./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
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_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX --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 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:09:45,747 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:09:45,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 19:09:45,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:09:45,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:09:45,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:09:45,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:09:45,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:09:45,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:09:45,898 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:09:45,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:09:45,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:09:45,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:09:45,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:09:45,900 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:09:45,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:09:45,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:09:45,902 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:09:45,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:09:45,903 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:09:45,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:09:45,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:09:45,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:09:45,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:09:45,905 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:09:45,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:09:45,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 19:09:45,906 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:09:45,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:09:45,907 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:09:45,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:09:45,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:09:45,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:09:45,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:09:45,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:09:45,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:09:45,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:09:45,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:09:45,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:09:45,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:09:45,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:09:45,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:09:45,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:09:45,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:09:45,914 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_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a
[2024-11-08 19:09:46,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:09:46,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:09:46,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:09:46,214 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:09:46,214 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:09:46,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c
Unable to find full path for "g++"
[2024-11-08 19:09:48,208 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:09:48,385 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:09:48,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c
[2024-11-08 19:09:48,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/743daa110/58e987d5ce1b48a88142a683f5754c36/FLAG8e3ddfd4c
[2024-11-08 19:09:48,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/743daa110/58e987d5ce1b48a88142a683f5754c36
[2024-11-08 19:09:48,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:09:48,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:09:48,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:09:48,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:09:48,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:09:48,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f0395c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48, skipping insertion in model container
[2024-11-08 19:09:48,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,440 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:09:48,644 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:09:48,654 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:09:48,676 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:09:48,694 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:09:48,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48 WrapperNode
[2024-11-08 19:09:48,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:09:48,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:09:48,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:09:48,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:09:48,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,734 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152
[2024-11-08 19:09:48,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:09:48,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:09:48,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:09:48,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:09:48,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,762 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 19:09:48,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:09:48,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:09:48,776 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:09:48,776 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:09:48,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (1/1) ...
[2024-11-08 19:09:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:09:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:48,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:09:48,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:09:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:09:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 19:09:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 19:09:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:09:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:09:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:09:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 19:09:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 19:09:48,933 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:09:48,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:09:49,664 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live.
[2024-11-08 19:09:49,664 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:09:49,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:09:49,690 INFO L316 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-08 19:09:49,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:09:49 BoogieIcfgContainer
[2024-11-08 19:09:49,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:09:49,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:09:49,695 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:09:49,699 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:09:49,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:09:48" (1/3) ...
[2024-11-08 19:09:49,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc896a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:09:49, skipping insertion in model container
[2024-11-08 19:09:49,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:09:48" (2/3) ...
[2024-11-08 19:09:49,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc896a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:09:49, skipping insertion in model container
[2024-11-08 19:09:49,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:09:49" (3/3) ...
[2024-11-08 19:09:49,706 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound20.c
[2024-11-08 19:09:49,723 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:09:49,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations.
[2024-11-08 19:09:49,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:09:49,813 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@105d6a74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:09:49,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations.
[2024-11-08 19:09:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-08 19:09:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 19:09:49,827 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:49,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:49,829 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:49,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash -36063535, now seen corresponding path program 1 times
[2024-11-08 19:09:49,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:49,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282667504]
[2024-11-08 19:09:49,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:49,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 19:09:50,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:50,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282667504]
[2024-11-08 19:09:50,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282667504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:50,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:50,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:50,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488198938]
[2024-11-08 19:09:50,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:50,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 19:09:50,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:50,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 19:09:50,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:09:50,069 INFO L87 Difference]: Start difference. First operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:50,108 INFO L93 Difference]: Finished difference Result 416 states and 465 transitions.
[2024-11-08 19:09:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 19:09:50,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2024-11-08 19:09:50,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:50,120 INFO L225 Difference]: With dead ends: 416
[2024-11-08 19:09:50,120 INFO L226 Difference]: Without dead ends: 198
[2024-11-08 19:09:50,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:09:50,127 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:50,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:09:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2024-11-08 19:09:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198.
[2024-11-08 19:09:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 107 states have (on average 1.7850467289719627) internal successors, (191), 188 states have internal predecessors, (191), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 205 transitions.
[2024-11-08 19:09:50,181 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 205 transitions. Word has length 14
[2024-11-08 19:09:50,181 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:50,181 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 205 transitions.
[2024-11-08 19:09:50,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions.
[2024-11-08 19:09:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 19:09:50,183 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:50,184 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:50,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:09:50,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:50,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash -429030963, now seen corresponding path program 1 times
[2024-11-08 19:09:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962988021]
[2024-11-08 19:09:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:50,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 19:09:50,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:50,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962988021]
[2024-11-08 19:09:50,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962988021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:50,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:50,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:50,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456265384]
[2024-11-08 19:09:50,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:50,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:09:50,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:09:50,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:50,294 INFO L87 Difference]: Start difference. First operand 198 states and 205 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:50,386 INFO L93 Difference]: Finished difference Result 198 states and 205 transitions.
[2024-11-08 19:09:50,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:09:50,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2024-11-08 19:09:50,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:50,396 INFO L225 Difference]: With dead ends: 198
[2024-11-08 19:09:50,396 INFO L226 Difference]: Without dead ends: 194
[2024-11-08 19:09:50,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:50,401 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:50,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 353 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2024-11-08 19:09:50,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194.
[2024-11-08 19:09:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 107 states have (on average 1.7476635514018692) internal successors, (187), 184 states have internal predecessors, (187), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 201 transitions.
[2024-11-08 19:09:50,422 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 201 transitions. Word has length 14
[2024-11-08 19:09:50,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:50,423 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 201 transitions.
[2024-11-08 19:09:50,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,424 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 201 transitions.
[2024-11-08 19:09:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-08 19:09:50,424 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:50,425 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:50,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:09:50,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:50,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash -415057926, now seen corresponding path program 1 times
[2024-11-08 19:09:50,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:50,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779118615]
[2024-11-08 19:09:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:50,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 19:09:50,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:50,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779118615]
[2024-11-08 19:09:50,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779118615] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:50,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:50,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:50,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953579883]
[2024-11-08 19:09:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:50,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:09:50,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:50,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:09:50,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:50,527 INFO L87 Difference]: Start difference. First operand 194 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:50,582 INFO L93 Difference]: Finished difference Result 194 states and 201 transitions.
[2024-11-08 19:09:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:09:50,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15
[2024-11-08 19:09:50,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:50,585 INFO L225 Difference]: With dead ends: 194
[2024-11-08 19:09:50,585 INFO L226 Difference]: Without dead ends: 190
[2024-11-08 19:09:50,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:50,587 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 12 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:50,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 353 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:09:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-11-08 19:09:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190.
[2024-11-08 19:09:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 180 states have internal predecessors, (183), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions.
[2024-11-08 19:09:50,601 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 15
[2024-11-08 19:09:50,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:50,601 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions.
[2024-11-08 19:09:50,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:09:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions.
[2024-11-08 19:09:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-08 19:09:50,603 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:50,603 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:50,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:09:50,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:50,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1763347138, now seen corresponding path program 1 times
[2024-11-08 19:09:50,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:50,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394448606]
[2024-11-08 19:09:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:09:50,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035194131]
[2024-11-08 19:09:50,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:50,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:50,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:50,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:50,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:09:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:50,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:50,718 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:09:50,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:09:50,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:50,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394448606]
[2024-11-08 19:09:50,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:09:50,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035194131]
[2024-11-08 19:09:50,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035194131] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:50,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:50,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:09:50,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120064280]
[2024-11-08 19:09:50,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:50,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:09:50,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:50,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:09:50,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:09:50,808 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 19:09:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:50,922 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions.
[2024-11-08 19:09:50,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:09:50,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2024-11-08 19:09:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:50,924 INFO L225 Difference]: With dead ends: 190
[2024-11-08 19:09:50,925 INFO L226 Difference]: Without dead ends: 188
[2024-11-08 19:09:50,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:09:50,926 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 8 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:50,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 683 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2024-11-08 19:09:50,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188.
[2024-11-08 19:09:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 107 states have (on average 1.691588785046729) internal successors, (181), 178 states have internal predecessors, (181), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions.
[2024-11-08 19:09:50,937 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 19
[2024-11-08 19:09:50,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:50,938 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions.
[2024-11-08 19:09:50,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 19:09:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions.
[2024-11-08 19:09:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-08 19:09:50,939 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:50,939 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:50,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 19:09:51,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:51,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:51,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:51,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1666769321, now seen corresponding path program 1 times
[2024-11-08 19:09:51,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:51,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69792646]
[2024-11-08 19:09:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:09:51,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581264205]
[2024-11-08 19:09:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:51,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:51,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:51,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:51,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 19:09:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:51,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:51,273 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:51,457 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:09:51,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:51,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69792646]
[2024-11-08 19:09:51,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:09:51,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581264205]
[2024-11-08 19:09:51,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581264205] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:09:51,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:09:51,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4
[2024-11-08 19:09:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653329993]
[2024-11-08 19:09:51,533 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:09:51,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:09:51,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:51,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:09:51,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:09:51,535 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 19:09:51,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:51,665 INFO L93 Difference]: Finished difference Result 188 states and 195 transitions.
[2024-11-08 19:09:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:09:51,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36
[2024-11-08 19:09:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:51,668 INFO L225 Difference]: With dead ends: 188
[2024-11-08 19:09:51,668 INFO L226 Difference]: Without dead ends: 185
[2024-11-08 19:09:51,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:09:51,669 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 144 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:51,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 476 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states.
[2024-11-08 19:09:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185.
[2024-11-08 19:09:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 107 states have (on average 1.6635514018691588) internal successors, (178), 175 states have internal predecessors, (178), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 192 transitions.
[2024-11-08 19:09:51,683 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 192 transitions. Word has length 36
[2024-11-08 19:09:51,683 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:51,683 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 192 transitions.
[2024-11-08 19:09:51,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 19:09:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 192 transitions.
[2024-11-08 19:09:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-08 19:09:51,685 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:51,685 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:51,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 19:09:51,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:51,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:51,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:51,886 INFO L85 PathProgramCache]: Analyzing trace with hash -130241334, now seen corresponding path program 1 times
[2024-11-08 19:09:51,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:51,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249464594]
[2024-11-08 19:09:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:09:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:09:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:52,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249464594]
[2024-11-08 19:09:52,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249464594] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:09:52,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089175590]
[2024-11-08 19:09:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:52,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:52,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:52,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:52,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 19:09:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:52,276 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:52,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:09:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089175590] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:52,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:09:52,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 19:09:52,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269650346]
[2024-11-08 19:09:52,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:52,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:09:52,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:52,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:09:52,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:09:52,407 INFO L87 Difference]: Start difference. First operand 185 states and 192 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:52,681 INFO L93 Difference]: Finished difference Result 185 states and 192 transitions.
[2024-11-08 19:09:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:09:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37
[2024-11-08 19:09:52,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:52,684 INFO L225 Difference]: With dead ends: 185
[2024-11-08 19:09:52,684 INFO L226 Difference]: Without dead ends: 184
[2024-11-08 19:09:52,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:09:52,685 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 143 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:52,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 611 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 19:09:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-08 19:09:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184.
[2024-11-08 19:09:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 107 states have (on average 1.6542056074766356) internal successors, (177), 174 states have internal predecessors, (177), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 191 transitions.
[2024-11-08 19:09:52,697 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 191 transitions. Word has length 37
[2024-11-08 19:09:52,697 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:52,698 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 191 transitions.
[2024-11-08 19:09:52,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 191 transitions.
[2024-11-08 19:09:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-08 19:09:52,699 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:52,699 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:52,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 19:09:52,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:52,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:52,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:52,900 INFO L85 PathProgramCache]: Analyzing trace with hash -607868052, now seen corresponding path program 1 times
[2024-11-08 19:09:52,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:52,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128212632]
[2024-11-08 19:09:52,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:52,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:09:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:09:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 19:09:52,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:52,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128212632]
[2024-11-08 19:09:52,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128212632] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:52,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:52,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:52,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654623899]
[2024-11-08 19:09:52,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:52,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:09:52,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:09:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:52,999 INFO L87 Difference]: Start difference. First operand 184 states and 191 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:53,076 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions.
[2024-11-08 19:09:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:09:53,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39
[2024-11-08 19:09:53,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:53,077 INFO L225 Difference]: With dead ends: 190
[2024-11-08 19:09:53,077 INFO L226 Difference]: Without dead ends: 187
[2024-11-08 19:09:53,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:53,079 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 99 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:53,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 221 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2024-11-08 19:09:53,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2024-11-08 19:09:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 111 states have (on average 1.6216216216216217) internal successors, (180), 177 states have internal predecessors, (180), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions.
[2024-11-08 19:09:53,090 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 39
[2024-11-08 19:09:53,090 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:53,091 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions.
[2024-11-08 19:09:53,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions.
[2024-11-08 19:09:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-08 19:09:53,092 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:53,092 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:53,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 19:09:53,092 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:53,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:53,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1664040351, now seen corresponding path program 1 times
[2024-11-08 19:09:53,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:53,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801685878]
[2024-11-08 19:09:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:53,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:09:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:09:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 19:09:53,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:53,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801685878]
[2024-11-08 19:09:53,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801685878] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:53,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:53,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:09:53,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3692626]
[2024-11-08 19:09:53,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:53,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:09:53,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:53,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:09:53,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:09:53,184 INFO L87 Difference]: Start difference. First operand 187 states and 194 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:53,332 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions.
[2024-11-08 19:09:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:09:53,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40
[2024-11-08 19:09:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:53,333 INFO L225 Difference]: With dead ends: 191
[2024-11-08 19:09:53,334 INFO L226 Difference]: Without dead ends: 188
[2024-11-08 19:09:53,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:09:53,334 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:53,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 335 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2024-11-08 19:09:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188.
[2024-11-08 19:09:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 113 states have (on average 1.6017699115044248) internal successors, (181), 178 states have internal predecessors, (181), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:09:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions.
[2024-11-08 19:09:53,347 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 40
[2024-11-08 19:09:53,347 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:53,347 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions.
[2024-11-08 19:09:53,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions.
[2024-11-08 19:09:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-11-08 19:09:53,348 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:53,348 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:53,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 19:09:53,353 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:53,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:53,353 INFO L85 PathProgramCache]: Analyzing trace with hash -45643250, now seen corresponding path program 1 times
[2024-11-08 19:09:53,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:53,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258721105]
[2024-11-08 19:09:53,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:09:53,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046429560]
[2024-11-08 19:09:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:53,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:53,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:53,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:53,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 19:09:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:53,447 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 19:09:53,486 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:09:53,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:53,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258721105]
[2024-11-08 19:09:53,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:09:53,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046429560]
[2024-11-08 19:09:53,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046429560] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:53,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:53,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:53,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646501077]
[2024-11-08 19:09:53,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:53,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:09:53,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:53,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:09:53,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:53,488 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:53,630 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions.
[2024-11-08 19:09:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:09:53,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41
[2024-11-08 19:09:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:53,632 INFO L225 Difference]: With dead ends: 294
[2024-11-08 19:09:53,632 INFO L226 Difference]: Without dead ends: 291
[2024-11-08 19:09:53,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:53,633 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 97 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:53,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 308 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:09:53,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states.
[2024-11-08 19:09:53,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 251.
[2024-11-08 19:09:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 173 states have (on average 1.6358381502890174) internal successors, (283), 238 states have internal predecessors, (283), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-08 19:09:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 303 transitions.
[2024-11-08 19:09:53,650 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 303 transitions. Word has length 41
[2024-11-08 19:09:53,651 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:53,651 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 303 transitions.
[2024-11-08 19:09:53,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 303 transitions.
[2024-11-08 19:09:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-08 19:09:53,652 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:53,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:53,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-08 19:09:53,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:53,853 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:53,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:53,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1414940669, now seen corresponding path program 1 times
[2024-11-08 19:09:53,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:53,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529156467]
[2024-11-08 19:09:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:53,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:09:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:09:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529156467]
[2024-11-08 19:09:54,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529156467] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:09:54,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209308946]
[2024-11-08 19:09:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:54,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:54,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:54,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:54,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 19:09:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:54,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:54,088 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:54,338 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:09:54,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209308946] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:09:54,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:09:54,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2024-11-08 19:09:54,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907557095]
[2024-11-08 19:09:54,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:09:54,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 19:09:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 19:09:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:09:54,675 INFO L87 Difference]: Start difference. First operand 251 states and 303 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-11-08 19:09:56,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:09:57,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:57,029 INFO L93 Difference]: Finished difference Result 392 states and 423 transitions.
[2024-11-08 19:09:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 19:09:57,031 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 42
[2024-11-08 19:09:57,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:57,033 INFO L225 Difference]: With dead ends: 392
[2024-11-08 19:09:57,033 INFO L226 Difference]: Without dead ends: 389
[2024-11-08 19:09:57,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306
[2024-11-08 19:09:57,035 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 508 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:57,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1118 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-08 19:09:57,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states.
[2024-11-08 19:09:57,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 295.
[2024-11-08 19:09:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.6325581395348838) internal successors, (351), 280 states have internal predecessors, (351), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 19:09:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 375 transitions.
[2024-11-08 19:09:57,056 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 375 transitions. Word has length 42
[2024-11-08 19:09:57,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:57,056 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 375 transitions.
[2024-11-08 19:09:57,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-11-08 19:09:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 375 transitions.
[2024-11-08 19:09:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-08 19:09:57,058 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:57,058 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:57,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 19:09:57,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-08 19:09:57,260 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:57,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1746652581, now seen corresponding path program 1 times
[2024-11-08 19:09:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42202402]
[2024-11-08 19:09:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:09:57,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1082847280]
[2024-11-08 19:09:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:57,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:57,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:57,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 19:09:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:57,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:57,339 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:57,577 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:09:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:09:57,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:57,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42202402]
[2024-11-08 19:09:57,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:09:57,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082847280]
[2024-11-08 19:09:57,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082847280] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:09:57,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:09:57,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-08 19:09:57,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69214070]
[2024-11-08 19:09:57,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:09:57,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 19:09:57,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:57,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 19:09:57,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-08 19:09:57,747 INFO L87 Difference]: Start difference. First operand 295 states and 375 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:09:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:58,608 INFO L93 Difference]: Finished difference Result 429 states and 547 transitions.
[2024-11-08 19:09:58,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 19:09:58,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44
[2024-11-08 19:09:58,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:58,611 INFO L225 Difference]: With dead ends: 429
[2024-11-08 19:09:58,611 INFO L226 Difference]: Without dead ends: 402
[2024-11-08 19:09:58,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-11-08 19:09:58,612 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 314 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:58,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 518 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 19:09:58,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states.
[2024-11-08 19:09:58,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 376.
[2024-11-08 19:09:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 310 states have (on average 1.4387096774193548) internal successors, (446), 358 states have internal predecessors, (446), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-08 19:09:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 476 transitions.
