51:57,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 11:51:57,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-12-13 11:51:57,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:57,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-12-13 11:51:57,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2022-12-13 11:51:57,094 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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)
[2022-12-13 11:51:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:57,324 INFO L93 Difference]: Finished difference Result 87 states and 106 transitions.
[2022-12-13 11:51:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 11:51:57,325 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29
[2022-12-13 11:51:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:57,325 INFO L225 Difference]: With dead ends: 87
[2022-12-13 11:51:57,325 INFO L226 Difference]: Without dead ends: 31
[2022-12-13 11:51:57,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930
[2022-12-13 11:51:57,326 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 85 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:57,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 74 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-12-13 11:51:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2022-12-13 11:51:57,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2022-12-13 11:51:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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)
[2022-12-13 11:51:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions.
[2022-12-13 11:51:57,328 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 29
[2022-12-13 11:51:57,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:57,328 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions.
[2022-12-13 11:51:57,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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)
[2022-12-13 11:51:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions.
[2022-12-13 11:51:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-12-13 11:51:57,328 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 11:51:57,328 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:57,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2022-12-13 11:51:57,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-12-13 11:51:57,530 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-12-13 11:51:57,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:51:57,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1250973554, now seen corresponding path program 2 times
[2022-12-13 11:51:57,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:51:57,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363307869]
[2022-12-13 11:51:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:51:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:51:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:51:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:51:57,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:51:57,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363307869]
[2022-12-13 11:51:57,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363307869] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 11:51:57,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528485403]
[2022-12-13 11:51:57,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 11:51:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:57,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:51:57,789 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 11:51:57,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-12-13 11:51:57,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 11:51:57,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 11:51:57,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 11:51:57,833 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 11:51:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2022-12-13 11:51:57,878 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 11:51:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2022-12-13 11:51:57,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528485403] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 11:51:57,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 11:51:57,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14
[2022-12-13 11:51:57,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473166616]
[2022-12-13 11:51:57,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 11:51:57,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-12-13 11:51:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:51:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-12-13 11:51:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2022-12-13 11:51:57,919 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 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)
[2022-12-13 11:51:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:51:58,048 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions.
[2022-12-13 11:51:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2022-12-13 11:51:58,048 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30
[2022-12-13 11:51:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:51:58,049 INFO L225 Difference]: With dead ends: 37
[2022-12-13 11:51:58,049 INFO L226 Difference]: Without dead ends: 0
[2022-12-13 11:51:58,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702
[2022-12-13 11:51:58,050 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 30 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:51:58,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 20 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:51:58,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-12-13 11:51:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-12-13 11:51:58,051 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)
[2022-12-13 11:51:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-12-13 11:51:58,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2022-12-13 11:51:58,051 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:51:58,051 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-12-13 11:51:58,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 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)
[2022-12-13 11:51:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-12-13 11:51:58,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-12-13 11:51:58,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2022-12-13 11:51:58,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2022-12-13 11:51:58,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2022-12-13 11:51:58,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2022-12-13 11:51:58,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2022-12-13 11:51:58,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2022-12-13 11:51:58,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2022-12-13 11:51:58,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 11:51:58,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-12-13 11:51:58,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed.
[2022-12-13 11:51:58,591 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed.
[2022-12-13 11:51:58,591 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 377 383) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 1 |ULTIMATE.start_main_~length~0#1|))) (or (and (<= |ULTIMATE.start_main_~length~0#1| 1) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~length~0#1| 2147483647) .cse0 (< |ULTIMATE.start_main_~j~0#1| 2147483648) .cse1) (and (<= (+ |ULTIMATE.start_main_~j~0#1| 1) 0) .cse0 .cse1)))
[2022-12-13 11:51:58,591 INFO L899 garLoopResultBuilder]: For program point L370-2(lines 370 375) no Hoare annotation was computed.
[2022-12-13 11:51:58,591 INFO L899 garLoopResultBuilder]: For program point L370-3(line 370) no Hoare annotation was computed.
[2022-12-13 11:51:58,591 INFO L899 garLoopResultBuilder]: For program point L370-4(line 370) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L895 garLoopResultBuilder]: At program point L370-5(lines 370 375) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~length~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_main_~length~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1)))
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L370-6(lines 370 375) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 364 385) the Hoare annotation is: true
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 370) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 381) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed.
[2022-12-13 11:51:58,592 INFO L899 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 370) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 381) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point L381(line 381) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point L377-2(lines 377 383) no Hoare annotation was computed.
[2022-12-13 11:51:58,593 INFO L899 garLoopResultBuilder]: For program point L369(line 369) no Hoare annotation was computed.
[2022-12-13 11:51:58,595 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:51:58,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 11:51:58,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:51:58 BoogieIcfgContainer
[2022-12-13 11:51:58,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 11:51:58,609 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 11:51:58,609 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-12-13 11:51:58,609 INFO L275 PluginConnector]: Witness Printer initialized
[2022-12-13 11:51:58,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:52" (3/4) ...
[2022-12-13 11:51:58,612 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-12-13 11:51:58,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2022-12-13 11:51:58,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-12-13 11:51:58,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 11:51:58,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 11:51:58,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/witness.graphml
[2022-12-13 11:51:58,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 11:51:58,649 INFO L158 Benchmark]: Toolchain (without parser) took 6749.29ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 95.3MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,650 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 11:51:58,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.57ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 99.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.45ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 11:51:58,650 INFO L158 Benchmark]: Boogie Preprocessor took 17.38ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,651 INFO L158 Benchmark]: RCFGBuilder took 251.74ms. Allocated memory is still 151.0MB. Free memory was 96.1MB in the beginning and 84.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,651 INFO L158 Benchmark]: TraceAbstraction took 6145.53ms. Allocated memory is still 151.0MB. Free memory was 84.0MB in the beginning and 97.4MB in the end (delta: -13.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,651 INFO L158 Benchmark]: Witness Printer took 39.71ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 11:51:58,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 262.57ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 99.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 27.45ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 17.38ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 251.74ms. Allocated memory is still 151.0MB. Free memory was 96.1MB in the beginning and 84.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 6145.53ms. Allocated memory is still 151.0MB. Free memory was 84.0MB in the beginning and 97.4MB in the end (delta: -13.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB.
* Witness Printer took 39.71ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 370]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 370]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 379]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 379]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 381]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 381]: 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 1 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 432 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 432 mSDsluCounter, 1015 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 756 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 800 IncrementalHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 259 mSDtfsCounter, 800 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 265 SyntacticMatches, 8 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=10, InterpolantAutomatonStates: 115, 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, 15 MinimizatonAttempts, 88 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 30 NumberOfFragments, 58 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1271 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1364 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 461 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336 SizeOfPredicates, 25 NumberOfNonLiveVariables, 638 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 162/305 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: 364]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 370]: Loop Invariant
Derived loop invariant: ((length <= 2147483647 && 1 <= i) && 1 <= length) || ((length <= 2147483647 && i == 0) && 1 <= length)
- InvariantResult [Line: 377]: Loop Invariant
Derived loop invariant: (((length <= 1 && 1 <= i) && 1 <= length) || (((length <= 2147483647 && 1 <= i) && j < 2147483648) && 1 <= length)) || ((j + 1 <= 0 && 1 <= i) && 1 <= length)
RESULT: Ultimate proved your program to be correct!
[2022-12-13 11:51:58,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dc57453-8377-4f60-b5c5-9084b335b710/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE