./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 0e0057cc
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_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:59:29,334 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:59:29,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-26 11:59:29,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:59:29,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:59:29,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:59:29,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:59:29,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:59:29,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:59:29,528 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:59:29,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:59:29,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:59:29,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:59:29,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:59:29,533 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:59:29,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:59:29,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:59:29,535 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:59:29,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:59:29,536 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:59:29,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:59:29,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:59:29,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:59:29,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:59:29,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-26 11:59:29,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-26 11:59:29,542 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:59:29,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:59:29,542 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:59:29,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:59:29,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:59:29,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:59:29,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:59:29,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:59:29,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:59:29,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:59:29,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:59:29,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:59:29,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:59:29,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:59:29,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:59:29,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:59:29,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:59:29,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:59:29,551 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20
[2023-11-26 11:59:29,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:59:29,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:59:29,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:59:29,869 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:59:29,870 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:59:29,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i
[2023-11-26 11:59:33,190 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:59:33,617 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:59:33,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i
[2023-11-26 11:59:33,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/data/3debac505/d759c2dcda9747a0be2d09d69f169325/FLAG9c451ceb2
[2023-11-26 11:59:33,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/data/3debac505/d759c2dcda9747a0be2d09d69f169325
[2023-11-26 11:59:33,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:59:33,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:59:33,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:59:33,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:59:33,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:59:33,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:33" (1/1) ...
[2023-11-26 11:59:33,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2501c0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:33, skipping insertion in model container
[2023-11-26 11:59:33,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:33" (1/1) ...
[2023-11-26 11:59:33,733 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:59:34,068 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:59:34,081 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:59:34,164 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:59:34,206 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:59:34,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34 WrapperNode
[2023-11-26 11:59:34,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:59:34,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:59:34,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:59:34,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:59:34,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,279 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 299
[2023-11-26 11:59:34,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:59:34,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:59:34,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:59:34,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:59:34,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,329 INFO L175 MemorySlicer]: Split 66 memory accesses to 3 slices as follows [2, 54, 10]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 11 writes are split as follows [0, 6, 5].
[2023-11-26 11:59:34,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:59:34,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:59:34,370 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:59:34,370 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:59:34,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (1/1) ...
[2023-11-26 11:59:34,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:59:34,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:34,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:59:34,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:59:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-26 11:59:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-26 11:59:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-26 11:59:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-26 11:59:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-26 11:59:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-26 11:59:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-26 11:59:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:59:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2023-11-26 11:59:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2023-11-26 11:59:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2023-11-26 11:59:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2023-11-26 11:59:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2023-11-26 11:59:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2023-11-26 11:59:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-26 11:59:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:59:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-26 11:59:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-26 11:59:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:59:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:59:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure append
[2023-11-26 11:59:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure append
[2023-11-26 11:59:34,591 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:59:34,594 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:59:35,083 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:59:35,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:59:35,121 INFO L309 CfgBuilder]: Removed 11 assume(true) statements.
[2023-11-26 11:59:35,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:35 BoogieIcfgContainer
[2023-11-26 11:59:35,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:59:35,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:59:35,125 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:59:35,129 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:59:35,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:33" (1/3) ...
[2023-11-26 11:59:35,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ab0751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:35, skipping insertion in model container
[2023-11-26 11:59:35,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34" (2/3) ...
[2023-11-26 11:59:35,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ab0751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:35, skipping insertion in model container
[2023-11-26 11:59:35,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:35" (3/3) ...
[2023-11-26 11:59:35,133 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05-2.i
[2023-11-26 11:59:35,155 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:59:35,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-26 11:59:35,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:59:35,221 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a57221f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:59:35,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-26 11:59:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 52 states have (on average 1.7307692307692308) internal successors, (90), 58 states have internal predecessors, (90), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-26 11:59:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-26 11:59:35,239 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:35,240 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:35,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:35,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:35,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1896225196, now seen corresponding path program 1 times
[2023-11-26 11:59:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:35,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335543260]
[2023-11-26 11:59:35,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-26 11:59:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-26 11:59:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-26 11:59:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-26 11:59:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-26 11:59:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-26 11:59:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-26 11:59:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2023-11-26 11:59:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-11-26 11:59:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked.
[2023-11-26 11:59:36,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:36,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335543260]
[2023-11-26 11:59:36,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335543260] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:36,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:36,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:59:36,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216736125]
[2023-11-26 11:59:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:36,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:59:36,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:36,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:59:36,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:59:36,482 INFO L87 Difference]: Start difference. First operand has 73 states, 52 states have (on average 1.7307692307692308) internal successors, (90), 58 states have internal predecessors, (90), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-26 11:59:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:36,716 INFO L93 Difference]: Finished difference Result 145 states and 239 transitions.
[2023-11-26 11:59:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:59:36,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81
[2023-11-26 11:59:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:36,731 INFO L225 Difference]: With dead ends: 145
[2023-11-26 11:59:36,732 INFO L226 Difference]: Without dead ends: 70
[2023-11-26 11:59:36,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:59:36,740 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:36,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 11:59:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2023-11-26 11:59:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2023-11-26 11:59:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.5) internal successors, (75), 55 states have internal predecessors, (75), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-26 11:59:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 105 transitions.
[2023-11-26 11:59:36,799 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 105 transitions. Word has length 81
[2023-11-26 11:59:36,800 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:36,800 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 105 transitions.
[2023-11-26 11:59:36,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-11-26 11:59:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions.
[2023-11-26 11:59:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2023-11-26 11:59:36,808 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:36,808 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:36,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 11:59:36,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:36,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:36,810 INFO L85 PathProgramCache]: Analyzing trace with hash 616565047, now seen corresponding path program 1 times
[2023-11-26 11:59:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:36,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170313767]
[2023-11-26 11:59:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked.
[2023-11-26 11:59:39,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:39,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170313767]
[2023-11-26 11:59:39,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170313767] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:39,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693891595]
[2023-11-26 11:59:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:39,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:39,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:39,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:39,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-26 11:59:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:39,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-26 11:59:39,960 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:59:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-11-26 11:59:40,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:59:40,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693891595] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:40,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:59:40,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11
[2023-11-26 11:59:40,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149315927]
[2023-11-26 11:59:40,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:40,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:59:40,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:59:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2023-11-26 11:59:40,044 INFO L87 Difference]: Start difference. First operand 70 states and 105 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:40,103 INFO L93 Difference]: Finished difference Result 75 states and 110 transitions.
[2023-11-26 11:59:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:59:40,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119
[2023-11-26 11:59:40,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:40,106 INFO L225 Difference]: With dead ends: 75
[2023-11-26 11:59:40,106 INFO L226 Difference]: Without dead ends: 74
[2023-11-26 11:59:40,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2023-11-26 11:59:40,108 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 28 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:40,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 256 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:59:40,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2023-11-26 11:59:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69.
[2023-11-26 11:59:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.48) internal successors, (74), 54 states have internal predecessors, (74), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-26 11:59:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions.
[2023-11-26 11:59:40,122 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 119
[2023-11-26 11:59:40,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:40,124 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions.
[2023-11-26 11:59:40,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:40,125 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions.
[2023-11-26 11:59:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2023-11-26 11:59:40,127 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:40,128 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:40,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-26 11:59:40,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:40,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:40,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1933647467, now seen corresponding path program 1 times
[2023-11-26 11:59:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:40,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426842973]
[2023-11-26 11:59:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:40,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked.
[2023-11-26 11:59:42,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:42,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426842973]
[2023-11-26 11:59:42,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426842973] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:42,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153805423]
[2023-11-26 11:59:42,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:42,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:42,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:42,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:42,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-26 11:59:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:42,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-26 11:59:42,939 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:59:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-11-26 11:59:42,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:59:42,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153805423] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:42,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:59:42,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11
[2023-11-26 11:59:42,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012634475]
[2023-11-26 11:59:42,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:42,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:59:42,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:59:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2023-11-26 11:59:42,995 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:43,081 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions.
[2023-11-26 11:59:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:59:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120
[2023-11-26 11:59:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:43,091 INFO L225 Difference]: With dead ends: 96
[2023-11-26 11:59:43,091 INFO L226 Difference]: Without dead ends: 77
[2023-11-26 11:59:43,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2023-11-26 11:59:43,096 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 6 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:43,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 278 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:59:43,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2023-11-26 11:59:43,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72.
[2023-11-26 11:59:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 57 states have internal predecessors, (77), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-26 11:59:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 107 transitions.
[2023-11-26 11:59:43,118 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 107 transitions. Word has length 120
[2023-11-26 11:59:43,118 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:43,119 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 107 transitions.
[2023-11-26 11:59:43,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions.
[2023-11-26 11:59:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2023-11-26 11:59:43,122 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:43,123 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-26 11:59:43,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-11-26 11:59:43,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:43,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1190631033, now seen corresponding path program 1 times
[2023-11-26 11:59:43,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:43,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263131977]
[2023-11-26 11:59:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-11-26 11:59:45,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:45,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263131977]
[2023-11-26 11:59:45,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263131977] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:45,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403919349]
[2023-11-26 11:59:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:45,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:45,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:45,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-26 11:59:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:46,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-26 11:59:46,019 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:59:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-11-26 11:59:46,116 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:59:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-11-26 11:59:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403919349] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:59:46,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 11:59:46,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 17
[2023-11-26 11:59:46,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681163548]
[2023-11-26 11:59:46,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:59:46,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-26 11:59:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-26 11:59:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272
[2023-11-26 11:59:46,278 INFO L87 Difference]: Start difference. First operand 72 states and 107 transitions. Second operand has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30)
[2023-11-26 11:59:47,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:47,678 INFO L93 Difference]: Finished difference Result 261 states and 430 transitions.
[2023-11-26 11:59:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2023-11-26 11:59:47,679 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 123
[2023-11-26 11:59:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:47,683 INFO L225 Difference]: With dead ends: 261
[2023-11-26 11:59:47,683 INFO L226 Difference]: Without dead ends: 190
[2023-11-26 11:59:47,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122
[2023-11-26 11:59:47,686 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 280 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:47,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 597 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:59:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2023-11-26 11:59:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 106.
[2023-11-26 11:59:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 71 states have (on average 1.408450704225352) internal successors, (100), 77 states have internal predecessors, (100), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 175 transitions.
[2023-11-26 11:59:47,735 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 175 transitions. Word has length 123
[2023-11-26 11:59:47,735 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:47,736 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 175 transitions.
[2023-11-26 11:59:47,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30)
[2023-11-26 11:59:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions.
[2023-11-26 11:59:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-11-26 11:59:47,746 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:47,747 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:47,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-26 11:59:47,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:47,958 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:47,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:47,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1641488542, now seen corresponding path program 1 times
[2023-11-26 11:59:47,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:47,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634499438]
[2023-11-26 11:59:47,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:47,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2023-11-26 11:59:48,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:48,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634499438]
[2023-11-26 11:59:48,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634499438] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:48,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:48,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-26 11:59:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564072558]
[2023-11-26 11:59:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:48,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:48,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:48,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:48,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:48,786 INFO L87 Difference]: Start difference. First operand 106 states and 175 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:48,923 INFO L93 Difference]: Finished difference Result 111 states and 180 transitions.
[2023-11-26 11:59:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-26 11:59:48,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 139
[2023-11-26 11:59:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:48,926 INFO L225 Difference]: With dead ends: 111
[2023-11-26 11:59:48,926 INFO L226 Difference]: Without dead ends: 109
[2023-11-26 11:59:48,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:48,928 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 5 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:48,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 330 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:59:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2023-11-26 11:59:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2023-11-26 11:59:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 80 states have internal predecessors, (103), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 178 transitions.
[2023-11-26 11:59:48,963 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 178 transitions. Word has length 139
[2023-11-26 11:59:48,965 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:48,965 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 178 transitions.
[2023-11-26 11:59:48,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions.
[2023-11-26 11:59:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-26 11:59:48,972 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:48,972 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:48,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-26 11:59:48,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:48,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:48,973 INFO L85 PathProgramCache]: Analyzing trace with hash 912738875, now seen corresponding path program 1 times
[2023-11-26 11:59:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:48,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592452894]
[2023-11-26 11:59:48,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:48,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked.
[2023-11-26 11:59:49,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:49,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592452894]
[2023-11-26 11:59:49,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592452894] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:49,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:49,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:59:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981995101]
[2023-11-26 11:59:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:49,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:49,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:49,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:49,775 INFO L87 Difference]: Start difference. First operand 109 states and 178 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:49,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:49,911 INFO L93 Difference]: Finished difference Result 146 states and 228 transitions.
[2023-11-26 11:59:49,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:59:49,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142
[2023-11-26 11:59:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:49,915 INFO L225 Difference]: With dead ends: 146
[2023-11-26 11:59:49,915 INFO L226 Difference]: Without dead ends: 125
[2023-11-26 11:59:49,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:49,917 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 30 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:49,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 336 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:59:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2023-11-26 11:59:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111.
[2023-11-26 11:59:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 76 states have (on average 1.381578947368421) internal successors, (105), 82 states have internal predecessors, (105), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 180 transitions.
[2023-11-26 11:59:49,954 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 180 transitions. Word has length 142
[2023-11-26 11:59:49,954 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:49,955 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 180 transitions.
[2023-11-26 11:59:49,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions.
[2023-11-26 11:59:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-26 11:59:49,958 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:49,958 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:49,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-26 11:59:49,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:49,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash -367124803, now seen corresponding path program 1 times
[2023-11-26 11:59:49,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:49,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518028043]
[2023-11-26 11:59:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked.
[2023-11-26 11:59:50,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:50,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518028043]
[2023-11-26 11:59:50,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518028043] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:50,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:50,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:59:50,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110349640]
[2023-11-26 11:59:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:50,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:50,683 INFO L87 Difference]: Start difference. First operand 111 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:50,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:50,808 INFO L93 Difference]: Finished difference Result 146 states and 226 transitions.
[2023-11-26 11:59:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:59:50,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142
[2023-11-26 11:59:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:50,811 INFO L225 Difference]: With dead ends: 146
[2023-11-26 11:59:50,811 INFO L226 Difference]: Without dead ends: 123
[2023-11-26 11:59:50,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:50,812 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 21 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:50,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 332 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:59:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2023-11-26 11:59:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113.