[2024-11-08 19:09:58,637 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 476 transitions. Word has length 44
[2024-11-08 19:09:58,637 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:58,637 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 476 transitions.
[2024-11-08 19:09:58,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:09:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 476 transitions.
[2024-11-08 19:09:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-08 19:09:58,638 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:58,638 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:09:58,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 19:09:58,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:58,842 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:58,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash -799079609, now seen corresponding path program 1 times
[2024-11-08 19:09:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:58,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524586455]
[2024-11-08 19:09:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:09:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705952422]
[2024-11-08 19:09:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:58,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:09:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:09:58,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:09:58,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 19:09:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:58,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 19:09:58,909 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:09:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 19:09:58,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:09:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524586455]
[2024-11-08 19:09:58,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:09:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705952422]
[2024-11-08 19:09:58,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705952422] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:58,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:58,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:09:58,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576931598]
[2024-11-08 19:09:58,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:58,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:09:58,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:58,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:09:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:58,945 INFO L87 Difference]: Start difference. First operand 376 states and 476 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:59,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:59,203 INFO L93 Difference]: Finished difference Result 577 states and 730 transitions.
[2024-11-08 19:09:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:09:59,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46
[2024-11-08 19:09:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:59,206 INFO L225 Difference]: With dead ends: 577
[2024-11-08 19:09:59,206 INFO L226 Difference]: Without dead ends: 536
[2024-11-08 19:09:59,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:09:59,207 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 88 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:59,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 209 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 19:09:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states.
[2024-11-08 19:09:59,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 524.
[2024-11-08 19:09:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 453 states have (on average 1.346578366445916) internal successors, (610), 501 states have internal predecessors, (610), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 19:09:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 650 transitions.
[2024-11-08 19:09:59,240 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 650 transitions. Word has length 46
[2024-11-08 19:09:59,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:59,240 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 650 transitions.
[2024-11-08 19:09:59,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 19:09:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 650 transitions.
[2024-11-08 19:09:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2024-11-08 19:09:59,241 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:59,242 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-08 19:09:59,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 19:09:59,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-08 19:09:59,443 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:59,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash -383022019, now seen corresponding path program 1 times
[2024-11-08 19:09:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757972576]
[2024-11-08 19:09:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:09:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:09:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:09:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:09:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:09:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:09:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:09:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:09:59,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:09:59,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757972576]
[2024-11-08 19:09:59,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757972576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:09:59,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:09:59,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:09:59,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121066085]
[2024-11-08 19:09:59,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:09:59,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:09:59,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:09:59,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:09:59,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:09:59,618 INFO L87 Difference]: Start difference. First operand 524 states and 650 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:09:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:09:59,927 INFO L93 Difference]: Finished difference Result 537 states and 651 transitions.
[2024-11-08 19:09:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:09:59,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88
[2024-11-08 19:09:59,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:09:59,930 INFO L225 Difference]: With dead ends: 537
[2024-11-08 19:09:59,931 INFO L226 Difference]: Without dead ends: 536
[2024-11-08 19:09:59,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:09:59,932 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 57 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:09:59,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 238 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 19:09:59,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states.
[2024-11-08 19:09:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 524.
[2024-11-08 19:09:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 453 states have (on average 1.3421633554083885) internal successors, (608), 501 states have internal predecessors, (608), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 19:09:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 648 transitions.
[2024-11-08 19:09:59,970 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 648 transitions. Word has length 88
[2024-11-08 19:09:59,971 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:09:59,971 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 648 transitions.
[2024-11-08 19:09:59,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:09:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 648 transitions.
[2024-11-08 19:09:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2024-11-08 19:09:59,978 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:09:59,978 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-08 19:09:59,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 19:09:59,978 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:09:59,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:09:59,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1011219468, now seen corresponding path program 1 times
[2024-11-08 19:09:59,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:09:59,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502393709]
[2024-11-08 19:09:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:09:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:09:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:10:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:10:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:10:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:10:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:10:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:10:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:00,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:10:00,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502393709]
[2024-11-08 19:10:00,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502393709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:10:00,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:10:00,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:10:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587420877]
[2024-11-08 19:10:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:10:00,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:10:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:10:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:10:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:10:00,155 INFO L87 Difference]: Start difference. First operand 524 states and 648 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:10:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:10:00,653 INFO L93 Difference]: Finished difference Result 534 states and 654 transitions.
[2024-11-08 19:10:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:10:00,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89
[2024-11-08 19:10:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:10:00,656 INFO L225 Difference]: With dead ends: 534
[2024-11-08 19:10:00,656 INFO L226 Difference]: Without dead ends: 533
[2024-11-08 19:10:00,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:10:00,657 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 252 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:10:00,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 229 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 19:10:00,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states.
[2024-11-08 19:10:00,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 524.
[2024-11-08 19:10:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 453 states have (on average 1.3377483443708609) internal successors, (606), 501 states have internal predecessors, (606), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 19:10:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 646 transitions.
[2024-11-08 19:10:00,717 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 646 transitions. Word has length 89
[2024-11-08 19:10:00,717 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:10:00,717 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 646 transitions.
[2024-11-08 19:10:00,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:10:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 646 transitions.
[2024-11-08 19:10:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-11-08 19:10:00,720 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:10:00,721 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-08 19:10:00,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-08 19:10:00,721 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:10:00,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:10:00,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1910598224, now seen corresponding path program 1 times
[2024-11-08 19:10:00,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:10:00,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952677374]
[2024-11-08 19:10:00,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:10:00,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:10:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:10:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:10:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:10:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:10:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:10:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:10:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:00,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:10:00,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952677374]
[2024-11-08 19:10:00,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952677374] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:10:00,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763342782]
[2024-11-08 19:10:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:10:00,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:10:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:10:00,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:10:00,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 19:10:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:01,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:10:01,053 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:10:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:01,359 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:10:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:01,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763342782] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:10:01,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:10:01,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13
[2024-11-08 19:10:01,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979828099]
[2024-11-08 19:10:01,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:10:01,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 19:10:01,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:10:01,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 19:10:01,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182
[2024-11-08 19:10:01,570 INFO L87 Difference]: Start difference. First operand 524 states and 646 transitions. Second operand has 14 states, 13 states have (on average 14.0) internal successors, (182), 14 states have internal predecessors, (182), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-08 19:10:02,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:10:02,879 INFO L93 Difference]: Finished difference Result 1138 states and 1404 transitions.
[2024-11-08 19:10:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-08 19:10:02,880 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.0) internal successors, (182), 14 states have internal predecessors, (182), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 93
[2024-11-08 19:10:02,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:10:02,885 INFO L225 Difference]: With dead ends: 1138
[2024-11-08 19:10:02,885 INFO L226 Difference]: Without dead ends: 639
[2024-11-08 19:10:02,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600
[2024-11-08 19:10:02,890 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 928 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:10:02,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 430 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 19:10:02,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states.
[2024-11-08 19:10:02,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 601.
[2024-11-08 19:10:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 528 states have (on average 1.3181818181818181) internal successors, (696), 574 states have internal predecessors, (696), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-08 19:10:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 744 transitions.
[2024-11-08 19:10:02,930 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 744 transitions. Word has length 93
[2024-11-08 19:10:02,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:10:02,931 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 744 transitions.
[2024-11-08 19:10:02,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.0) internal successors, (182), 14 states have internal predecessors, (182), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-08 19:10:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 744 transitions.
[2024-11-08 19:10:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-11-08 19:10:02,932 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:10:02,932 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:10:02,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-08 19:10:03,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-08 19:10:03,133 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:10:03,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:10:03,134 INFO L85 PathProgramCache]: Analyzing trace with hash -900997073, now seen corresponding path program 1 times
[2024-11-08 19:10:03,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:10:03,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312543739]
[2024-11-08 19:10:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:10:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:10:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:10:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:10:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:10:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:10:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:10:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:10:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:03,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:10:03,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312543739]
[2024-11-08 19:10:03,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312543739] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:10:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812895976]
[2024-11-08 19:10:03,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:10:03,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:10:03,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:10:03,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:10:03,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 19:10:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:03,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:10:03,342 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:10:20,181 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_46| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_46| |v_ULTIMATE.start_main_~R~0#1_46|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true
[2024-11-08 19:10:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 3 not checked.
[2024-11-08 19:10:20,219 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:10:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:10:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812895976] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:10:20,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:10:20,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13
[2024-11-08 19:10:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418416674]
[2024-11-08 19:10:20,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:10:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 19:10:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:10:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 19:10:20,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182
[2024-11-08 19:10:20,447 INFO L87 Difference]: Start difference. First operand 601 states and 744 transitions. Second operand has 14 states, 13 states have (on average 13.384615384615385) internal successors, (174), 14 states have internal predecessors, (174), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 19:10:30,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:32,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:34,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:35,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:41,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:45,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:49,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:53,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:10:57,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:01,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:05,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:06,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:10,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:14,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:18,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:22,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:24,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:25,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:29,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:31,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:35,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:36,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:40,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:44,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:46,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:48,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:52,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:54,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:11:56,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:00,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:04,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:08,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:12,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:16,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:17,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:19,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:20,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:24,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:28,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:30,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:31,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:35,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:37,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:41,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:45,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:49,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:53,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:54,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:12:58,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:00,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:02,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:04,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:08,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:12,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:16,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:20,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:22,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:24,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:28,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:32,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:36,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:40,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:42,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-08 19:13:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:42,554 INFO L93 Difference]: Finished difference Result 746 states and 918 transitions.
[2024-11-08 19:13:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-08 19:13:42,558 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.384615384615385) internal successors, (174), 14 states have internal predecessors, (174), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 94
[2024-11-08 19:13:42,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:42,568 INFO L225 Difference]: With dead ends: 746
[2024-11-08 19:13:42,568 INFO L226 Difference]: Without dead ends: 738
[2024-11-08 19:13:42,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=132, Invalid=284, Unknown=8, NotChecked=38, Total=462
[2024-11-08 19:13:42,570 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 671 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 50 mSolverCounterUnsat, 62 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 62 IncrementalHoareTripleChecker+Unknown, 383 IncrementalHoareTripleChecker+Unchecked, 194.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:42,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 366 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 860 Invalid, 62 Unknown, 383 Unchecked, 194.5s Time]
[2024-11-08 19:13:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states.
[2024-11-08 19:13:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 696.
[2024-11-08 19:13:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 624 states have (on average 1.3012820512820513) internal successors, (812), 664 states have internal predecessors, (812), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-08 19:13:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 870 transitions.
[2024-11-08 19:13:42,676 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 870 transitions. Word has length 94
[2024-11-08 19:13:42,676 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:42,676 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 870 transitions.
[2024-11-08 19:13:42,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.384615384615385) internal successors, (174), 14 states have internal predecessors, (174), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 19:13:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 870 transitions.
[2024-11-08 19:13:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-08 19:13:42,678 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:42,679 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:42,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-08 19:13:42,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-08 19:13:42,879 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:42,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1279364779, now seen corresponding path program 1 times
[2024-11-08 19:13:42,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:42,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388207809]
[2024-11-08 19:13:42,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:13:42,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832706927]
[2024-11-08 19:13:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:42,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:42,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:42,906 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:42,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 19:13:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:42,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:42,977 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:13:43,082 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:13:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 19:13:43,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:43,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388207809]
[2024-11-08 19:13:43,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:13:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832706927]
[2024-11-08 19:13:43,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832706927] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:13:43,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:13:43,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5
[2024-11-08 19:13:43,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163929530]
[2024-11-08 19:13:43,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:13:43,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:13:43,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:43,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:13:43,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:13:43,303 INFO L87 Difference]: Start difference. First operand 696 states and 870 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-08 19:13:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:44,037 INFO L93 Difference]: Finished difference Result 1291 states and 1670 transitions.
[2024-11-08 19:13:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:13:44,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 100
[2024-11-08 19:13:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:44,043 INFO L225 Difference]: With dead ends: 1291
[2024-11-08 19:13:44,043 INFO L226 Difference]: Without dead ends: 1255
[2024-11-08 19:13:44,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2024-11-08 19:13:44,044 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 347 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:44,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 431 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 19:13:44,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2024-11-08 19:13:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1188.
[2024-11-08 19:13:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1111 states have (on average 1.1809180918091808) internal successors, (1312), 1135 states have internal predecessors, (1312), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1412 transitions.
[2024-11-08 19:13:44,133 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1412 transitions. Word has length 100
[2024-11-08 19:13:44,134 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:44,134 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1412 transitions.
[2024-11-08 19:13:44,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-08 19:13:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1412 transitions.
[2024-11-08 19:13:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-08 19:13:44,135 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:44,135 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:44,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-08 19:13:44,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-08 19:13:44,336 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:44,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash 670541997, now seen corresponding path program 1 times
[2024-11-08 19:13:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:44,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689123412]
[2024-11-08 19:13:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:44,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:44,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689123412]
[2024-11-08 19:13:44,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689123412] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:13:44,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:13:44,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:13:44,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277386092]
[2024-11-08 19:13:44,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:13:44,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:13:44,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:44,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:13:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:13:44,485 INFO L87 Difference]: Start difference. First operand 1188 states and 1412 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-08 19:13:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:44,847 INFO L93 Difference]: Finished difference Result 1202 states and 1426 transitions.
[2024-11-08 19:13:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:13:44,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 113
[2024-11-08 19:13:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:44,852 INFO L225 Difference]: With dead ends: 1202
[2024-11-08 19:13:44,853 INFO L226 Difference]: Without dead ends: 1201
[2024-11-08 19:13:44,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-08 19:13:44,854 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 202 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:44,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 181 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 19:13:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states.
[2024-11-08 19:13:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1187.
[2024-11-08 19:13:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1111 states have (on average 1.1755175517551755) internal successors, (1306), 1134 states have internal predecessors, (1306), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1406 transitions.
[2024-11-08 19:13:44,948 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1406 transitions. Word has length 113
[2024-11-08 19:13:44,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:44,949 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1406 transitions.
[2024-11-08 19:13:44,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-08 19:13:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1406 transitions.
[2024-11-08 19:13:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-08 19:13:44,951 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:44,951 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:44,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-08 19:13:44,952 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:44,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:44,952 INFO L85 PathProgramCache]: Analyzing trace with hash -688034344, now seen corresponding path program 1 times
[2024-11-08 19:13:44,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:44,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869016646]
[2024-11-08 19:13:44,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:44,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:45,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:45,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869016646]
[2024-11-08 19:13:45,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869016646] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:13:45,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:13:45,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:13:45,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016918408]
[2024-11-08 19:13:45,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:13:45,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:13:45,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:45,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:13:45,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:13:45,059 INFO L87 Difference]: Start difference. First operand 1187 states and 1406 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:13:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:45,451 INFO L93 Difference]: Finished difference Result 1280 states and 1530 transitions.
[2024-11-08 19:13:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:13:45,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 114
[2024-11-08 19:13:45,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:45,456 INFO L225 Difference]: With dead ends: 1280
[2024-11-08 19:13:45,456 INFO L226 Difference]: Without dead ends: 1279
[2024-11-08 19:13:45,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:13:45,457 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 126 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:45,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 207 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 19:13:45,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states.
[2024-11-08 19:13:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1186.
[2024-11-08 19:13:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1111 states have (on average 1.17011701170117) internal successors, (1300), 1133 states have internal predecessors, (1300), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1400 transitions.
[2024-11-08 19:13:45,543 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1400 transitions. Word has length 114
[2024-11-08 19:13:45,543 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:45,543 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1400 transitions.
[2024-11-08 19:13:45,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:13:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1400 transitions.
[2024-11-08 19:13:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-11-08 19:13:45,545 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:45,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:45,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-08 19:13:45,546 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:45,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1243276459, now seen corresponding path program 1 times
[2024-11-08 19:13:45,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:45,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317022474]
[2024-11-08 19:13:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:45,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 19:13:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2024-11-08 19:13:45,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:45,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317022474]
[2024-11-08 19:13:45,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317022474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:13:45,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:13:45,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:13:45,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973367958]
[2024-11-08 19:13:45,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:13:45,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:13:45,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:45,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:13:45,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:13:45,634 INFO L87 Difference]: Start difference. First operand 1186 states and 1400 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-08 19:13:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:45,919 INFO L93 Difference]: Finished difference Result 1205 states and 1418 transitions.
[2024-11-08 19:13:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:13:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 117
[2024-11-08 19:13:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:45,924 INFO L225 Difference]: With dead ends: 1205
[2024-11-08 19:13:45,925 INFO L226 Difference]: Without dead ends: 1204
[2024-11-08 19:13:45,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:13:45,926 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 94 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:45,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 181 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 19:13:45,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states.
[2024-11-08 19:13:46,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1185.
[2024-11-08 19:13:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1111 states have (on average 1.1629162916291629) internal successors, (1292), 1132 states have internal predecessors, (1292), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1392 transitions.
[2024-11-08 19:13:46,016 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1392 transitions. Word has length 117
[2024-11-08 19:13:46,016 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:46,016 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1392 transitions.
[2024-11-08 19:13:46,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-08 19:13:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1392 transitions.
[2024-11-08 19:13:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-08 19:13:46,018 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:46,018 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:46,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-08 19:13:46,019 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:46,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:46,019 INFO L85 PathProgramCache]: Analyzing trace with hash 483345692, now seen corresponding path program 1 times
[2024-11-08 19:13:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:46,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229799492]
[2024-11-08 19:13:46,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:46,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:46,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:46,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229799492]
[2024-11-08 19:13:46,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229799492] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:46,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104953770]
[2024-11-08 19:13:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:46,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:46,167 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:46,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-08 19:13:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:46,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:46,238 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:46,639 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:13:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:46,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104953770] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:13:46,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:13:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12
[2024-11-08 19:13:46,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204437288]
[2024-11-08 19:13:46,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:13:46,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-08 19:13:46,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:46,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-08 19:13:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-08 19:13:46,872 INFO L87 Difference]: Start difference. First operand 1185 states and 1392 transitions. Second operand has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19)
[2024-11-08 19:13:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:47,371 INFO L93 Difference]: Finished difference Result 1194 states and 1400 transitions.
[2024-11-08 19:13:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 19:13:47,372 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 118
[2024-11-08 19:13:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:47,377 INFO L225 Difference]: With dead ends: 1194
[2024-11-08 19:13:47,378 INFO L226 Difference]: Without dead ends: 1192
[2024-11-08 19:13:47,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:13:47,380 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 125 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:47,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 204 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 19:13:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states.
[2024-11-08 19:13:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1184.
[2024-11-08 19:13:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1111 states have (on average 1.153015301530153) internal successors, (1281), 1131 states have internal predecessors, (1281), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1381 transitions.
[2024-11-08 19:13:47,493 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1381 transitions. Word has length 118
[2024-11-08 19:13:47,494 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:47,494 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1381 transitions.
[2024-11-08 19:13:47,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19)
[2024-11-08 19:13:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1381 transitions.
[2024-11-08 19:13:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-08 19:13:47,495 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:47,496 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:47,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-08 19:13:47,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-11-08 19:13:47,697 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:47,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash -113135266, now seen corresponding path program 1 times
[2024-11-08 19:13:47,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:47,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094367796]
[2024-11-08 19:13:47,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:47,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 19:13:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:47,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:47,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094367796]
[2024-11-08 19:13:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094367796] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915084515]
[2024-11-08 19:13:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:47,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:47,885 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:47,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-08 19:13:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:47,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:47,953 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:48,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:13:48,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915084515] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:13:48,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:13:48,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10
[2024-11-08 19:13:48,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978993041]
[2024-11-08 19:13:48,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:13:48,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:13:48,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:48,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:13:48,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-11-08 19:13:48,312 INFO L87 Difference]: Start difference. First operand 1184 states and 1381 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:13:48,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:48,882 INFO L93 Difference]: Finished difference Result 1255 states and 1467 transitions.
[2024-11-08 19:13:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 19:13:48,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 118
[2024-11-08 19:13:48,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:48,887 INFO L225 Difference]: With dead ends: 1255
[2024-11-08 19:13:48,888 INFO L226 Difference]: Without dead ends: 1254
[2024-11-08 19:13:48,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2024-11-08 19:13:48,889 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 119 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:48,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 222 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 19:13:48,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states.
[2024-11-08 19:13:48,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1183.
[2024-11-08 19:13:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1111 states have (on average 1.1458145814581457) internal successors, (1273), 1130 states have internal predecessors, (1273), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-08 19:13:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1373 transitions.
[2024-11-08 19:13:48,980 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1373 transitions. Word has length 118
[2024-11-08 19:13:48,980 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:48,981 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1373 transitions.
[2024-11-08 19:13:48,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:13:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1373 transitions.
[2024-11-08 19:13:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-08 19:13:48,982 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:48,982 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:49,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-08 19:13:49,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:49,183 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:49,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2098814751, now seen corresponding path program 1 times
[2024-11-08 19:13:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701605002]
[2024-11-08 19:13:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:49,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:49,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701605002]
[2024-11-08 19:13:49,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701605002] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:49,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930820720]
[2024-11-08 19:13:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:49,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:49,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:49,350 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:49,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-08 19:13:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:49,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:49,419 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:49,845 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:13:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:50,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930820720] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:13:50,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:13:50,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14
[2024-11-08 19:13:50,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054069405]
[2024-11-08 19:13:50,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:13:50,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 19:13:50,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:50,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 19:13:50,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210
[2024-11-08 19:13:50,124 INFO L87 Difference]: Start difference. First operand 1183 states and 1373 transitions. Second operand has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20)
[2024-11-08 19:13:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:50,946 INFO L93 Difference]: Finished difference Result 1245 states and 1437 transitions.
[2024-11-08 19:13:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 19:13:50,947 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 119
[2024-11-08 19:13:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:50,951 INFO L225 Difference]: With dead ends: 1245
[2024-11-08 19:13:50,951 INFO L226 Difference]: Without dead ends: 1241
[2024-11-08 19:13:50,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2024-11-08 19:13:50,953 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 340 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:50,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 332 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 19:13:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states.
[2024-11-08 19:13:51,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1111.
[2024-11-08 19:13:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1045 states have (on average 1.1282296650717702) internal successors, (1179), 1061 states have internal predecessors, (1179), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-08 19:13:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1273 transitions.
[2024-11-08 19:13:51,045 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1273 transitions. Word has length 119
[2024-11-08 19:13:51,046 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:51,046 INFO L471 AbstractCegarLoop]: Abstraction has 1111 states and 1273 transitions.
[2024-11-08 19:13:51,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20)
[2024-11-08 19:13:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1273 transitions.
[2024-11-08 19:13:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-08 19:13:51,048 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:51,048 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:51,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-11-08 19:13:51,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2024-11-08 19:13:51,249 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:51,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 638748030, now seen corresponding path program 1 times
[2024-11-08 19:13:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:51,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669093016]
[2024-11-08 19:13:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:51,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:13:51,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:51,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669093016]
[2024-11-08 19:13:51,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669093016] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:51,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743157934]
[2024-11-08 19:13:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:51,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:51,465 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-11-08 19:13:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:51,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:51,546 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:13:51,922 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:13:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:13:52,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743157934] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:13:52,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:13:52,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-11-08 19:13:52,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304158766]
[2024-11-08 19:13:52,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:13:52,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 19:13:52,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:52,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 19:13:52,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182
[2024-11-08 19:13:52,188 INFO L87 Difference]: Start difference. First operand 1111 states and 1273 transitions. Second operand has 14 states, 13 states have (on average 18.307692307692307) internal successors, (238), 14 states have internal predecessors, (238), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16)
[2024-11-08 19:13:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:53,055 INFO L93 Difference]: Finished difference Result 1214 states and 1386 transitions.
[2024-11-08 19:13:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-08 19:13:53,057 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.307692307692307) internal successors, (238), 14 states have internal predecessors, (238), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 120
[2024-11-08 19:13:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:53,063 INFO L225 Difference]: With dead ends: 1214
[2024-11-08 19:13:53,063 INFO L226 Difference]: Without dead ends: 1213
[2024-11-08 19:13:53,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:13:53,065 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 211 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:53,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 289 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 19:13:53,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states.
[2024-11-08 19:13:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1106.
[2024-11-08 19:13:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1041 states have (on average 1.122958693563881) internal successors, (1169), 1056 states have internal predecessors, (1169), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-08 19:13:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1263 transitions.
[2024-11-08 19:13:53,162 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1263 transitions. Word has length 120
[2024-11-08 19:13:53,163 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:53,163 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1263 transitions.
[2024-11-08 19:13:53,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.307692307692307) internal successors, (238), 14 states have internal predecessors, (238), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16)
[2024-11-08 19:13:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1263 transitions.
[2024-11-08 19:13:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-08 19:13:53,164 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:53,165 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:53,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2024-11-08 19:13:53,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2024-11-08 19:13:53,366 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:53,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:53,366 INFO L85 PathProgramCache]: Analyzing trace with hash 227481092, now seen corresponding path program 1 times
[2024-11-08 19:13:53,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:53,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581592131]
[2024-11-08 19:13:53,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:53,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 19:13:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:53,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:53,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581592131]
[2024-11-08 19:13:53,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581592131] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:53,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246399564]
[2024-11-08 19:13:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:53,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:53,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:53,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:53,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-08 19:13:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:53,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:53,621 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:54,081 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:13:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:13:54,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246399564] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:13:54,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:13:54,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15
[2024-11-08 19:13:54,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345137808]
[2024-11-08 19:13:54,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:13:54,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-08 19:13:54,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:13:54,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-08 19:13:54,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:13:54,336 INFO L87 Difference]: Start difference. First operand 1106 states and 1263 transitions. Second operand has 16 states, 15 states have (on average 17.333333333333332) internal successors, (260), 16 states have internal predecessors, (260), 8 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17)
[2024-11-08 19:13:55,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:13:55,387 INFO L93 Difference]: Finished difference Result 1136 states and 1287 transitions.
[2024-11-08 19:13:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-11-08 19:13:55,388 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 17.333333333333332) internal successors, (260), 16 states have internal predecessors, (260), 8 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) Word has length 124
[2024-11-08 19:13:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:13:55,392 INFO L225 Difference]: With dead ends: 1136
[2024-11-08 19:13:55,392 INFO L226 Difference]: Without dead ends: 1135
[2024-11-08 19:13:55,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=431, Unknown=0, NotChecked=0, Total=650
[2024-11-08 19:13:55,394 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 1227 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 19:13:55,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 479 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 19:13:55,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states.
[2024-11-08 19:13:55,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1105.
[2024-11-08 19:13:55,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1041 states have (on average 1.1152737752161384) internal successors, (1161), 1055 states have internal predecessors, (1161), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-08 19:13:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1255 transitions.
[2024-11-08 19:13:55,510 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1255 transitions. Word has length 124
[2024-11-08 19:13:55,511 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:13:55,511 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1255 transitions.
[2024-11-08 19:13:55,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 17.333333333333332) internal successors, (260), 16 states have internal predecessors, (260), 8 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17)
[2024-11-08 19:13:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1255 transitions.
[2024-11-08 19:13:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2024-11-08 19:13:55,514 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:13:55,514 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:13:55,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-08 19:13:55,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2024-11-08 19:13:55,718 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:13:55,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:13:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1928500843, now seen corresponding path program 1 times
[2024-11-08 19:13:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:13:55,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555732615]
[2024-11-08 19:13:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:55,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:13:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:13:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:13:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:13:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:13:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:13:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:13:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2024-11-08 19:13:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:13:55,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:13:55,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555732615]
[2024-11-08 19:13:55,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555732615] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:13:55,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642305638]
[2024-11-08 19:13:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:13:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:13:55,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:13:55,935 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:13:55,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-11-08 19:13:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:13:56,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 19:13:56,017 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:13:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:13:56,277 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:14:04,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642305638] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:14:04,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:14:04,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-08 19:14:04,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694851473]
[2024-11-08 19:14:04,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:14:04,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 19:14:04,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:14:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 19:14:04,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=118, Unknown=2, NotChecked=0, Total=156
[2024-11-08 19:14:04,748 INFO L87 Difference]: Start difference. First operand 1105 states and 1255 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 19:14:06,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-11-08 19:14:06,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:14:06,988 INFO L93 Difference]: Finished difference Result 1127 states and 1276 transitions.
[2024-11-08 19:14:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 19:14:06,989 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 131
[2024-11-08 19:14:06,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:14:06,992 INFO L225 Difference]: With dead ends: 1127
[2024-11-08 19:14:06,992 INFO L226 Difference]: Without dead ends: 1103
[2024-11-08 19:14:06,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=54, Invalid=154, Unknown=2, NotChecked=0, Total=210
[2024-11-08 19:14:06,993 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 273 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:14:06,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 380 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-08 19:14:06,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states.
[2024-11-08 19:14:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1066.
[2024-11-08 19:14:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 1010 states have (on average 1.0643564356435644) internal successors, (1075), 1016 states have internal predecessors, (1075), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-08 19:14:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1169 transitions.
[2024-11-08 19:14:07,092 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1169 transitions. Word has length 131
[2024-11-08 19:14:07,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:14:07,093 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1169 transitions.
[2024-11-08 19:14:07,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 19:14:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1169 transitions.
[2024-11-08 19:14:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2024-11-08 19:14:07,094 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:14:07,095 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:14:07,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2024-11-08 19:14:07,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2024-11-08 19:14:07,295 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:14:07,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:14:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1939136946, now seen corresponding path program 1 times
[2024-11-08 19:14:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:14:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585968869]
[2024-11-08 19:14:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:14:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:14:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:14:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:14:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:14:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:14:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 19:14:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:14:07,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:14:07,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585968869]
[2024-11-08 19:14:07,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585968869] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:14:07,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947275013]
[2024-11-08 19:14:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:07,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:07,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:07,442 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:07,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-11-08 19:14:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:07,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:14:07,524 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:14:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-08 19:14:07,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:14:07,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947275013] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:14:07,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:14:07,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 19:14:07,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343480091]
[2024-11-08 19:14:07,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:14:07,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:14:07,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:14:07,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:14:07,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:14:07,691 INFO L87 Difference]: Start difference. First operand 1066 states and 1169 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:14:08,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:14:08,128 INFO L93 Difference]: Finished difference Result 1076 states and 1178 transitions.
[2024-11-08 19:14:08,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:14:08,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 138
[2024-11-08 19:14:08,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:14:08,133 INFO L225 Difference]: With dead ends: 1076
[2024-11-08 19:14:08,133 INFO L226 Difference]: Without dead ends: 1057
[2024-11-08 19:14:08,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:14:08,134 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 179 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:14:08,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 319 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 19:14:08,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states.
[2024-11-08 19:14:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1047.
[2024-11-08 19:14:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 995 states have (on average 1.0301507537688441) internal successors, (1025), 997 states have internal predecessors, (1025), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-08 19:14:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1119 transitions.
[2024-11-08 19:14:08,251 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1119 transitions. Word has length 138
[2024-11-08 19:14:08,251 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:14:08,251 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1119 transitions.
[2024-11-08 19:14:08,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 19:14:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1119 transitions.
[2024-11-08 19:14:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2024-11-08 19:14:08,253 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:14:08,253 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:14:08,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2024-11-08 19:14:08,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2024-11-08 19:14:08,458 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:14:08,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:14:08,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1246580491, now seen corresponding path program 1 times
[2024-11-08 19:14:08,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:14:08,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424793641]
[2024-11-08 19:14:08,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:08,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:14:08,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331736679]
[2024-11-08 19:14:08,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:08,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:08,494 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:08,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2024-11-08 19:14:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:08,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-08 19:14:08,570 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:14:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-11-08 19:14:09,489 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:14:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-11-08 19:14:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:14:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424793641]
[2024-11-08 19:14:09,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:14:09,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331736679]
[2024-11-08 19:14:09,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331736679] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:14:09,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:14:09,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-11-08 19:14:09,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103507425]
[2024-11-08 19:14:09,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:14:09,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-08 19:14:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:14:09,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-08 19:14:09,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156
[2024-11-08 19:14:09,945 INFO L87 Difference]: Start difference. First operand 1047 states and 1119 transitions. Second operand has 13 states, 12 states have (on average 19.333333333333332) internal successors, (232), 13 states have internal predecessors, (232), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15)
[2024-11-08 19:14:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:14:11,510 INFO L93 Difference]: Finished difference Result 3401 states and 3643 transitions.
[2024-11-08 19:14:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-08 19:14:11,511 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 19.333333333333332) internal successors, (232), 13 states have internal predecessors, (232), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 152
[2024-11-08 19:14:11,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:14:11,521 INFO L225 Difference]: With dead ends: 3401
[2024-11-08 19:14:11,521 INFO L226 Difference]: Without dead ends: 3400
[2024-11-08 19:14:11,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:14:11,524 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 456 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:14:11,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1088 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 19:14:11,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states.
[2024-11-08 19:14:11,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3363.
[2024-11-08 19:14:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3363 states, 3211 states have (on average 1.0305200872002491) internal successors, (3309), 3213 states have internal predecessors, (3309), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147)
[2024-11-08 19:14:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3603 transitions.
[2024-11-08 19:14:11,918 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3603 transitions. Word has length 152
[2024-11-08 19:14:11,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:14:11,918 INFO L471 AbstractCegarLoop]: Abstraction has 3363 states and 3603 transitions.
[2024-11-08 19:14:11,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 19.333333333333332) internal successors, (232), 13 states have internal predecessors, (232), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15)
[2024-11-08 19:14:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3603 transitions.
[2024-11-08 19:14:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-08 19:14:11,922 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:14:11,922 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:14:11,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0
[2024-11-08 19:14:12,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2024-11-08 19:14:12,123 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:14:12,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:14:12,123 INFO L85 PathProgramCache]: Analyzing trace with hash 947613187, now seen corresponding path program 2 times
[2024-11-08 19:14:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:14:12,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219105534]
[2024-11-08 19:14:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:14:12,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113361960]
[2024-11-08 19:14:12,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:14:12,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:12,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:12,169 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:12,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-11-08 19:14:12,319 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 19:14:12,319 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:14:12,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 19:14:12,323 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:14:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2024-11-08 19:14:12,522 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:14:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2024-11-08 19:14:13,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:14:13,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219105534]
[2024-11-08 19:14:13,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:14:13,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113361960]
[2024-11-08 19:14:13,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113361960] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:14:13,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:14:13,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2024-11-08 19:14:13,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40010491]
[2024-11-08 19:14:13,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:14:13,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 19:14:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:14:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 19:14:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2024-11-08 19:14:13,069 INFO L87 Difference]: Start difference. First operand 3363 states and 3603 transitions. Second operand has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 9 states have call predecessors, (14), 9 states have call successors, (14)
[2024-11-08 19:14:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:14:15,143 INFO L93 Difference]: Finished difference Result 10759 states and 11613 transitions.
[2024-11-08 19:14:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-08 19:14:15,144 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 9 states have call predecessors, (14), 9 states have call successors, (14) Word has length 187
[2024-11-08 19:14:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:14:15,193 INFO L225 Difference]: With dead ends: 10759
[2024-11-08 19:14:15,194 INFO L226 Difference]: Without dead ends: 10758
[2024-11-08 19:14:15,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:14:15,197 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1689 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-08 19:14:15,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 1343 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-08 19:14:15,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10758 states.
[2024-11-08 19:14:16,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 10743.
[2024-11-08 19:14:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10743 states, 10261 states have (on average 1.0323555209043953) internal successors, (10593), 10263 states have internal predecessors, (10593), 477 states have call successors, (477), 2 states have call predecessors, (477), 2 states have return successors, (477), 477 states have call predecessors, (477), 477 states have call successors, (477)
[2024-11-08 19:14:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10743 states to 10743 states and 11547 transitions.
[2024-11-08 19:14:16,214 INFO L78 Accepts]: Start accepts. Automaton has 10743 states and 11547 transitions. Word has length 187
[2024-11-08 19:14:16,214 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:14:16,214 INFO L471 AbstractCegarLoop]: Abstraction has 10743 states and 11547 transitions.
[2024-11-08 19:14:16,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 12 states have internal predecessors, (278), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 9 states have call predecessors, (14), 9 states have call successors, (14)
[2024-11-08 19:14:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 10743 states and 11547 transitions.
[2024-11-08 19:14:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259
[2024-11-08 19:14:16,219 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:14:16,219 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:14:16,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-11-08 19:14:16,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:16,420 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:14:16,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:14:16,420 INFO L85 PathProgramCache]: Analyzing trace with hash 958492921, now seen corresponding path program 1 times
[2024-11-08 19:14:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:14:16,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332396421]
[2024-11-08 19:14:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:14:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 19:14:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2024-11-08 19:14:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 19:14:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:14:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 19:14:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 19:14:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2024-11-08 19:14:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 19:14:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193
[2024-11-08 19:14:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-08 19:14:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-08 19:14:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 123 proven. 56 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-11-08 19:14:16,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:14:16,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332396421]
[2024-11-08 19:14:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332396421] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:14:16,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571004488]
[2024-11-08 19:14:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:16,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:16,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:16,752 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:16,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2024-11-08 19:14:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:16,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 19:14:16,854 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:14:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 67 proven. 133 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2024-11-08 19:14:18,142 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:14:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 67 proven. 133 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2024-11-08 19:14:18,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571004488] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:14:18,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:14:18,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 23
[2024-11-08 19:14:18,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284937643]
[2024-11-08 19:14:18,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:14:18,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-08 19:14:18,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:14:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-08 19:14:18,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552
[2024-11-08 19:14:18,770 INFO L87 Difference]: Start difference. First operand 10743 states and 11547 transitions. Second operand has 24 states, 23 states have (on average 25.17391304347826) internal successors, (579), 24 states have internal predecessors, (579), 15 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35)
[2024-11-08 19:14:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:14:26,159 INFO L93 Difference]: Finished difference Result 23184 states and 24904 transitions.
[2024-11-08 19:14:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states.
[2024-11-08 19:14:26,160 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 25.17391304347826) internal successors, (579), 24 states have internal predecessors, (579), 15 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35) Word has length 258
[2024-11-08 19:14:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:14:26,206 INFO L225 Difference]: With dead ends: 23184
[2024-11-08 19:14:26,206 INFO L226 Difference]: Without dead ends: 23183
[2024-11-08 19:14:26,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4425 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2988, Invalid=9222, Unknown=0, NotChecked=0, Total=12210
[2024-11-08 19:14:26,215 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 1982 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 3884 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 4043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 3884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:14:26,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 574 Invalid, 4043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 3884 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-08 19:14:26,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23183 states.
[2024-11-08 19:14:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23183 to 6442.
[2024-11-08 19:14:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6442 states, 6156 states have (on average 1.0279402209226771) internal successors, (6328), 6157 states have internal predecessors, (6328), 282 states have call successors, (282), 2 states have call predecessors, (282), 2 states have return successors, (282), 282 states have call predecessors, (282), 282 states have call successors, (282)
[2024-11-08 19:14:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6442 states to 6442 states and 6892 transitions.
[2024-11-08 19:14:27,294 INFO L78 Accepts]: Start accepts. Automaton has 6442 states and 6892 transitions. Word has length 258
[2024-11-08 19:14:27,295 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:14:27,295 INFO L471 AbstractCegarLoop]: Abstraction has 6442 states and 6892 transitions.
[2024-11-08 19:14:27,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 25.17391304347826) internal successors, (579), 24 states have internal predecessors, (579), 15 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35)
[2024-11-08 19:14:27,295 INFO L276 IsEmpty]: Start isEmpty. Operand 6442 states and 6892 transitions.
[2024-11-08 19:14:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2024-11-08 19:14:27,298 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:14:27,299 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:14:27,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2024-11-08 19:14:27,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:27,499 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:14:27,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:14:27,500 INFO L85 PathProgramCache]: Analyzing trace with hash -808112523, now seen corresponding path program 2 times
[2024-11-08 19:14:27,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:14:27,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325893574]
[2024-11-08 19:14:27,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:14:27,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:14:27,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477628853]
[2024-11-08 19:14:27,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:14:27,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:27,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:27,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:27,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2024-11-08 19:14:27,822 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 19:14:27,822 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:14:27,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-08 19:14:27,828 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:17:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 206 proven. 154 refuted. 90 times theorem prover too weak. 103 trivial. 0 not checked.
[2024-11-08 19:17:10,701 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:17:44,946 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-11-08 19:17:44,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101
[2024-11-08 19:17:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:17:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325893574]
[2024-11-08 19:17:44,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:17:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477628853]
[2024-11-08 19:17:44,948 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-11-08 19:17:44,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2024-11-08 19:17:45,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:17:45,149 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:786)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:159)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:143)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 45 more
[2024-11-08 19:17:45,153 INFO L158 Benchmark]: Toolchain (without parser) took 476743.45ms. Allocated memory was 132.1MB in the beginning and 891.3MB in the end (delta: 759.2MB). Free memory was 94.1MB in the beginning and 522.0MB in the end (delta: -427.9MB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,153 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 132.1MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:17:45,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.27ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 81.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.04ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,154 INFO L158 Benchmark]: Boogie Preprocessor took 39.81ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,154 INFO L158 Benchmark]: RCFGBuilder took 915.04ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 49.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,154 INFO L158 Benchmark]: TraceAbstraction took 475457.14ms. Allocated memory was 132.1MB in the beginning and 891.3MB in the end (delta: 759.2MB). Free memory was 48.3MB in the beginning and 522.0MB in the end (delta: -473.8MB). Peak memory consumption was 286.3MB. Max. memory is 16.1GB.
[2024-11-08 19:17:45,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.55ms. Allocated memory is still 132.1MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 284.27ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 81.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.04ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.81ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 915.04ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 49.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 475457.14ms. Allocated memory was 132.1MB in the beginning and 891.3MB in the end (delta: 759.2MB). Free memory was 48.3MB in the beginning and 522.0MB in the end (delta: -473.8MB). Peak memory consumption was 286.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX --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 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:17:47,417 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:17:47,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf
[2024-11-08 19:17:47,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:17:47,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:17:47,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:17:47,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:17:47,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:17:47,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:17:47,564 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:17:47,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:17:47,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:17:47,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:17:47,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:17:47,569 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:17:47,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:17:47,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:17:47,571 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:17:47,571 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:17:47,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:17:47,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:17:47,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:17:47,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:17:47,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 19:17:47,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 19:17:47,577 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:17:47,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:17:47,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 19:17:47,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 19:17:47,579 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:17:47,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:17:47,579 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:17:47,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:17:47,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:17:47,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:17:47,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:17:47,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:17:47,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:17:47,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:17:47,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:17:47,585 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 19:17:47,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 19:17:47,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:17:47,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:17:47,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:17:47,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:17:47,605 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_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a
[2024-11-08 19:17:48,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:17:48,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:17:48,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:17:48,088 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:17:48,090 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:17:48,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c
Unable to find full path for "g++"
[2024-11-08 19:17:50,288 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:17:50,518 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:17:50,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c
[2024-11-08 19:17:50,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/277fab654/ca6999a0be48429ca2375eb55ac4c800/FLAGe02cf91dd
[2024-11-08 19:17:50,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/data/277fab654/ca6999a0be48429ca2375eb55ac4c800
[2024-11-08 19:17:50,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:17:50,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:17:50,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:17:50,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:17:50,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:17:50,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:50" (1/1) ...
[2024-11-08 19:17:50,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704ab945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:50, skipping insertion in model container
[2024-11-08 19:17:50,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:50" (1/1) ...
[2024-11-08 19:17:50,908 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:17:51,171 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:17:51,188 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:17:51,222 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:17:51,244 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:17:51,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51 WrapperNode
[2024-11-08 19:17:51,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:17:51,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:17:51,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:17:51,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:17:51,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,302 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 150
[2024-11-08 19:17:51,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:17:51,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:17:51,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:17:51,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:17:51,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,332 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 19:17:51,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:17:51,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:17:51,352 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:17:51,353 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:17:51,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (1/1) ...
[2024-11-08 19:17:51,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:17:51,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:17:51,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:17:51,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:17:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:17:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 19:17:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 19:17:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 19:17:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:17:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:17:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 19:17:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 19:17:51,525 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:17:51,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:19:31,249 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-11-08 19:19:31,250 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:19:31,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:19:31,270 INFO L316 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-08 19:19:31,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:31 BoogieIcfgContainer
[2024-11-08 19:19:31,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:19:31,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:19:31,275 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:19:31,279 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:19:31,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:17:50" (1/3) ...
[2024-11-08 19:19:31,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9ae079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:31, skipping insertion in model container
[2024-11-08 19:19:31,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:51" (2/3) ...
[2024-11-08 19:19:31,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9ae079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:19:31, skipping insertion in model container
[2024-11-08 19:19:31,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:19:31" (3/3) ...
[2024-11-08 19:19:31,285 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound20.c
[2024-11-08 19:19:31,303 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:19:31,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations.
[2024-11-08 19:19:31,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:19:31,393 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39fec4d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:19:31,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations.
[2024-11-08 19:19:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-08 19:19:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 19:19:31,407 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:19:31,408 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:19:31,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:19:31,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:19:31,416 INFO L85 PathProgramCache]: Analyzing trace with hash -36063535, now seen corresponding path program 1 times
[2024-11-08 19:19:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 19:19:31,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106175538]
[2024-11-08 19:19:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:19:31,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:31,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:19:31,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:19:31,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:19:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:19:31,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 19:19:31,511 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:19:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 19:19:31,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:19:31,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 19:19:31,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106175538]
[2024-11-08 19:19:31,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106175538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:19:31,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:19:31,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:19:31,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506768019]
[2024-11-08 19:19:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:19:31,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 19:19:31,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 19:19:31,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 19:19:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:19:31,566 INFO L87 Difference]: Start difference. First operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:19:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:19:31,607 INFO L93 Difference]: Finished difference Result 414 states and 465 transitions.
[2024-11-08 19:19:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 19:19:31,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2024-11-08 19:19:31,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:19:31,636 INFO L225 Difference]: With dead ends: 414
[2024-11-08 19:19:31,636 INFO L226 Difference]: Without dead ends: 196
[2024-11-08 19:19:31,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:19:31,647 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:19:31,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:19:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2024-11-08 19:19:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196.
[2024-11-08 19:19:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 107 states have (on average 1.766355140186916) internal successors, (189), 186 states have internal predecessors, (189), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:19:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 203 transitions.
[2024-11-08 19:19:31,718 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 203 transitions. Word has length 14
[2024-11-08 19:19:31,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:19:31,720 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 203 transitions.
[2024-11-08 19:19:31,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 19:19:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 203 transitions.
[2024-11-08 19:19:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-08 19:19:31,722 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:19:31,722 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:19:31,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 19:19:31,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:31,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:19:31,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:19:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 220212497, now seen corresponding path program 1 times
[2024-11-08 19:19:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 19:19:31,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054410623]
[2024-11-08 19:19:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:19:31,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:31,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:19:31,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:19:31,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 19:19:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:19:32,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 19:19:32,160 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:19:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:19:32,353 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:19:32,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 19:19:32,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054410623]
[2024-11-08 19:19:32,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054410623] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:19:32,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:19:32,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:19:32,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070380805]
[2024-11-08 19:19:32,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:19:32,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:19:32,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 19:19:32,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:19:32,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:19:32,357 INFO L87 Difference]: Start difference. First operand 196 states and 203 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 19:19:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:19:33,540 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions.
[2024-11-08 19:19:33,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:19:33,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2024-11-08 19:19:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:19:33,550 INFO L225 Difference]: With dead ends: 196
[2024-11-08 19:19:33,551 INFO L226 Difference]: Without dead ends: 190
[2024-11-08 19:19:33,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:19:33,555 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 9 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:19:33,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 699 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 19:19:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-11-08 19:19:33,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190.
[2024-11-08 19:19:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 180 states have internal predecessors, (183), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:19:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions.
[2024-11-08 19:19:33,584 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 18
[2024-11-08 19:19:33,585 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:19:33,586 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions.
[2024-11-08 19:19:33,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 19:19:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions.
[2024-11-08 19:19:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-08 19:19:33,587 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:19:33,587 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:19:33,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 19:19:33,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:33,788 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:19:33,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:19:33,789 INFO L85 PathProgramCache]: Analyzing trace with hash -607868052, now seen corresponding path program 1 times
[2024-11-08 19:19:33,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 19:19:33,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523754684]
[2024-11-08 19:19:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:19:33,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:33,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:19:33,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:19:33,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 19:19:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:19:34,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 19:19:34,100 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:19:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:19:34,547 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:19:34,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 19:19:34,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523754684]
[2024-11-08 19:19:34,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523754684] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:19:34,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [935809845]
[2024-11-08 19:19:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:19:34,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-08 19:19:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/cvc4
[2024-11-08 19:19:34,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-08 19:19:34,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-08 19:19:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:19:35,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:19:35,547 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:19:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:19:35,924 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:19:36,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [935809845] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:19:36,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:19:36,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2024-11-08 19:19:36,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743141334]
[2024-11-08 19:19:36,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:19:36,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:19:36,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 19:19:36,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:19:36,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:19:36,080 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 19:19:39,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 19:19:40,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 19:19:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:19:41,290 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions.
[2024-11-08 19:19:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:19:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39
[2024-11-08 19:19:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:19:41,293 INFO L225 Difference]: With dead ends: 190
[2024-11-08 19:19:41,293 INFO L226 Difference]: Without dead ends: 187
[2024-11-08 19:19:41,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:19:41,295 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 147 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time
[2024-11-08 19:19:41,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 494 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time]
[2024-11-08 19:19:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2024-11-08 19:19:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2024-11-08 19:19:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 107 states have (on average 1.6822429906542056) internal successors, (180), 177 states have internal predecessors, (180), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 19:19:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions.
[2024-11-08 19:19:41,318 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 39
[2024-11-08 19:19:41,318 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:19:41,319 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions.
[2024-11-08 19:19:41,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 19:19:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions.
[2024-11-08 19:19:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-08 19:19:41,320 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:19:41,320 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:19:41,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2024-11-08 19:19:41,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 19:19:41,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:41,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:19:41,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:19:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1664040351, now seen corresponding path program 1 times
[2024-11-08 19:19:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 19:19:41,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609816389]
[2024-11-08 19:19:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:19:41,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:19:41,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:19:41,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:19:41,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 19:19:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:19:42,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 19:19:42,038 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:19:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:19:43,990 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:19:52,225 WARN L873 $PredicateComparison]: unable to prove that (bvsle (let ((.cse0 ((_ sign_extend 32) |c_ULTIMATE.start_main_~A~0#1|))) (bvadd ((_ sign_extend 1) (bvadd (bvneg .cse0) (let ((.cse1 ((_ sign_extend 32) |c_ULTIMATE.start_main_~R~0#1|))) (bvmul .cse1 .cse1)))) ((_ sign_extend 1) .cse0))) (_ bv9223372036854775807 65)) is different from true
[2024-11-08 19:20:28,769 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:20:36,916 WARN L873 $PredicateComparison]: unable to prove that (or (not (= (bvsrem |c_ULTIMATE.start_main_~A~0#1| (_ bv2 32)) (_ bv1 32))) (bvsle (let ((.cse0 ((_ sign_extend 32) |c_ULTIMATE.start_main_~A~0#1|))) (bvadd ((_ sign_extend 1) (bvadd (bvneg .cse0) (let ((.cse1 ((_ sign_extend 32) |c_ULTIMATE.start_main_~R~0#1|))) (bvmul .cse1 .cse1)))) ((_ sign_extend 1) .cse0))) (_ bv9223372036854775807 65))) is different from true
[2024-11-08 19:20:53,010 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:20:57,024 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_3| (_ BitVec 32)) (|v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10| (_ BitVec 32))) (or (bvsle (let ((.cse1 ((_ sign_extend 32) |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10|))) (bvadd ((_ sign_extend 1) (bvadd (let ((.cse0 ((_ sign_extend 32) |v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_3|))) (bvmul .cse0 .cse0)) (bvneg .cse1))) ((_ sign_extend 1) .cse1))) (_ bv9223372036854775807 65)) (= (_ bv1 32) (bvsrem |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10| (_ bv2 32)))))) is different from true
[2024-11-08 19:21:13,144 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:21:29,248 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:21:33,260 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_3| (_ BitVec 32)) (|v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10| (_ BitVec 32))) (or (bvsle (let ((.cse1 ((_ sign_extend 32) |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10|))) (bvadd ((_ sign_extend 1) (bvadd (let ((.cse0 ((_ sign_extend 32) |v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_3|))) (bvmul .cse0 .cse0)) (bvneg .cse1))) ((_ sign_extend 1) .cse1))) (_ bv9223372036854775807 65)) (= (_ bv1 32) (bvsrem |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_10| (_ bv2 32)))))) is different from true
[2024-11-08 19:21:41,296 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:21:53,383 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:22:05,486 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:22:17,592 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:22:29,727 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:22:41,832 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:22:53,907 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:23:26,504 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:23:34,572 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12| (_ BitVec 32))) (or (not (= (bvsrem |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12| (_ bv2 32)) (_ bv1 32))) (bvsle (let ((.cse1 ((_ sign_extend 32) |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12|))) (bvadd ((_ sign_extend 1) (bvadd (let ((.cse0 ((_ sign_extend 32) |v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_5|))) (bvmul .cse0 .cse0)) (bvneg .cse1))) ((_ sign_extend 1) .cse1))) (_ bv9223372036854775807 65))))) is different from true
[2024-11-08 19:23:46,624 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:24:02,763 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 19:24:10,890 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12| (_ BitVec 32))) (or (not (= (bvsrem |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12| (_ bv2 32)) (_ bv1 32))) (bvsle (let ((.cse1 ((_ sign_extend 32) |v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_12|))) (bvadd ((_ sign_extend 1) (bvadd (let ((.cse0 ((_ sign_extend 32) |v_ULTIMATE.start_main_~R~0#1_BEFORE_CALL_5|))) (bvmul .cse0 .cse0)) (bvneg .cse1))) ((_ sign_extend 1) .cse1))) (_ bv9223372036854775807 65))))) is different from true
[2024-11-08 19:24:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 3 times theorem prover too weak. 9 trivial. 3 not checked.
[2024-11-08 19:24:10,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 19:24:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609816389]
[2024-11-08 19:24:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609816389] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:24:10,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:24:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14
[2024-11-08 19:24:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881597342]
[2024-11-08 19:24:10,956 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:24:10,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 19:24:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 19:24:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 19:24:10,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=6, NotChecked=114, Total=210
[2024-11-08 19:24:10,958 INFO L87 Difference]: Start difference. First operand 187 states and 194 transitions. Second operand has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8)
[2024-11-08 19:24:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:24:17,877 INFO L93 Difference]: Finished difference Result 310 states and 330 transitions.
[2024-11-08 19:24:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 19:24:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 40
[2024-11-08 19:24:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:24:17,880 INFO L225 Difference]: With dead ends: 310
[2024-11-08 19:24:17,881 INFO L226 Difference]: Without dead ends: 301
[2024-11-08 19:24:17,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 26.1s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=6, NotChecked=126, Total=240
[2024-11-08 19:24:17,882 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 365 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1886 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:24:17,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 720 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 323 Invalid, 0 Unknown, 1886 Unchecked, 5.7s Time]
[2024-11-08 19:24:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states.
[2024-11-08 19:24:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 255.
[2024-11-08 19:24:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 173 states have (on average 1.676300578034682) internal successors, (290), 242 states have internal predecessors, (290), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-08 19:24:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 310 transitions.
[2024-11-08 19:24:17,902 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 310 transitions. Word has length 40
[2024-11-08 19:24:17,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:24:17,902 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 310 transitions.
[2024-11-08 19:24:17,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8)
[2024-11-08 19:24:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions.
[2024-11-08 19:24:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-08 19:24:17,904 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:24:17,904 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:24:17,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 19:24:18,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:24:18,106 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] ===
[2024-11-08 19:24:18,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:24:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash -913487696, now seen corresponding path program 1 times
[2024-11-08 19:24:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 19:24:18,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116301318]
[2024-11-08 19:24:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:24:18,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:24:18,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:24:18,113 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:24:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f365f-bef6-435d-be91-53a2427b481b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 19:24:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:24:18,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:24:18,492 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:24:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-08 19:24:19,159 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:24:27,812 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv170141183460469231722463931679029329920 127) (let ((.cse0 ((_ sign_extend 63) |c_ULTIMATE.start_main_~u~0#1|))) (bvmul .cse0 .cse0))) is different from true