[2023-11-26 11:59:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 84 states have internal predecessors, (107), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 182 transitions.
[2023-11-26 11:59:50,830 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 182 transitions. Word has length 142
[2023-11-26 11:59:50,830 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:50,830 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 182 transitions.
[2023-11-26 11:59:50,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions.
[2023-11-26 11:59:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-26 11:59:50,834 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:50,834 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:50,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-26 11:59:50,834 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:50,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash -953930817, now seen corresponding path program 1 times
[2023-11-26 11:59:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:50,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574438714]
[2023-11-26 11:59:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked.
[2023-11-26 11:59:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:51,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574438714]
[2023-11-26 11:59:51,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574438714] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:51,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:51,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:59:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474826558]
[2023-11-26 11:59:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:51,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:51,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:51,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:51,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:51,507 INFO L87 Difference]: Start difference. First operand 113 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:51,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:51,612 INFO L93 Difference]: Finished difference Result 146 states and 224 transitions.
[2023-11-26 11:59:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:59:51,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142
[2023-11-26 11:59:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:51,615 INFO L225 Difference]: With dead ends: 146
[2023-11-26 11:59:51,615 INFO L226 Difference]: Without dead ends: 121
[2023-11-26 11:59:51,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:51,617 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:51,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 329 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:59:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2023-11-26 11:59:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115.
[2023-11-26 11:59:51,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.3625) internal successors, (109), 86 states have internal predecessors, (109), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 184 transitions.
[2023-11-26 11:59:51,635 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 184 transitions. Word has length 142
[2023-11-26 11:59:51,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:51,636 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 184 transitions.
[2023-11-26 11:59:51,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions.
[2023-11-26 11:59:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-26 11:59:51,640 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:51,642 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:51,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-26 11:59:51,642 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:51,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash -252866239, now seen corresponding path program 1 times
[2023-11-26 11:59:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:51,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439569784]
[2023-11-26 11:59:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked.
[2023-11-26 11:59:52,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:52,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439569784]
[2023-11-26 11:59:52,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439569784] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:52,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:52,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:59:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728805423]
[2023-11-26 11:59:52,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:52,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:52,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:52,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:52,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:52,246 INFO L87 Difference]: Start difference. First operand 115 states and 184 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:52,357 INFO L93 Difference]: Finished difference Result 146 states and 222 transitions.
[2023-11-26 11:59:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:59:52,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142
[2023-11-26 11:59:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:52,360 INFO L225 Difference]: With dead ends: 146
[2023-11-26 11:59:52,360 INFO L226 Difference]: Without dead ends: 119
[2023-11-26 11:59:52,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:52,361 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:52,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 330 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:59:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2023-11-26 11:59:52,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117.
[2023-11-26 11:59:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 82 states have (on average 1.353658536585366) internal successors, (111), 88 states have internal predecessors, (111), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 186 transitions.
[2023-11-26 11:59:52,374 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 186 transitions. Word has length 142
[2023-11-26 11:59:52,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:52,375 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 186 transitions.
[2023-11-26 11:59:52,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions.
[2023-11-26 11:59:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-26 11:59:52,377 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:52,377 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:52,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-26 11:59:52,378 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:52,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:52,378 INFO L85 PathProgramCache]: Analyzing trace with hash 427192131, now seen corresponding path program 1 times
[2023-11-26 11:59:52,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253307656]
[2023-11-26 11:59:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 11:59:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:53,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253307656]
[2023-11-26 11:59:53,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253307656] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814057554]
[2023-11-26 11:59:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:53,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:53,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:53,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-26 11:59:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:54,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-26 11:59:54,500 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:59:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 11:59:54,559 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:59:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 11:59:54,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814057554] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:59:54,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 11:59:54,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15
[2023-11-26 11:59:54,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087202249]
[2023-11-26 11:59:54,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:59:54,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-26 11:59:54,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:54,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-26 11:59:54,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2023-11-26 11:59:54,692 INFO L87 Difference]: Start difference. First operand 117 states and 186 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:54,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:54,916 INFO L93 Difference]: Finished difference Result 155 states and 233 transitions.
[2023-11-26 11:59:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-26 11:59:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142
[2023-11-26 11:59:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:54,920 INFO L225 Difference]: With dead ends: 155
[2023-11-26 11:59:54,920 INFO L226 Difference]: Without dead ends: 126
[2023-11-26 11:59:54,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342
[2023-11-26 11:59:54,921 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 27 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:54,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 692 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 11:59:54,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2023-11-26 11:59:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126.
[2023-11-26 11:59:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 97 states have internal predecessors, (120), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions.
[2023-11-26 11:59:54,937 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 142
[2023-11-26 11:59:54,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:54,937 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions.
[2023-11-26 11:59:54,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions.
[2023-11-26 11:59:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2023-11-26 11:59:54,940 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:54,940 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:54,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-26 11:59:55,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-26 11:59:55,152 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:55,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:55,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1625059787, now seen corresponding path program 2 times
[2023-11-26 11:59:55,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:55,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295552768]
[2023-11-26 11:59:55,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:55,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 11:59:56,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295552768]
[2023-11-26 11:59:56,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295552768] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849766916]
[2023-11-26 11:59:56,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-26 11:59:56,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:56,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:56,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-26 11:59:57,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-26 11:59:57,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 11:59:57,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-26 11:59:57,432 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:59:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked.
[2023-11-26 11:59:57,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:59:57,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849766916] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:57,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:59:57,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16
[2023-11-26 11:59:57,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512589711]
[2023-11-26 11:59:57,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:57,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:59:57,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:57,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:59:57,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240
[2023-11-26 11:59:57,488 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:57,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:59:57,537 INFO L93 Difference]: Finished difference Result 137 states and 207 transitions.
[2023-11-26 11:59:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:59:57,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151
[2023-11-26 11:59:57,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:59:57,541 INFO L225 Difference]: With dead ends: 137
[2023-11-26 11:59:57,542 INFO L226 Difference]: Without dead ends: 128
[2023-11-26 11:59:57,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240
[2023-11-26 11:59:57,545 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:59:57,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 277 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:59:57,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2023-11-26 11:59:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2023-11-26 11:59:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 99 states have internal predecessors, (122), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 11:59:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 197 transitions.
[2023-11-26 11:59:57,564 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 197 transitions. Word has length 151
[2023-11-26 11:59:57,564 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:59:57,564 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 197 transitions.
[2023-11-26 11:59:57,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 11:59:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions.
[2023-11-26 11:59:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2023-11-26 11:59:57,568 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:59:57,568 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:57,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-26 11:59:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-26 11:59:57,779 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 11:59:57,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash 448834859, now seen corresponding path program 1 times
[2023-11-26 11:59:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:57,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936738501]
[2023-11-26 11:59:57,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:57,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 11:59:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 11:59:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 11:59:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 11:59:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 11:59:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 11:59:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 11:59:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 11:59:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 11:59:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 11:59:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 11:59:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 11:59:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 11:59:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 11:59:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 11:59:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 11:59:58,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:58,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936738501]
[2023-11-26 11:59:58,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936738501] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:59:58,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993984965]
[2023-11-26 11:59:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:58,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:59:58,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:59:58,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:59:58,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-26 12:00:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:00,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-26 12:00:00,311 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 12:00:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 12:00:00,383 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 12:00:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2023-11-26 12:00:00,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993984965] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 12:00:00,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 12:00:00,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 16
[2023-11-26 12:00:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874518935]
[2023-11-26 12:00:00,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 12:00:00,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-26 12:00:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 12:00:00,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-26 12:00:00,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2023-11-26 12:00:00,572 INFO L87 Difference]: Start difference. First operand 128 states and 197 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 12:00:00,766 INFO L93 Difference]: Finished difference Result 162 states and 238 transitions.
[2023-11-26 12:00:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-11-26 12:00:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151
[2023-11-26 12:00:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 12:00:00,769 INFO L225 Difference]: With dead ends: 162
[2023-11-26 12:00:00,770 INFO L226 Difference]: Without dead ends: 131
[2023-11-26 12:00:00,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2023-11-26 12:00:00,771 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 39 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 12:00:00,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 427 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 12:00:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2023-11-26 12:00:00,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2023-11-26 12:00:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 96 states have (on average 1.3020833333333333) internal successors, (125), 102 states have internal predecessors, (125), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 12:00:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions.
[2023-11-26 12:00:00,790 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 151
[2023-11-26 12:00:00,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 12:00:00,795 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions.
[2023-11-26 12:00:00,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions.
[2023-11-26 12:00:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2023-11-26 12:00:00,798 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 12:00:00,798 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 12:00:00,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-26 12:00:01,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-26 12:00:01,018 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 12:00:01,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 12:00:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash -114093127, now seen corresponding path program 2 times
[2023-11-26 12:00:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 12:00:01,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019271986]
[2023-11-26 12:00:01,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 12:00:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 12:00:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 12:00:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 12:00:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 12:00:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 12:00:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 12:00:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 12:00:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 12:00:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 12:00:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 12:00:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 12:00:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 12:00:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 12:00:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 12:00:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 12:00:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 12:00:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked.
[2023-11-26 12:00:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 12:00:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019271986]
[2023-11-26 12:00:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019271986] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 12:00:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840671493]
[2023-11-26 12:00:01,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-26 12:00:01,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 12:00:01,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 12:00:01,851 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 12:00:01,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-26 12:00:03,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-26 12:00:03,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 12:00:03,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-26 12:00:03,644 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 12:00:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked.
[2023-11-26 12:00:03,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 12:00:03,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840671493] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 12:00:03,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 12:00:03,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2023-11-26 12:00:03,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285366735]
[2023-11-26 12:00:03,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 12:00:03,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 12:00:03,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 12:00:03,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 12:00:03,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2023-11-26 12:00:03,711 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:03,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 12:00:03,760 INFO L93 Difference]: Finished difference Result 131 states and 200 transitions.
[2023-11-26 12:00:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 12:00:03,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154
[2023-11-26 12:00:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 12:00:03,763 INFO L225 Difference]: With dead ends: 131
[2023-11-26 12:00:03,763 INFO L226 Difference]: Without dead ends: 130
[2023-11-26 12:00:03,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2023-11-26 12:00:03,764 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 26 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 12:00:03,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 252 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 12:00:03,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2023-11-26 12:00:03,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2023-11-26 12:00:03,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 101 states have internal predecessors, (124), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45)
[2023-11-26 12:00:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 199 transitions.
[2023-11-26 12:00:03,778 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 199 transitions. Word has length 154
[2023-11-26 12:00:03,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 12:00:03,779 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 199 transitions.
[2023-11-26 12:00:03,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions.
[2023-11-26 12:00:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2023-11-26 12:00:03,782 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 12:00:03,782 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 12:00:03,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-26 12:00:04,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2023-11-26 12:00:04,006 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-26 12:00:04,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 12:00:04,006 INFO L85 PathProgramCache]: Analyzing trace with hash 758080620, now seen corresponding path program 1 times
[2023-11-26 12:00:04,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 12:00:04,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531378559]
[2023-11-26 12:00:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 12:00:04,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 12:00:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-26 12:00:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-26 12:00:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-26 12:00:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-26 12:00:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-26 12:00:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-11-26 12:00:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-26 12:00:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-26 12:00:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2023-11-26 12:00:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-26 12:00:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-26 12:00:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2023-11-26 12:00:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2023-11-26 12:00:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-26 12:00:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2023-11-26 12:00:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 12:00:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked.
[2023-11-26 12:00:04,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 12:00:04,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531378559]
[2023-11-26 12:00:04,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531378559] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 12:00:04,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 12:00:04,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 12:00:04,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262808711]
[2023-11-26 12:00:04,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 12:00:04,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 12:00:04,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 12:00:04,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 12:00:04,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 12:00:04,678 INFO L87 Difference]: Start difference. First operand 130 states and 199 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 12:00:04,797 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions.
[2023-11-26 12:00:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 12:00:04,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 155
[2023-11-26 12:00:04,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 12:00:04,798 INFO L225 Difference]: With dead ends: 130
[2023-11-26 12:00:04,798 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 12:00:04,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 12:00:04,800 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 12:00:04,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 12:00:04,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 12:00:04,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 12:00:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 12:00:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 12:00:04,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155
[2023-11-26 12:00:04,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 12:00:04,802 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 12:00:04,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-11-26 12:00:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 12:00:04,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 12:00:04,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-26 12:00:04,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-26 12:00:04,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-26 12:00:04,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-26 12:00:04,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-26 12:00:04,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 12:00:04,983 INFO L902 garLoopResultBuilder]: At program point L580-3(lines 580 582) the Hoare annotation is: true
[2023-11-26 12:00:04,983 INFO L899 garLoopResultBuilder]: For program point L613-4(lines 613 617) no Hoare annotation was computed.
[2023-11-26 12:00:04,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 629) no Hoare annotation was computed.
[2023-11-26 12:00:04,983 INFO L902 garLoopResultBuilder]: At program point L598(line 598) the Hoare annotation is: true
[2023-11-26 12:00:04,983 INFO L902 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: true
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L583(line 583) no Hoare annotation was computed.
[2023-11-26 12:00:04,984 INFO L902 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: true
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L551-2(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L551-3(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L551-5(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,984 INFO L899 garLoopResultBuilder]: For program point L551-6(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,985 INFO L899 garLoopResultBuilder]: For program point L551-8(line 551) no Hoare annotation was computed.
[2023-11-26 12:00:04,985 INFO L899 garLoopResultBuilder]: For program point L551-9(lines 551 552) no Hoare annotation was computed.
[2023-11-26 12:00:04,985 INFO L899 garLoopResultBuilder]: For program point L551-11(lines 551 552) no Hoare annotation was computed.
[2023-11-26 12:00:04,985 INFO L899 garLoopResultBuilder]: For program point L551-12(lines 551 552) no Hoare annotation was computed.
[2023-11-26 12:00:04,985 INFO L902 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: true
[2023-11-26 12:00:04,985 INFO L899 garLoopResultBuilder]: For program point L551-14(lines 551 552) no Hoare annotation was computed.
[2023-11-26 12:00:04,986 INFO L902 garLoopResultBuilder]: At program point L634-1(lines 634 638) the Hoare annotation is: true
[2023-11-26 12:00:04,986 INFO L899 garLoopResultBuilder]: For program point L634-2(lines 634 638) no Hoare annotation was computed.
[2023-11-26 12:00:04,986 INFO L902 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: true
[2023-11-26 12:00:04,986 INFO L902 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: true
[2023-11-26 12:00:04,986 INFO L902 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: true
[2023-11-26 12:00:04,986 INFO L899 garLoopResultBuilder]: For program point L619-3(line 619) no Hoare annotation was computed.
[2023-11-26 12:00:04,987 INFO L899 garLoopResultBuilder]: For program point L619-4(line 619) no Hoare annotation was computed.
[2023-11-26 12:00:04,987 INFO L895 garLoopResultBuilder]: At program point L619-5(lines 619 623) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~counter~0#1|) (<= |ULTIMATE.start_main_~counter~0#1| 2147483646))
[2023-11-26 12:00:04,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 12:00:04,987 INFO L902 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: true
[2023-11-26 12:00:04,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 629) no Hoare annotation was computed.
[2023-11-26 12:00:04,988 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 610) no Hoare annotation was computed.
[2023-11-26 12:00:04,988 INFO L902 garLoopResultBuilder]: At program point L604-3(lines 604 610) the Hoare annotation is: true
[2023-11-26 12:00:04,988 INFO L899 garLoopResultBuilder]: For program point L604-4(lines 604 610) no Hoare annotation was computed.
[2023-11-26 12:00:04,988 INFO L902 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: true
[2023-11-26 12:00:04,988 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-2(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-3(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-5(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-6(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-8(line 555) no Hoare annotation was computed.
[2023-11-26 12:00:04,989 INFO L899 garLoopResultBuilder]: For program point L555-9(lines 555 556) no Hoare annotation was computed.
[2023-11-26 12:00:04,990 INFO L899 garLoopResultBuilder]: For program point L555-11(lines 555 556) no Hoare annotation was computed.
[2023-11-26 12:00:04,990 INFO L899 garLoopResultBuilder]: For program point L555-12(lines 555 556) no Hoare annotation was computed.
[2023-11-26 12:00:04,990 INFO L899 garLoopResultBuilder]: For program point L555-14(lines 555 556) no Hoare annotation was computed.
[2023-11-26 12:00:04,990 INFO L902 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: true
[2023-11-26 12:00:04,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed.
[2023-11-26 12:00:04,991 INFO L902 garLoopResultBuilder]: At program point L606-2(lines 606 608) the Hoare annotation is: true
[2023-11-26 12:00:04,991 INFO L902 garLoopResultBuilder]: At program point L606-3(lines 606 608) the Hoare annotation is: true
[2023-11-26 12:00:04,991 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed.
[2023-11-26 12:00:04,991 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed.
[2023-11-26 12:00:04,991 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed.
[2023-11-26 12:00:04,992 INFO L895 garLoopResultBuilder]: At program point L624-2(lines 624 628) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~counter~0#1|) (<= |ULTIMATE.start_main_~counter~0#1| 2147483646))
[2023-11-26 12:00:04,992 INFO L899 garLoopResultBuilder]: For program point L624-3(lines 624 628) no Hoare annotation was computed.
[2023-11-26 12:00:04,992 INFO L902 garLoopResultBuilder]: At program point L591-3(lines 591 597) the Hoare annotation is: true
[2023-11-26 12:00:04,992 INFO L902 garLoopResultBuilder]: At program point L591-4(lines 591 597) the Hoare annotation is: true
[2023-11-26 12:00:04,992 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 12:00:04,993 INFO L899 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed.
[2023-11-26 12:00:04,993 INFO L902 garLoopResultBuilder]: At program point L593-2(lines 593 595) the Hoare annotation is: true
[2023-11-26 12:00:04,993 INFO L902 garLoopResultBuilder]: At program point L593-3(lines 593 595) the Hoare annotation is: true
[2023-11-26 12:00:04,993 INFO L899 garLoopResultBuilder]: For program point L578-2(lines 578 584) no Hoare annotation was computed.
[2023-11-26 12:00:04,993 INFO L902 garLoopResultBuilder]: At program point L578-4(lines 578 584) the Hoare annotation is: true
[2023-11-26 12:00:04,994 INFO L902 garLoopResultBuilder]: At program point L578-5(lines 578 584) the Hoare annotation is: true
[2023-11-26 12:00:04,994 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed.
[2023-11-26 12:00:04,994 INFO L899 garLoopResultBuilder]: For program point L629-3(line 629) no Hoare annotation was computed.
[2023-11-26 12:00:04,994 INFO L899 garLoopResultBuilder]: For program point L629-4(line 629) no Hoare annotation was computed.
[2023-11-26 12:00:04,994 INFO L895 garLoopResultBuilder]: At program point L629-5(lines 629 633) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_main_~counter~0#1|))
[2023-11-26 12:00:04,995 INFO L899 garLoopResultBuilder]: For program point L613-1(lines 613 617) no Hoare annotation was computed.
[2023-11-26 12:00:04,995 INFO L902 garLoopResultBuilder]: At program point L580-2(lines 580 582) the Hoare annotation is: true
[2023-11-26 12:00:04,995 INFO L902 garLoopResultBuilder]: At program point L613-3(lines 613 617) the Hoare annotation is: true
[2023-11-26 12:00:04,995 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed.
[2023-11-26 12:00:04,995 INFO L899 garLoopResultBuilder]: For program point appendEXIT(lines 558 572) no Hoare annotation was computed.
[2023-11-26 12:00:04,995 INFO L899 garLoopResultBuilder]: For program point L561-2(lines 561 567) no Hoare annotation was computed.
[2023-11-26 12:00:04,996 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 572) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|) (= |old(#valid)| |#valid|))
[2023-11-26 12:00:04,996 INFO L899 garLoopResultBuilder]: For program point appendFINAL(lines 558 572) no Hoare annotation was computed.
[2023-11-26 12:00:05,000 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 12:00:05,002 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 12:00:05,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:05 BoogieIcfgContainer
[2023-11-26 12:00:05,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 12:00:05,015 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 12:00:05,015 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 12:00:05,016 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 12:00:05,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:35" (3/4) ...
[2023-11-26 12:00:05,018 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 12:00:05,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append
[2023-11-26 12:00:05,032 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2023-11-26 12:00:05,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2023-11-26 12:00:05,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-26 12:00:05,035 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 12:00:05,175 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 12:00:05,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 12:00:05,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 12:00:05,177 INFO L158 Benchmark]: Toolchain (without parser) took 31513.23ms. Allocated memory was 153.1MB in the beginning and 629.1MB in the end (delta: 476.1MB). Free memory was 120.0MB in the beginning and 457.6MB in the end (delta: -337.7MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,178 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 153.1MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 12:00:05,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.59ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.96ms. Allocated memory is still 153.1MB. Free memory was 100.7MB in the beginning and 97.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,179 INFO L158 Benchmark]: Boogie Preprocessor took 88.70ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 92.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,179 INFO L158 Benchmark]: RCFGBuilder took 752.16ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.9MB in the beginning and 144.4MB in the end (delta: -51.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,180 INFO L158 Benchmark]: TraceAbstraction took 29889.85ms. Allocated memory was 184.5MB in the beginning and 629.1MB in the end (delta: 444.6MB). Free memory was 143.5MB in the beginning and 466.0MB in the end (delta: -322.5MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,180 INFO L158 Benchmark]: Witness Printer took 161.12ms. Allocated memory is still 629.1MB. Free memory was 466.0MB in the beginning and 457.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-26 12:00:05,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.50ms. Allocated memory is still 153.1MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 541.59ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.96ms. Allocated memory is still 153.1MB. Free memory was 100.7MB in the beginning and 97.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 88.70ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 92.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 752.16ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.9MB in the beginning and 144.4MB in the end (delta: -51.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 29889.85ms. Allocated memory was 184.5MB in the beginning and 629.1MB in the end (delta: 444.6MB). Free memory was 143.5MB in the beginning and 466.0MB in the end (delta: -322.5MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB.
* Witness Printer took 161.12ms. Allocated memory is still 629.1MB. Free memory was 466.0MB in the beginning and 457.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 619]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 619]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 629]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 629]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 14, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 477 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 4837 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3561 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1280 IncrementalHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 1276 mSDtfsCounter, 1280 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1898 GetRequests, 1753 SyntacticMatches, 11 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=12, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 126 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 86 PreInvPairs, 140 NumberOfFragments, 67 HoareAnnotationTreeSize, 86 FomulaSimplifications, 233 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 2863 NumberOfCodeBlocks, 2753 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3255 ConstructedInterpolants, 0 QuantifiedInterpolants, 8774 SizeOfPredicates, 13 NumberOfNonLiveVariables, 11479 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 11 PerfectInterpolantSequences, 12326/12813 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
4 specifications checked. All of them hold
- InvariantResult [Line: 619]: Loop Invariant
Derived loop invariant: ((0 <= counter) && (counter <= 2147483646))
- InvariantResult [Line: 578]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 624]: Loop Invariant
Derived loop invariant: ((0 <= counter) && (counter <= 2147483646))
- InvariantResult [Line: 606]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 634]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 593]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 629]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + counter))
- InvariantResult [Line: 580]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 591]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 604]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 613]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-11-26 12:00:05,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae983016-e54a-41fe-8bfa-f91d0ba28bb3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE