./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:51:19,080 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:51:19,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 13:51:19,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:51:19,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:51:19,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:51:19,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:51:19,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:51:19,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:51:19,165 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:51:19,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:51:19,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:51:19,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:51:19,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:51:19,165 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:51:19,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:51:19,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:51:19,167 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:51:19,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:51:19,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:51:19,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:51:19,168 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554
[2024-12-02 13:51:19,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:51:19,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:51:19,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:51:19,422 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:51:19,423 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:51:19,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c
[2024-12-02 13:51:22,044 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/ef679a30f/6a0fbfd607f84233aa7cd1d8d755f038/FLAGb60a9ab8f
[2024-12-02 13:51:22,261 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:51:22,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/sv-benchmarks/c/bitvector/soft_float_3.c.cil.c
[2024-12-02 13:51:22,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/ef679a30f/6a0fbfd607f84233aa7cd1d8d755f038/FLAGb60a9ab8f
[2024-12-02 13:51:22,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/ef679a30f/6a0fbfd607f84233aa7cd1d8d755f038
[2024-12-02 13:51:22,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:51:22,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:51:22,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:51:22,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:51:22,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:51:22,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f02422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22, skipping insertion in model container
[2024-12-02 13:51:22,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,616 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:51:22,761 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:51:22,768 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:51:22,802 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:51:22,815 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:51:22,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22 WrapperNode
[2024-12-02 13:51:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:51:22,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:51:22,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:51:22,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:51:22,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,849 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169
[2024-12-02 13:51:22,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:51:22,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:51:22,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:51:22,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:51:22,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,872 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].
[2024-12-02 13:51:22,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:51:22,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:51:22,886 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:51:22,886 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:51:22,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (1/1) ...
[2024-12-02 13:51:22,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:51:22,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:22,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:51:22,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:51:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:51:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:51:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt
[2024-12-02 13:51:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt
[2024-12-02 13:51:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:51:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:51:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 13:51:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 13:51:23,002 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:51:23,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:51:23,332 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live.
[2024-12-02 13:51:23,332 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:51:23,344 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:51:23,344 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 13:51:23,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:23 BoogieIcfgContainer
[2024-12-02 13:51:23,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:51:23,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:51:23,347 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:51:23,350 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:51:23,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:51:22" (1/3) ...
[2024-12-02 13:51:23,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef8753b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:23, skipping insertion in model container
[2024-12-02 13:51:23,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:22" (2/3) ...
[2024-12-02 13:51:23,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef8753b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:23, skipping insertion in model container
[2024-12-02 13:51:23,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:23" (3/3) ...
[2024-12-02 13:51:23,352 INFO L128 eAbstractionObserver]: Analyzing ICFG soft_float_3.c.cil.c
[2024-12-02 13:51:23,362 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:51:23,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG soft_float_3.c.cil.c that has 3 procedures, 120 locations, 1 initial locations, 2 loop locations, and 24 error locations.
[2024-12-02 13:51:23,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:51:23,411 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;@36192c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:51:23,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-12-02 13:51:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 88 states have (on average 1.6704545454545454) internal successors, (147), 113 states have internal predecessors, (147), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 13:51:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 13:51:23,419 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:23,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:23,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:23,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:23,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1569770089, now seen corresponding path program 1 times
[2024-12-02 13:51:23,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:23,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64553384]
[2024-12-02 13:51:23,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:23,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:23,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64553384]
[2024-12-02 13:51:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64553384] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:23,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:23,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:51:23,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864110988]
[2024-12-02 13:51:23,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:23,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:23,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:23,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:23,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:23,621 INFO L87 Difference]: Start difference. First operand has 120 states, 88 states have (on average 1.6704545454545454) internal successors, (147), 113 states have internal predecessors, (147), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:23,758 INFO L93 Difference]: Finished difference Result 287 states and 401 transitions.
[2024-12-02 13:51:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:23,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 13:51:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:23,767 INFO L225 Difference]: With dead ends: 287
[2024-12-02 13:51:23,767 INFO L226 Difference]: Without dead ends: 147
[2024-12-02 13:51:23,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:23,772 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 85 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:23,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 384 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2024-12-02 13:51:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 135.
[2024-12-02 13:51:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 109 states have (on average 1.5229357798165137) internal successors, (166), 128 states have internal predecessors, (166), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions.
[2024-12-02 13:51:23,810 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 8
[2024-12-02 13:51:23,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:23,811 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions.
[2024-12-02 13:51:23,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions.
[2024-12-02 13:51:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 13:51:23,812 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:23,812 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:23,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:51:23,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:23,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:23,813 INFO L85 PathProgramCache]: Analyzing trace with hash 972901998, now seen corresponding path program 1 times
[2024-12-02 13:51:23,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:23,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832808828]
[2024-12-02 13:51:23,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:23,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:23,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832808828]
[2024-12-02 13:51:23,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832808828] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:23,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:23,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:51:23,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075559423]
[2024-12-02 13:51:23,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:23,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:51:23,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:23,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:51:23,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:23,871 INFO L87 Difference]: Start difference. First operand 135 states and 174 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:23,921 INFO L93 Difference]: Finished difference Result 135 states and 174 transitions.
[2024-12-02 13:51:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:51:23,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-12-02 13:51:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:23,923 INFO L225 Difference]: With dead ends: 135
[2024-12-02 13:51:23,923 INFO L226 Difference]: Without dead ends: 134
[2024-12-02 13:51:23,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:23,924 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:23,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 188 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:23,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2024-12-02 13:51:23,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2024-12-02 13:51:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 109 states have (on average 1.5045871559633028) internal successors, (164), 127 states have internal predecessors, (164), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions.
[2024-12-02 13:51:23,936 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 12
[2024-12-02 13:51:23,936 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:23,936 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions.
[2024-12-02 13:51:23,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions.
[2024-12-02 13:51:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 13:51:23,937 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:23,937 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:23,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:51:23,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:23,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash -98832990, now seen corresponding path program 1 times
[2024-12-02 13:51:23,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:23,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027312105]
[2024-12-02 13:51:23,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027312105]
[2024-12-02 13:51:24,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027312105] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106508449]
[2024-12-02 13:51:24,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:24,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:24,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:24,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:51:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:24,066 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:51:24,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106508449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:24,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 13:51:24,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 13:51:24,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272004943]
[2024-12-02 13:51:24,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:24,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:24,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:24,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:24,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:24,113 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:24,190 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions.
[2024-12-02 13:51:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:24,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-12-02 13:51:24,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:24,195 INFO L225 Difference]: With dead ends: 162
[2024-12-02 13:51:24,195 INFO L226 Difference]: Without dead ends: 160
[2024-12-02 13:51:24,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:24,196 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 25 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:24,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 273 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:24,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-12-02 13:51:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 142.
[2024-12-02 13:51:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 117 states have (on average 1.4871794871794872) internal successors, (174), 135 states have internal predecessors, (174), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions.
[2024-12-02 13:51:24,207 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 13
[2024-12-02 13:51:24,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:24,207 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions.
[2024-12-02 13:51:24,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions.
[2024-12-02 13:51:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 13:51:24,208 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:24,208 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:24,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:51:24,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:24,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:24,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:24,409 INFO L85 PathProgramCache]: Analyzing trace with hash 95190921, now seen corresponding path program 1 times
[2024-12-02 13:51:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881951292]
[2024-12-02 13:51:24,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:24,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881951292]
[2024-12-02 13:51:24,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881951292] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:24,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207269446]
[2024-12-02 13:51:24,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:24,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:24,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:51:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:24,513 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:51:24,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207269446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:24,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 13:51:24,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2024-12-02 13:51:24,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360470748]
[2024-12-02 13:51:24,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:24,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:51:24,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:24,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:51:24,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:24,528 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:24,574 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions.
[2024-12-02 13:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:51:24,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-12-02 13:51:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:24,576 INFO L225 Difference]: With dead ends: 147
[2024-12-02 13:51:24,576 INFO L226 Difference]: Without dead ends: 146
[2024-12-02 13:51:24,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:24,577 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 16 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:24,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 179 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2024-12-02 13:51:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143.
[2024-12-02 13:51:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 118 states have (on average 1.4830508474576272) internal successors, (175), 136 states have internal predecessors, (175), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 183 transitions.
[2024-12-02 13:51:24,587 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 183 transitions. Word has length 13
[2024-12-02 13:51:24,587 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:24,587 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 183 transitions.
[2024-12-02 13:51:24,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions.
[2024-12-02 13:51:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 13:51:24,588 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:24,588 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:24,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:51:24,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:24,789 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:24,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1239827513, now seen corresponding path program 1 times
[2024-12-02 13:51:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503320751]
[2024-12-02 13:51:24,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:24,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503320751]
[2024-12-02 13:51:24,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503320751] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:24,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:24,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:51:24,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888208286]
[2024-12-02 13:51:24,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:24,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:51:24,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:24,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:51:24,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:24,812 INFO L87 Difference]: Start difference. First operand 143 states and 183 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:24,855 INFO L93 Difference]: Finished difference Result 293 states and 380 transitions.
[2024-12-02 13:51:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:51:24,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-12-02 13:51:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:24,857 INFO L225 Difference]: With dead ends: 293
[2024-12-02 13:51:24,857 INFO L226 Difference]: Without dead ends: 153
[2024-12-02 13:51:24,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:24,858 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 16 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:24,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 189 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2024-12-02 13:51:24,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145.
[2024-12-02 13:51:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 138 states have internal predecessors, (175), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 183 transitions.
[2024-12-02 13:51:24,870 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 183 transitions. Word has length 14
[2024-12-02 13:51:24,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:24,870 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 183 transitions.
[2024-12-02 13:51:24,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 183 transitions.
[2024-12-02 13:51:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 13:51:24,871 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:24,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:24,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:51:24,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:24,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:24,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1231144695, now seen corresponding path program 1 times
[2024-12-02 13:51:24,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:24,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893432787]
[2024-12-02 13:51:24,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 13:51:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:24,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893432787]
[2024-12-02 13:51:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893432787] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:51:24,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158699584]
[2024-12-02 13:51:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:24,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:51:24,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:24,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:51:24,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:24,902 INFO L87 Difference]: Start difference. First operand 145 states and 183 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:24,951 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions.
[2024-12-02 13:51:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:51:24,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-12-02 13:51:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:24,952 INFO L225 Difference]: With dead ends: 145
[2024-12-02 13:51:24,952 INFO L226 Difference]: Without dead ends: 144
[2024-12-02 13:51:24,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:24,953 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:24,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 182 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:24,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-12-02 13:51:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142.
[2024-12-02 13:51:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 118 states have (on average 1.4491525423728813) internal successors, (171), 135 states have internal predecessors, (171), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions.
[2024-12-02 13:51:24,963 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 14
[2024-12-02 13:51:24,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:24,963 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions.
[2024-12-02 13:51:24,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions.
[2024-12-02 13:51:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 13:51:24,964 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:24,964 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:51:24,964 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1231117291, now seen corresponding path program 1 times
[2024-12-02 13:51:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203053024]
[2024-12-02 13:51:24,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:24,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203053024]
[2024-12-02 13:51:24,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203053024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:24,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:24,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:51:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462050326]
[2024-12-02 13:51:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:24,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:51:24,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:24,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:51:24,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:24,995 INFO L87 Difference]: Start difference. First operand 142 states and 179 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:25,033 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions.
[2024-12-02 13:51:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:51:25,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-12-02 13:51:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:25,035 INFO L225 Difference]: With dead ends: 291
[2024-12-02 13:51:25,035 INFO L226 Difference]: Without dead ends: 152
[2024-12-02 13:51:25,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:51:25,036 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 7 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:25,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 196 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:25,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2024-12-02 13:51:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144.
[2024-12-02 13:51:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 120 states have (on average 1.425) internal successors, (171), 137 states have internal predecessors, (171), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 179 transitions.
[2024-12-02 13:51:25,046 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 179 transitions. Word has length 15
[2024-12-02 13:51:25,046 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:25,046 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 179 transitions.
[2024-12-02 13:51:25,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions.
[2024-12-02 13:51:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 13:51:25,047 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:25,047 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:25,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:51:25,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:25,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash -487057202, now seen corresponding path program 1 times
[2024-12-02 13:51:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:25,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381321859]
[2024-12-02 13:51:25,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:25,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381321859]
[2024-12-02 13:51:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381321859] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233640128]
[2024-12-02 13:51:25,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:25,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:25,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:51:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:25,138 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:25,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:51:25,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233640128] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:25,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 13:51:25,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 13:51:25,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747903459]
[2024-12-02 13:51:25,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:25,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:25,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:25,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:25,165 INFO L87 Difference]: Start difference. First operand 144 states and 179 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:25,219 INFO L93 Difference]: Finished difference Result 159 states and 201 transitions.
[2024-12-02 13:51:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:25,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-12-02 13:51:25,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:25,221 INFO L225 Difference]: With dead ends: 159
[2024-12-02 13:51:25,221 INFO L226 Difference]: Without dead ends: 158
[2024-12-02 13:51:25,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:25,222 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 9 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:25,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 271 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2024-12-02 13:51:25,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152.
[2024-12-02 13:51:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 128 states have (on average 1.3984375) internal successors, (179), 145 states have internal predecessors, (179), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions.
[2024-12-02 13:51:25,231 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 15
[2024-12-02 13:51:25,231 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:25,231 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions.
[2024-12-02 13:51:25,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions.
[2024-12-02 13:51:25,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 13:51:25,232 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:25,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:25,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:51:25,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:25,432 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:25,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:25,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1385353786, now seen corresponding path program 1 times
[2024-12-02 13:51:25,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:25,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086546742]
[2024-12-02 13:51:25,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:25,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086546742]
[2024-12-02 13:51:25,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086546742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:25,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:25,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:25,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385025729]
[2024-12-02 13:51:25,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:25,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:25,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:25,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:25,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:25,481 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:25,583 INFO L93 Difference]: Finished difference Result 167 states and 201 transitions.
[2024-12-02 13:51:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:25,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-12-02 13:51:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:25,584 INFO L225 Difference]: With dead ends: 167
[2024-12-02 13:51:25,584 INFO L226 Difference]: Without dead ends: 165
[2024-12-02 13:51:25,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:25,585 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 89 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:25,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 349 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states.
[2024-12-02 13:51:25,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 155.
[2024-12-02 13:51:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 131 states have (on average 1.3969465648854962) internal successors, (183), 148 states have internal predecessors, (183), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 191 transitions.
[2024-12-02 13:51:25,593 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 191 transitions. Word has length 15
[2024-12-02 13:51:25,593 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:25,593 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 191 transitions.
[2024-12-02 13:51:25,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions.
[2024-12-02 13:51:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 13:51:25,594 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:25,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:25,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 13:51:25,594 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:25,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2141516156, now seen corresponding path program 1 times
[2024-12-02 13:51:25,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:25,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347869897]
[2024-12-02 13:51:25,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:25,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:25,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347869897]
[2024-12-02 13:51:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347869897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:25,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:25,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:25,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111876162]
[2024-12-02 13:51:25,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:25,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:25,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:25,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:25,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:25,645 INFO L87 Difference]: Start difference. First operand 155 states and 191 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:25,696 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions.
[2024-12-02 13:51:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:25,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-12-02 13:51:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:25,697 INFO L225 Difference]: With dead ends: 312
[2024-12-02 13:51:25,697 INFO L226 Difference]: Without dead ends: 160
[2024-12-02 13:51:25,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:25,698 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 4 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:25,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 293 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-12-02 13:51:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2024-12-02 13:51:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 135 states have (on average 1.385185185185185) internal successors, (187), 152 states have internal predecessors, (187), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 195 transitions.
[2024-12-02 13:51:25,707 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 195 transitions. Word has length 16
[2024-12-02 13:51:25,707 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:25,707 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 195 transitions.
[2024-12-02 13:51:25,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 195 transitions.
[2024-12-02 13:51:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 13:51:25,708 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:25,708 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:25,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 13:51:25,708 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:25,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1034592462, now seen corresponding path program 1 times
[2024-12-02 13:51:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103964995]
[2024-12-02 13:51:25,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:51:25,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:25,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103964995]
[2024-12-02 13:51:25,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103964995] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:25,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:25,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:25,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261223833]
[2024-12-02 13:51:25,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:25,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:25,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:25,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:25,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:25,756 INFO L87 Difference]: Start difference. First operand 160 states and 195 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:25,856 INFO L93 Difference]: Finished difference Result 219 states and 268 transitions.
[2024-12-02 13:51:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-12-02 13:51:25,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:25,858 INFO L225 Difference]: With dead ends: 219
[2024-12-02 13:51:25,858 INFO L226 Difference]: Without dead ends: 215
[2024-12-02 13:51:25,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:25,858 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 129 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:25,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 276 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2024-12-02 13:51:25,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 203.
[2024-12-02 13:51:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 194 states have internal predecessors, (243), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions.
[2024-12-02 13:51:25,878 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 23
[2024-12-02 13:51:25,878 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:25,878 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions.
[2024-12-02 13:51:25,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions.
[2024-12-02 13:51:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 13:51:25,879 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:25,879 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:25,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 13:51:25,879 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:25,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1033732304, now seen corresponding path program 1 times
[2024-12-02 13:51:25,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:25,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127946065]
[2024-12-02 13:51:25,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:25,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:51:25,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:25,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127946065]
[2024-12-02 13:51:25,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127946065] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:25,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:25,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:25,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266827236]
[2024-12-02 13:51:25,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:25,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:25,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:25,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:25,923 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:26,038 INFO L93 Difference]: Finished difference Result 217 states and 263 transitions.
[2024-12-02 13:51:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:26,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-12-02 13:51:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:26,040 INFO L225 Difference]: With dead ends: 217
[2024-12-02 13:51:26,040 INFO L226 Difference]: Without dead ends: 215
[2024-12-02 13:51:26,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:26,041 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 129 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:26,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 281 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2024-12-02 13:51:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 195.
[2024-12-02 13:51:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 170 states have (on average 1.3588235294117648) internal successors, (231), 186 states have internal predecessors, (231), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 239 transitions.
[2024-12-02 13:51:26,052 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 239 transitions. Word has length 23
[2024-12-02 13:51:26,053 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:26,053 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 239 transitions.
[2024-12-02 13:51:26,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 239 transitions.
[2024-12-02 13:51:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 13:51:26,053 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:26,053 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:26,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 13:51:26,054 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:26,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:26,054 INFO L85 PathProgramCache]: Analyzing trace with hash -221145439, now seen corresponding path program 1 times
[2024-12-02 13:51:26,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:26,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609088303]
[2024-12-02 13:51:26,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:26,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:26,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609088303]
[2024-12-02 13:51:26,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609088303] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:26,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:26,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:26,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017469544]
[2024-12-02 13:51:26,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:26,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:26,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:26,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:26,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:26,104 INFO L87 Difference]: Start difference. First operand 195 states and 239 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:26,152 INFO L93 Difference]: Finished difference Result 342 states and 418 transitions.
[2024-12-02 13:51:26,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:26,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-12-02 13:51:26,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:26,153 INFO L225 Difference]: With dead ends: 342
[2024-12-02 13:51:26,153 INFO L226 Difference]: Without dead ends: 174
[2024-12-02 13:51:26,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:26,154 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 34 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:26,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 293 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-12-02 13:51:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171.
[2024-12-02 13:51:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 146 states have (on average 1.36986301369863) internal successors, (200), 162 states have internal predecessors, (200), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 208 transitions.
[2024-12-02 13:51:26,163 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 208 transitions. Word has length 23
[2024-12-02 13:51:26,164 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:26,164 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 208 transitions.
[2024-12-02 13:51:26,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 208 transitions.
[2024-12-02 13:51:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 13:51:26,164 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:26,164 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:26,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 13:51:26,164 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:26,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1928600218, now seen corresponding path program 1 times
[2024-12-02 13:51:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:26,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166935166]
[2024-12-02 13:51:26,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:26,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:26,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166935166]
[2024-12-02 13:51:26,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166935166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:26,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:26,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:26,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303826507]
[2024-12-02 13:51:26,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:26,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:26,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:26,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:26,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:26,216 INFO L87 Difference]: Start difference. First operand 171 states and 208 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:26,287 INFO L93 Difference]: Finished difference Result 330 states and 403 transitions.
[2024-12-02 13:51:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 13:51:26,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-12-02 13:51:26,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:26,289 INFO L225 Difference]: With dead ends: 330
[2024-12-02 13:51:26,289 INFO L226 Difference]: Without dead ends: 190
[2024-12-02 13:51:26,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:51:26,290 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 70 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:26,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:26,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-12-02 13:51:26,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 182.
[2024-12-02 13:51:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 157 states have (on average 1.356687898089172) internal successors, (213), 173 states have internal predecessors, (213), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 221 transitions.
[2024-12-02 13:51:26,301 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 221 transitions. Word has length 23
[2024-12-02 13:51:26,301 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:26,302 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 221 transitions.
[2024-12-02 13:51:26,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 221 transitions.
[2024-12-02 13:51:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-12-02 13:51:26,302 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:26,302 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:26,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 13:51:26,303 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:26,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -215896289, now seen corresponding path program 1 times
[2024-12-02 13:51:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:26,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670937694]
[2024-12-02 13:51:26,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 13:51:26,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:26,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670937694]
[2024-12-02 13:51:26,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670937694] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:26,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:26,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:51:26,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840028928]
[2024-12-02 13:51:26,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:26,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:26,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:26,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:26,342 INFO L87 Difference]: Start difference. First operand 182 states and 221 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:26,391 INFO L93 Difference]: Finished difference Result 186 states and 227 transitions.
[2024-12-02 13:51:26,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:51:26,392 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27
[2024-12-02 13:51:26,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:26,393 INFO L225 Difference]: With dead ends: 186
[2024-12-02 13:51:26,393 INFO L226 Difference]: Without dead ends: 185
[2024-12-02 13:51:26,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:26,393 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 7 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:26,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 253 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states.
[2024-12-02 13:51:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 172.
[2024-12-02 13:51:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 147 states have (on average 1.3673469387755102) internal successors, (201), 163 states have internal predecessors, (201), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 209 transitions.
[2024-12-02 13:51:26,404 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 209 transitions. Word has length 27
[2024-12-02 13:51:26,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:26,404 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 209 transitions.
[2024-12-02 13:51:26,404 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:51:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 209 transitions.
[2024-12-02 13:51:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 13:51:26,405 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:26,405 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:26,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 13:51:26,405 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:26,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash 600460172, now seen corresponding path program 1 times
[2024-12-02 13:51:26,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:26,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216219135]
[2024-12-02 13:51:26,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 13:51:26,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:26,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216219135]
[2024-12-02 13:51:26,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216219135] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:26,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186059469]
[2024-12-02 13:51:26,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:26,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:26,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:26,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:26,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 13:51:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:26,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:26,558 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 13:51:26,613 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 13:51:26,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186059469] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:26,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:26,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14
[2024-12-02 13:51:26,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842275497]
[2024-12-02 13:51:26,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:26,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 13:51:26,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:26,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 13:51:26,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182
[2024-12-02 13:51:26,760 INFO L87 Difference]: Start difference. First operand 172 states and 209 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-12-02 13:51:27,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:27,020 INFO L93 Difference]: Finished difference Result 612 states and 782 transitions.
[2024-12-02 13:51:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-02 13:51:27,021 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40
[2024-12-02 13:51:27,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:27,023 INFO L225 Difference]: With dead ends: 612
[2024-12-02 13:51:27,023 INFO L226 Difference]: Without dead ends: 472
[2024-12-02 13:51:27,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=168, Unknown=0, NotChecked=0, Total=272
[2024-12-02 13:51:27,024 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 271 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:27,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 384 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:51:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states.
[2024-12-02 13:51:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 188.
[2024-12-02 13:51:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 163 states have (on average 1.3558282208588956) internal successors, (221), 179 states have internal predecessors, (221), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 229 transitions.
[2024-12-02 13:51:27,039 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 229 transitions. Word has length 40
[2024-12-02 13:51:27,039 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:27,039 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 229 transitions.
[2024-12-02 13:51:27,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-12-02 13:51:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 229 transitions.
[2024-12-02 13:51:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-12-02 13:51:27,040 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:27,040 INFO L218 NwaCegarLoop]: trace histogram [4, 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]
[2024-12-02 13:51:27,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 13:51:27,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:27,241 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:27,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:27,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1290477079, now seen corresponding path program 1 times
[2024-12-02 13:51:27,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:27,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815737340]
[2024-12-02 13:51:27,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:27,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 13:51:27,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:27,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815737340]
[2024-12-02 13:51:27,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815737340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:27,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:27,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:27,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185335745]
[2024-12-02 13:51:27,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:27,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:27,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:27,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:27,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:27,308 INFO L87 Difference]: Start difference. First operand 188 states and 229 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:27,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:27,408 INFO L93 Difference]: Finished difference Result 192 states and 232 transitions.
[2024-12-02 13:51:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:27,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45
[2024-12-02 13:51:27,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:27,409 INFO L225 Difference]: With dead ends: 192
[2024-12-02 13:51:27,409 INFO L226 Difference]: Without dead ends: 189
[2024-12-02 13:51:27,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:27,410 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 119 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:27,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 298 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:27,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2024-12-02 13:51:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 178.
[2024-12-02 13:51:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 169 states have internal predecessors, (209), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 217 transitions.
[2024-12-02 13:51:27,422 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 217 transitions. Word has length 45
[2024-12-02 13:51:27,422 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:27,422 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 217 transitions.
[2024-12-02 13:51:27,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 217 transitions.
[2024-12-02 13:51:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-12-02 13:51:27,423 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:27,423 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:27,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 13:51:27,423 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:27,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1289616921, now seen corresponding path program 1 times
[2024-12-02 13:51:27,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:27,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361473188]
[2024-12-02 13:51:27,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 13:51:27,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:27,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361473188]
[2024-12-02 13:51:27,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361473188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:27,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:27,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:27,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389947991]
[2024-12-02 13:51:27,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:27,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:27,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:27,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:27,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:27,483 INFO L87 Difference]: Start difference. First operand 178 states and 217 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:27,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:27,565 INFO L93 Difference]: Finished difference Result 186 states and 226 transitions.
[2024-12-02 13:51:27,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:27,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45
[2024-12-02 13:51:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:27,566 INFO L225 Difference]: With dead ends: 186
[2024-12-02 13:51:27,566 INFO L226 Difference]: Without dead ends: 184
[2024-12-02 13:51:27,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:27,567 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 128 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:27,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 290 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-12-02 13:51:27,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 168.
[2024-12-02 13:51:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 148 states have (on average 1.337837837837838) internal successors, (198), 159 states have internal predecessors, (198), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions.
[2024-12-02 13:51:27,579 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 45
[2024-12-02 13:51:27,579 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:27,579 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions.
[2024-12-02 13:51:27,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions.
[2024-12-02 13:51:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-12-02 13:51:27,580 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:27,580 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 13:51:27,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 13:51:27,581 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:27,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1610979928, now seen corresponding path program 1 times
[2024-12-02 13:51:27,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:27,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944976434]
[2024-12-02 13:51:27,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-02 13:51:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:27,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944976434]
[2024-12-02 13:51:27,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944976434] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:27,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:27,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:27,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377258903]
[2024-12-02 13:51:27,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:27,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:27,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:27,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:27,658 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:27,716 INFO L93 Difference]: Finished difference Result 318 states and 390 transitions.
[2024-12-02 13:51:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 13:51:27,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45
[2024-12-02 13:51:27,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:27,717 INFO L225 Difference]: With dead ends: 318
[2024-12-02 13:51:27,717 INFO L226 Difference]: Without dead ends: 191
[2024-12-02 13:51:27,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:27,718 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 10 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:27,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 278 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:51:27,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-12-02 13:51:27,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 164.
[2024-12-02 13:51:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.3263888888888888) internal successors, (191), 155 states have internal predecessors, (191), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions.
[2024-12-02 13:51:27,731 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 45
[2024-12-02 13:51:27,731 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:27,731 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions.
[2024-12-02 13:51:27,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions.
[2024-12-02 13:51:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-12-02 13:51:27,732 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:27,732 INFO L218 NwaCegarLoop]: trace histogram [3, 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]
[2024-12-02 13:51:27,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 13:51:27,732 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:27,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:27,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1022806751, now seen corresponding path program 1 times
[2024-12-02 13:51:27,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:27,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473210470]
[2024-12-02 13:51:27,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:27,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:27,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473210470]
[2024-12-02 13:51:27,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473210470] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:27,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:27,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:51:27,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301724730]
[2024-12-02 13:51:27,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:27,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:51:27,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:27,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:51:27,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:51:27,841 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:27,942 INFO L93 Difference]: Finished difference Result 367 states and 443 transitions.
[2024-12-02 13:51:27,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:51:27,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46
[2024-12-02 13:51:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:27,944 INFO L225 Difference]: With dead ends: 367
[2024-12-02 13:51:27,944 INFO L226 Difference]: Without dead ends: 241
[2024-12-02 13:51:27,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:51:27,945 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 49 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:27,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 243 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:51:27,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2024-12-02 13:51:27,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 164.
[2024-12-02 13:51:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.3194444444444444) internal successors, (190), 155 states have internal predecessors, (190), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 198 transitions.
[2024-12-02 13:51:27,960 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 198 transitions. Word has length 46
[2024-12-02 13:51:27,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:27,960 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 198 transitions.
[2024-12-02 13:51:27,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:51:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 198 transitions.
[2024-12-02 13:51:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-12-02 13:51:27,961 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:27,961 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 13:51:27,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 13:51:27,962 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:27,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:27,962 INFO L85 PathProgramCache]: Analyzing trace with hash 866409212, now seen corresponding path program 1 times
[2024-12-02 13:51:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:27,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759203167]
[2024-12-02 13:51:27,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:28,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:28,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759203167]
[2024-12-02 13:51:28,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759203167] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:28,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156573002]
[2024-12-02 13:51:28,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:28,132 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:28,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 13:51:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:28,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:28,194 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:28,495 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:28,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156573002] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:28,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:28,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 19
[2024-12-02 13:51:28,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609308167]
[2024-12-02 13:51:28,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:28,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-12-02 13:51:28,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:28,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-12-02 13:51:28,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342
[2024-12-02 13:51:28,772 INFO L87 Difference]: Start difference. First operand 164 states and 198 transitions. Second operand has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:29,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:29,391 INFO L93 Difference]: Finished difference Result 485 states and 581 transitions.
[2024-12-02 13:51:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-12-02 13:51:29,392 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50
[2024-12-02 13:51:29,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:29,394 INFO L225 Difference]: With dead ends: 485
[2024-12-02 13:51:29,394 INFO L226 Difference]: Without dead ends: 343
[2024-12-02 13:51:29,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=416, Unknown=0, NotChecked=0, Total=650
[2024-12-02 13:51:29,396 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 131 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:29,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 672 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:51:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states.
[2024-12-02 13:51:29,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 164.
[2024-12-02 13:51:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.2916666666666667) internal successors, (186), 155 states have internal predecessors, (186), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions.
[2024-12-02 13:51:29,421 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 50
[2024-12-02 13:51:29,421 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:29,422 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions.
[2024-12-02 13:51:29,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions.
[2024-12-02 13:51:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-12-02 13:51:29,422 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:29,423 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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]
[2024-12-02 13:51:29,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 13:51:29,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:29,623 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:29,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:29,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1013648009, now seen corresponding path program 1 times
[2024-12-02 13:51:29,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:29,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499228164]
[2024-12-02 13:51:29,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:29,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:29,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499228164]
[2024-12-02 13:51:29,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499228164] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:29,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349016425]
[2024-12-02 13:51:29,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:29,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:29,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:29,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:29,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 13:51:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:29,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:29,883 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:29,995 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:30,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349016425] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:30,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:30,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26
[2024-12-02 13:51:30,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664328915]
[2024-12-02 13:51:30,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:30,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-12-02 13:51:30,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:30,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-12-02 13:51:30,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=420, Unknown=0, NotChecked=0, Total=650
[2024-12-02 13:51:30,287 INFO L87 Difference]: Start difference. First operand 164 states and 194 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 13:51:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:30,785 INFO L93 Difference]: Finished difference Result 906 states and 1140 transitions.
[2024-12-02 13:51:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-12-02 13:51:30,786 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 56
[2024-12-02 13:51:30,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:30,789 INFO L225 Difference]: With dead ends: 906
[2024-12-02 13:51:30,789 INFO L226 Difference]: Without dead ends: 790
[2024-12-02 13:51:30,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=508, Unknown=0, NotChecked=0, Total=812
[2024-12-02 13:51:30,791 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 437 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:30,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 670 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:51:30,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states.
[2024-12-02 13:51:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 196.
[2024-12-02 13:51:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 176 states have (on average 1.2840909090909092) internal successors, (226), 187 states have internal predecessors, (226), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 234 transitions.
[2024-12-02 13:51:30,806 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 234 transitions. Word has length 56
[2024-12-02 13:51:30,806 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:30,806 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 234 transitions.
[2024-12-02 13:51:30,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 13:51:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 234 transitions.
[2024-12-02 13:51:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-12-02 13:51:30,807 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:30,807 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:30,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 13:51:31,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:31,007 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:31,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:31,008 INFO L85 PathProgramCache]: Analyzing trace with hash 394820456, now seen corresponding path program 2 times
[2024-12-02 13:51:31,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:31,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897902534]
[2024-12-02 13:51:31,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:51:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:31,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:51:31,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:31,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:31,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897902534]
[2024-12-02 13:51:31,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897902534] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:31,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523114181]
[2024-12-02 13:51:31,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:51:31,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:31,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:31,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:31,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 13:51:31,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:51:31,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:31,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:31,418 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:32,567 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:33,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523114181] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:33,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:33,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 15] total 36
[2024-12-02 13:51:33,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143200818]
[2024-12-02 13:51:33,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:33,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2024-12-02 13:51:33,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:33,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2024-12-02 13:51:33,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=877, Unknown=0, NotChecked=0, Total=1260
[2024-12-02 13:51:33,764 INFO L87 Difference]: Start difference. First operand 196 states and 234 transitions. Second operand has 36 states, 36 states have (on average 3.611111111111111) internal successors, (130), 36 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:38,771 INFO L93 Difference]: Finished difference Result 649 states and 781 transitions.
[2024-12-02 13:51:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-12-02 13:51:38,772 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.611111111111111) internal successors, (130), 36 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 66
[2024-12-02 13:51:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:38,774 INFO L225 Difference]: With dead ends: 649
[2024-12-02 13:51:38,774 INFO L226 Difference]: Without dead ends: 505
[2024-12-02 13:51:38,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=794, Invalid=1656, Unknown=0, NotChecked=0, Total=2450
[2024-12-02 13:51:38,775 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 497 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:38,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1175 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-12-02 13:51:38,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states.
[2024-12-02 13:51:38,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 196.
[2024-12-02 13:51:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 187 states have internal predecessors, (218), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 226 transitions.
[2024-12-02 13:51:38,800 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 226 transitions. Word has length 66
[2024-12-02 13:51:38,800 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:38,800 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 226 transitions.
[2024-12-02 13:51:38,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.611111111111111) internal successors, (130), 36 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:51:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 226 transitions.
[2024-12-02 13:51:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2024-12-02 13:51:38,801 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:38,801 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 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]
[2024-12-02 13:51:38,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 13:51:39,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:39,001 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:39,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:39,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1590751585, now seen corresponding path program 2 times
[2024-12-02 13:51:39,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:39,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184393360]
[2024-12-02 13:51:39,002 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:51:39,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:39,017 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:51:39,017 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:39,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:39,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184393360]
[2024-12-02 13:51:39,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184393360] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:39,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762480891]
[2024-12-02 13:51:39,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:51:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:39,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:39,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:39,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 13:51:39,466 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:51:39,466 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:39,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:39,469 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:39,694 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:40,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762480891] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:40,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:40,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 50
[2024-12-02 13:51:40,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340122296]
[2024-12-02 13:51:40,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:40,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-12-02 13:51:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:40,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-12-02 13:51:40,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=846, Invalid=1604, Unknown=0, NotChecked=0, Total=2450
[2024-12-02 13:51:40,293 INFO L87 Difference]: Start difference. First operand 196 states and 226 transitions. Second operand has 50 states, 50 states have (on average 4.14) internal successors, (207), 50 states have internal predecessors, (207), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 13:51:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:41,007 INFO L93 Difference]: Finished difference Result 1578 states and 2004 transitions.
[2024-12-02 13:51:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2024-12-02 13:51:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.14) internal successors, (207), 50 states have internal predecessors, (207), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 88
[2024-12-02 13:51:41,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:41,012 INFO L225 Difference]: With dead ends: 1578
[2024-12-02 13:51:41,012 INFO L226 Difference]: Without dead ends: 1462
[2024-12-02 13:51:41,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=992, Invalid=1764, Unknown=0, NotChecked=0, Total=2756
[2024-12-02 13:51:41,014 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 1333 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:41,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 926 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:51:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states.
[2024-12-02 13:51:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 260.
[2024-12-02 13:51:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 240 states have (on average 1.2416666666666667) internal successors, (298), 251 states have internal predecessors, (298), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:51:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 306 transitions.
[2024-12-02 13:51:41,037 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 306 transitions. Word has length 88
[2024-12-02 13:51:41,037 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:41,037 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 306 transitions.
[2024-12-02 13:51:41,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.14) internal successors, (207), 50 states have internal predecessors, (207), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 13:51:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 306 transitions.
[2024-12-02 13:51:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-12-02 13:51:41,038 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:51:41,038 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 13, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:51:41,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 13:51:41,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:41,239 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:51:41,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:41,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1497216064, now seen corresponding path program 3 times
[2024-12-02 13:51:41,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:41,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582739653]
[2024-12-02 13:51:41,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 13:51:41,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:51:41,287 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s)
[2024-12-02 13:51:41,287 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 18 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:41,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:41,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582739653]
[2024-12-02 13:51:41,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582739653] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:51:41,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043587388]
[2024-12-02 13:51:41,829 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 13:51:41,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:51:41,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:51:41,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:51:41,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 13:51:42,100 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s)
[2024-12-02 13:51:42,100 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:51:42,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 48 conjuncts are in the unsatisfiable core
[2024-12-02 13:51:42,103 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:51:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 18 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:44,499 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:51:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 18 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:51:53,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043587388] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:51:53,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:51:53,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 33, 32] total 78
[2024-12-02 13:51:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887193468]
[2024-12-02 13:51:53,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:51:53,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states
[2024-12-02 13:51:53,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:53,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants.
[2024-12-02 13:51:53,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1827, Invalid=4179, Unknown=0, NotChecked=0, Total=6006
[2024-12-02 13:51:53,524 INFO L87 Difference]: Start difference. First operand 260 states and 306 transitions. Second operand has 78 states, 78 states have (on average 2.871794871794872) internal successors, (224), 78 states have internal predecessors, (224), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:52:14,317 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 95 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-12-02 13:52:22,852 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 89 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-12-02 13:53:31,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:31,652 INFO L93 Difference]: Finished difference Result 988 states and 1192 transitions.
[2024-12-02 13:53:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2024-12-02 13:53:31,653 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 2.871794871794872) internal successors, (224), 78 states have internal predecessors, (224), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 98
[2024-12-02 13:53:31,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:31,656 INFO L225 Difference]: With dead ends: 988
[2024-12-02 13:53:31,656 INFO L226 Difference]: Without dead ends: 846
[2024-12-02 13:53:31,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4924 ImplicationChecksByTransitivity, 76.3s TimeCoverageRelationStatistics Valid=3893, Invalid=8317, Unknown=0, NotChecked=0, Total=12210
[2024-12-02 13:53:31,659 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 981 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3614 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 3750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:31,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 3551 Invalid, 3750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3614 Invalid, 0 Unknown, 0 Unchecked, 30.5s Time]
[2024-12-02 13:53:31,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states.
[2024-12-02 13:53:31,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 260.
[2024-12-02 13:53:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 240 states have (on average 1.1791666666666667) internal successors, (283), 251 states have internal predecessors, (283), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 291 transitions.
[2024-12-02 13:53:31,688 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 291 transitions. Word has length 98
[2024-12-02 13:53:31,688 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:31,688 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 291 transitions.
[2024-12-02 13:53:31,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.871794871794872) internal successors, (224), 78 states have internal predecessors, (224), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:53:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 291 transitions.
[2024-12-02 13:53:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2024-12-02 13:53:31,689 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:31,689 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 23, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:31,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 13:53:31,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2024-12-02 13:53:31,890 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:31,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:31,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1459850318, now seen corresponding path program 4 times
[2024-12-02 13:53:31,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:53:31,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769761524]
[2024-12-02 13:53:31,891 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 13:53:31,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:53:31,962 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 13:53:31,963 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 13:53:31,963 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:53:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:53:32,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:53:32,045 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:53:32,046 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining)
[2024-12-02 13:53:32,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining)
[2024-12-02 13:53:32,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining)
[2024-12-02 13:53:32,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining)
[2024-12-02 13:53:32,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining)
[2024-12-02 13:53:32,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining)
[2024-12-02 13:53:32,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining)
[2024-12-02 13:53:32,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 13:53:32,052 INFO L422 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:32,089 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:53:32,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:53:32 BoogieIcfgContainer
[2024-12-02 13:53:32,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:53:32,092 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:53:32,092 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:53:32,092 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:53:32,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:23" (3/4) ...
[2024-12-02 13:53:32,095 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 13:53:32,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:53:32,096 INFO L158 Benchmark]: Toolchain (without parser) took 129504.41ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 117.9MB in the beginning and 292.1MB in the end (delta: -174.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB.
[2024-12-02 13:53:32,096 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:53:32,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.40ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.3MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:53:32,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.61ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:53:32,097 INFO L158 Benchmark]: Boogie Preprocessor took 36.06ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:53:32,097 INFO L158 Benchmark]: RCFGBuilder took 458.34ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 77.1MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 13:53:32,097 INFO L158 Benchmark]: TraceAbstraction took 128745.48ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 76.6MB in the beginning and 292.1MB in the end (delta: -215.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
[2024-12-02 13:53:32,097 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 385.9MB. Free memory was 292.1MB in the beginning and 292.1MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:53:32,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 223.40ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.3MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.61ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.06ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 458.34ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 77.1MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 128745.48ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 76.6MB in the beginning and 292.1MB in the end (delta: -215.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
* Witness Printer took 2.87ms. Allocated memory is still 385.9MB. Free memory was 292.1MB in the beginning and 292.1MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of bitwiseAnd at line 76.
Possible FailurePath:
[L221] unsigned int a ;
[L222] unsigned int ma = __VERIFIER_nondet_uint();
[L223] signed char ea = __VERIFIER_nondet_char();
[L224] unsigned int b ;
[L225] unsigned int mb = __VERIFIER_nondet_uint();
[L226] signed char eb = __VERIFIER_nondet_char();
[L227] unsigned int r_mul ;
[L228] unsigned int zero ;
[L229] unsigned int one ;
[L230] int sb ;
[L231] int tmp ;
[L232] int tmp___0 ;
[L233] int tmp___1 ;
[L234] int __retres16 ;
VAL [ea=0, eb=0]
[L238] CALL, EXPR base2flt(0, 0)
VAL [\old(e)=0, \old(m)=0]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=0, e=0, m=0]
[L29] COND TRUE ! m
[L30] __retres4 = 0U
VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0]
[L80] return (__retres4);
VAL [\old(e)=0, \old(m)=0, \result=0, e=0]
[L238] RET, EXPR base2flt(0, 0)
VAL [ea=0, eb=0]
[L238] zero = base2flt(0, 0)
[L239] CALL, EXPR base2flt(1, 0)
VAL [\old(e)=0, \old(m)=1]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L29] COND FALSE !(! m)
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L35] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216]
[L47] COND FALSE !(m < 1U << 24U)
VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216]
[L76] EXPR m & ~ (1U << 24U)
VAL [\old(e)=0, \old(m)=1, e=-24]
[L76] m = m & ~ (1U << 24U)
[L77] EXPR e + 128
VAL [\old(e)=0, \old(m)=1, e=-24, m=0]
[L77] EXPR (e + 128) << 24U
VAL [\old(e)=0, \old(m)=1, e=-24, m=0]
[L77] EXPR m | (unsigned int )((e + 128) << 24U)
VAL [\old(e)=0, \old(m)=1]
[L77] res = m | (unsigned int )((e + 128) << 24U)
[L78] __retres4 = res
VAL [\old(e)=0, \old(m)=1, __retres4=1744830464]
[L80] return (__retres4);
VAL [\old(e)=0, \old(m)=1, \result=1744830464]
[L239] RET, EXPR base2flt(1, 0)
VAL [ea=0, eb=0]
[L239] one = base2flt(1, 0)
[L240] CALL base2flt(ma, ea)
VAL [\old(e)=0, \old(m)=16777216]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L29] COND FALSE !(! m)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L35] COND FALSE !(m < 1U << 24U)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L59] COND FALSE !(m >= 1U << 25U)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L76] EXPR m & ~ (1U << 24U)
VAL [\old(e)=0, \old(m)=16777216, e=0]
[L76] m = m & ~ (1U << 24U)
[L77] EXPR e + 128
VAL [\old(e)=0, \old(m)=16777216, e=0, m=0]
[L77] (e + 128) << 24U
VAL [\old(e)=0, \old(m)=16777216, m=0]
- UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 120 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 128.7s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 106.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4589 SdHoareTripleChecker+Valid, 36.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4579 mSDsluCounter, 12372 SdHoareTripleChecker+Invalid, 35.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9831 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7177 IncrementalHoareTripleChecker+Invalid, 7642 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 2541 mSDtfsCounter, 7177 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1087 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7262 ImplicationChecksByTransitivity, 80.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=24, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 3408 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 1630 ConstructedInterpolants, 0 QuantifiedInterpolants, 9612 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1111 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 40 InterpolantComputations, 19 PerfectInterpolantSequences, 414/3063 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 13:53:32,310 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-12-02 13:53:32,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:53:33,983 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:53:34,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf
[2024-12-02 13:53:34,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:53:34,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:53:34,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:53:34,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:53:34,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:53:34,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:53:34,094 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:53:34,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:53:34,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:53:34,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:53:34,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:53:34,094 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:53:34,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:53:34,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:53:34,096 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:53:34,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:53:34,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:53:34,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:53:34,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:53:34,098 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa6f3ffe66f40e883b6b9462d3d92566e122af5c88e351ce665cbb8a404d0554
[2024-12-02 13:53:34,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:53:34,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:53:34,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:53:34,351 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:53:34,351 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:53:34,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/bitvector/soft_float_3.c.cil.c
[2024-12-02 13:53:36,998 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/3049e7558/22b188ca81ca4200aa12acb656aff293/FLAG01f7f1f97
[2024-12-02 13:53:37,168 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:53:37,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/sv-benchmarks/c/bitvector/soft_float_3.c.cil.c
[2024-12-02 13:53:37,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/3049e7558/22b188ca81ca4200aa12acb656aff293/FLAG01f7f1f97
[2024-12-02 13:53:37,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/data/3049e7558/22b188ca81ca4200aa12acb656aff293
[2024-12-02 13:53:37,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:53:37,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:53:37,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:53:37,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:53:37,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:53:37,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5865df44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37, skipping insertion in model container
[2024-12-02 13:53:37,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,221 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:53:37,397 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:53:37,408 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:53:37,444 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:53:37,457 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:53:37,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37 WrapperNode
[2024-12-02 13:53:37,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:53:37,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:53:37,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:53:37,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:53:37,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,498 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135
[2024-12-02 13:53:37,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:53:37,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:53:37,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:53:37,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:53:37,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,521 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].
[2024-12-02 13:53:37,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:53:37,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:53:37,540 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:53:37,540 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:53:37,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (1/1) ...
[2024-12-02 13:53:37,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:53:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:37,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:53:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:53:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:53:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 13:53:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt
[2024-12-02 13:53:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt
[2024-12-02 13:53:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:53:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:53:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 13:53:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 13:53:37,641 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:53:37,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:53:37,987 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live.
[2024-12-02 13:53:37,987 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:53:37,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:53:37,998 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 13:53:37,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:53:37 BoogieIcfgContainer
[2024-12-02 13:53:37,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:53:38,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:53:38,001 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:53:38,006 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:53:38,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:53:37" (1/3) ...
[2024-12-02 13:53:38,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fafa9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:53:38, skipping insertion in model container
[2024-12-02 13:53:38,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:53:37" (2/3) ...
[2024-12-02 13:53:38,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fafa9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:53:38, skipping insertion in model container
[2024-12-02 13:53:38,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:53:37" (3/3) ...
[2024-12-02 13:53:38,008 INFO L128 eAbstractionObserver]: Analyzing ICFG soft_float_3.c.cil.c
[2024-12-02 13:53:38,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:53:38,024 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG soft_float_3.c.cil.c that has 3 procedures, 97 locations, 1 initial locations, 2 loop locations, and 24 error locations.
[2024-12-02 13:53:38,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:53:38,077 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;@a438cef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:53:38,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-12-02 13:53:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 65 states have (on average 1.7230769230769232) internal successors, (112), 90 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 13:53:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 13:53:38,085 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:38,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:38,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:38,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1968015498, now seen corresponding path program 1 times
[2024-12-02 13:53:38,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:38,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810630598]
[2024-12-02 13:53:38,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:38,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:38,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:38,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:38,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:53:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:38,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:38,155 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:38,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:53:38,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810630598]
[2024-12-02 13:53:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810630598] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:53:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:53:38,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:53:38,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817758338]
[2024-12-02 13:53:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:53:38,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:53:38,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:38,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:53:38,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:53:38,230 INFO L87 Difference]: Start difference. First operand has 97 states, 65 states have (on average 1.7230769230769232) internal successors, (112), 90 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:53:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:38,311 INFO L93 Difference]: Finished difference Result 185 states and 249 transitions.
[2024-12-02 13:53:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:53:38,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 13:53:38,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:38,318 INFO L225 Difference]: With dead ends: 185
[2024-12-02 13:53:38,318 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 13:53:38,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:53:38,323 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 4 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:38,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 295 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:53:38,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 13:53:38,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 13:53:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 65 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions.
[2024-12-02 13:53:38,357 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 8
[2024-12-02 13:53:38,357 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:38,357 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions.
[2024-12-02 13:53:38,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:53:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions.
[2024-12-02 13:53:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 13:53:38,359 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:38,359 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:38,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:53:38,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:38,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:38,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:38,560 INFO L85 PathProgramCache]: Analyzing trace with hash 85855106, now seen corresponding path program 1 times
[2024-12-02 13:53:38,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:38,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354989212]
[2024-12-02 13:53:38,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:38,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:38,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:38,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:53:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:38,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:38,604 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:38,629 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:53:38,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354989212]
[2024-12-02 13:53:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354989212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:53:38,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:53:38,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:53:38,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236735936]
[2024-12-02 13:53:38,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:53:38,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:53:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:38,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:53:38,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:53:38,631 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:38,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:38,760 INFO L93 Difference]: Finished difference Result 176 states and 208 transitions.
[2024-12-02 13:53:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:53:38,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2024-12-02 13:53:38,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:38,763 INFO L225 Difference]: With dead ends: 176
[2024-12-02 13:53:38,763 INFO L226 Difference]: Without dead ends: 114
[2024-12-02 13:53:38,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:53:38,765 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 61 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:38,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 188 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:53:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-12-02 13:53:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104.
[2024-12-02 13:53:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 96 states have internal predecessors, (117), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions.
[2024-12-02 13:53:38,776 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 15
[2024-12-02 13:53:38,776 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:38,776 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions.
[2024-12-02 13:53:38,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions.
[2024-12-02 13:53:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 13:53:38,777 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:38,777 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:38,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:53:38,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:38,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:38,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:38,978 INFO L85 PathProgramCache]: Analyzing trace with hash -396207353, now seen corresponding path program 1 times
[2024-12-02 13:53:38,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:38,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977198560]
[2024-12-02 13:53:38,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:38,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:38,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:38,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:38,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:53:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:39,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:39,023 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:39,085 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:39,187 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:39,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977198560]
[2024-12-02 13:53:39,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977198560] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:39,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:39,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2024-12-02 13:53:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560971383]
[2024-12-02 13:53:39,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:39,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 13:53:39,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:39,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 13:53:39,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:53:39,188 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:39,591 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions.
[2024-12-02 13:53:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 13:53:39,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-12-02 13:53:39,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:39,594 INFO L225 Difference]: With dead ends: 213
[2024-12-02 13:53:39,594 INFO L226 Difference]: Without dead ends: 148
[2024-12-02 13:53:39,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2024-12-02 13:53:39,595 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 198 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:39,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 274 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:53:39,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2024-12-02 13:53:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 112.
[2024-12-02 13:53:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 92 states have (on average 1.358695652173913) internal successors, (125), 104 states have internal predecessors, (125), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions.
[2024-12-02 13:53:39,610 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 19
[2024-12-02 13:53:39,610 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:39,610 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions.
[2024-12-02 13:53:39,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions.
[2024-12-02 13:53:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 13:53:39,611 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:39,612 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:39,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:53:39,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:39,812 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:39,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1874828487, now seen corresponding path program 1 times
[2024-12-02 13:53:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:39,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684489729]
[2024-12-02 13:53:39,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:39,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:39,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:39,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:39,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 13:53:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:39,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:39,854 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:39,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:53:39,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684489729]
[2024-12-02 13:53:39,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684489729] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:53:39,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:53:39,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:53:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159569666]
[2024-12-02 13:53:39,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:53:39,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:53:39,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:39,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:53:39,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:53:39,874 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:39,923 INFO L93 Difference]: Finished difference Result 186 states and 215 transitions.
[2024-12-02 13:53:39,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:53:39,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2024-12-02 13:53:39,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:39,925 INFO L225 Difference]: With dead ends: 186
[2024-12-02 13:53:39,925 INFO L226 Difference]: Without dead ends: 102
[2024-12-02 13:53:39,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:53:39,926 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 27 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:39,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 208 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:53:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-12-02 13:53:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98.
[2024-12-02 13:53:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 90 states have internal predecessors, (105), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions.
[2024-12-02 13:53:39,937 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 20
[2024-12-02 13:53:39,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:39,937 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions.
[2024-12-02 13:53:39,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions.
[2024-12-02 13:53:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 13:53:39,938 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:39,938 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:39,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 13:53:40,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:40,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:40,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:40,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1559506259, now seen corresponding path program 1 times
[2024-12-02 13:53:40,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:40,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926114075]
[2024-12-02 13:53:40,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:40,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:40,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:40,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 13:53:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:40,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:40,179 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:40,243 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:40,406 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:40,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926114075]
[2024-12-02 13:53:40,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926114075] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:40,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:40,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12
[2024-12-02 13:53:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16092372]
[2024-12-02 13:53:40,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:40,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 13:53:40,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:40,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 13:53:40,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2024-12-02 13:53:40,408 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:40,791 INFO L93 Difference]: Finished difference Result 215 states and 250 transitions.
[2024-12-02 13:53:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-02 13:53:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2024-12-02 13:53:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:40,794 INFO L225 Difference]: With dead ends: 215
[2024-12-02 13:53:40,794 INFO L226 Difference]: Without dead ends: 139
[2024-12-02 13:53:40,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462
[2024-12-02 13:53:40,795 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 137 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:40,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 675 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:53:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2024-12-02 13:53:40,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 107.
[2024-12-02 13:53:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 99 states have internal predecessors, (116), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions.
[2024-12-02 13:53:40,810 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 24
[2024-12-02 13:53:40,810 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:40,810 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions.
[2024-12-02 13:53:40,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions.
[2024-12-02 13:53:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 13:53:40,811 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:40,811 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:40,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 13:53:41,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:41,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:41,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1763403265, now seen corresponding path program 1 times
[2024-12-02 13:53:41,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:41,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191291854]
[2024-12-02 13:53:41,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:41,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:41,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:41,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 13:53:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:41,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:41,058 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:41,127 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:41,305 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191291854]
[2024-12-02 13:53:41,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191291854] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:41,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:41,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-12-02 13:53:41,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13127897]
[2024-12-02 13:53:41,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:41,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 13:53:41,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:41,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 13:53:41,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-12-02 13:53:41,307 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:53:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:41,835 INFO L93 Difference]: Finished difference Result 250 states and 312 transitions.
[2024-12-02 13:53:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 13:53:41,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34
[2024-12-02 13:53:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:41,837 INFO L225 Difference]: With dead ends: 250
[2024-12-02 13:53:41,838 INFO L226 Difference]: Without dead ends: 183
[2024-12-02 13:53:41,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2024-12-02 13:53:41,839 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 92 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:41,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 319 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:53:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2024-12-02 13:53:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 108.
[2024-12-02 13:53:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 100 states have internal predecessors, (114), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions.
[2024-12-02 13:53:41,855 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 34
[2024-12-02 13:53:41,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:41,855 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions.
[2024-12-02 13:53:41,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:53:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions.
[2024-12-02 13:53:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 13:53:41,856 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:41,856 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:41,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 13:53:42,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:42,057 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:42,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:42,057 INFO L85 PathProgramCache]: Analyzing trace with hash 940139711, now seen corresponding path program 2 times
[2024-12-02 13:53:42,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:42,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108369044]
[2024-12-02 13:53:42,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:53:42,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:42,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:42,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 13:53:42,101 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:53:42,101 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:53:42,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:42,103 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:42,198 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:42,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108369044]
[2024-12-02 13:53:42,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108369044] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:42,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:42,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 24
[2024-12-02 13:53:42,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079214837]
[2024-12-02 13:53:42,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:42,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-02 13:53:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:42,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-02 13:53:42,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552
[2024-12-02 13:53:42,728 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:43,518 INFO L93 Difference]: Finished difference Result 253 states and 295 transitions.
[2024-12-02 13:53:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-12-02 13:53:43,518 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40
[2024-12-02 13:53:43,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:43,520 INFO L225 Difference]: With dead ends: 253
[2024-12-02 13:53:43,520 INFO L226 Difference]: Without dead ends: 183
[2024-12-02 13:53:43,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=528, Invalid=1278, Unknown=0, NotChecked=0, Total=1806
[2024-12-02 13:53:43,521 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 435 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:43,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1064 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:53:43,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2024-12-02 13:53:43,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 139.
[2024-12-02 13:53:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 119 states have (on average 1.2773109243697478) internal successors, (152), 131 states have internal predecessors, (152), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 160 transitions.
[2024-12-02 13:53:43,534 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 160 transitions. Word has length 40
[2024-12-02 13:53:43,534 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:43,534 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 160 transitions.
[2024-12-02 13:53:43,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions.
[2024-12-02 13:53:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-12-02 13:53:43,535 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:43,536 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:43,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 13:53:43,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:43,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:43,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash 550717037, now seen corresponding path program 2 times
[2024-12-02 13:53:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742662332]
[2024-12-02 13:53:43,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:53:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:43,739 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:43,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 13:53:43,780 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:53:43,780 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:53:43,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:43,782 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:43,976 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:44,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:44,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742662332]
[2024-12-02 13:53:44,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742662332] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:44,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:44,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20
[2024-12-02 13:53:44,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529405518]
[2024-12-02 13:53:44,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:44,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-12-02 13:53:44,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:44,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-12-02 13:53:44,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380
[2024-12-02 13:53:44,532 INFO L87 Difference]: Start difference. First operand 139 states and 160 transitions. Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:53:46,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:46,260 INFO L93 Difference]: Finished difference Result 362 states and 476 transitions.
[2024-12-02 13:53:46,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-12-02 13:53:46,261 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50
[2024-12-02 13:53:46,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:46,262 INFO L225 Difference]: With dead ends: 362
[2024-12-02 13:53:46,262 INFO L226 Difference]: Without dead ends: 295
[2024-12-02 13:53:46,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=240, Invalid=410, Unknown=0, NotChecked=0, Total=650
[2024-12-02 13:53:46,263 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 382 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:46,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 728 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 13:53:46,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2024-12-02 13:53:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 140.
[2024-12-02 13:53:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 120 states have (on average 1.2166666666666666) internal successors, (146), 132 states have internal predecessors, (146), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions.
[2024-12-02 13:53:46,274 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 50
[2024-12-02 13:53:46,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:46,275 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions.
[2024-12-02 13:53:46,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:53:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions.
[2024-12-02 13:53:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-12-02 13:53:46,276 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:46,276 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 13, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:46,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 13:53:46,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:46,476 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:46,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:46,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2030646377, now seen corresponding path program 3 times
[2024-12-02 13:53:46,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:46,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667887826]
[2024-12-02 13:53:46,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 13:53:46,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:46,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:46,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:46,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 13:53:46,554 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s)
[2024-12-02 13:53:46,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:53:46,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:46,561 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:46,791 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:53:47,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667887826]
[2024-12-02 13:53:47,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667887826] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:47,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:47,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35
[2024-12-02 13:53:47,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691559681]
[2024-12-02 13:53:47,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:47,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-12-02 13:53:47,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:47,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-12-02 13:53:47,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=886, Unknown=0, NotChecked=0, Total=1190
[2024-12-02 13:53:47,594 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand has 35 states, 35 states have (on average 3.657142857142857) internal successors, (128), 33 states have internal predecessors, (128), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:52,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:52,682 INFO L93 Difference]: Finished difference Result 503 states and 597 transitions.
[2024-12-02 13:53:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2024-12-02 13:53:52,683 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.657142857142857) internal successors, (128), 33 states have internal predecessors, (128), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72
[2024-12-02 13:53:52,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:52,684 INFO L225 Difference]: With dead ends: 503
[2024-12-02 13:53:52,684 INFO L226 Difference]: Without dead ends: 433
[2024-12-02 13:53:52,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2170 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2582, Invalid=6924, Unknown=0, NotChecked=0, Total=9506
[2024-12-02 13:53:52,686 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 816 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 4107 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:52,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 4107 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1632 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:53:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states.
[2024-12-02 13:53:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 203.
[2024-12-02 13:53:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.2295081967213115) internal successors, (225), 195 states have internal predecessors, (225), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions.
[2024-12-02 13:53:52,701 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 72
[2024-12-02 13:53:52,701 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:52,701 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions.
[2024-12-02 13:53:52,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.657142857142857) internal successors, (128), 33 states have internal predecessors, (128), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:53:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions.
[2024-12-02 13:53:52,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 13:53:52,702 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:52,702 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:52,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 13:53:52,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:52,903 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:52,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:52,903 INFO L85 PathProgramCache]: Analyzing trace with hash 732954437, now seen corresponding path program 3 times
[2024-12-02 13:53:52,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:52,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969177799]
[2024-12-02 13:53:52,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 13:53:52,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:52,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:52,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:52,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 13:53:52,948 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-02 13:53:52,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:53:52,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:52,950 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked.
[2024-12-02 13:53:52,991 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:53:52,991 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:52,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969177799]
[2024-12-02 13:53:52,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969177799] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:53:52,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:53:52,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:53:52,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578213930]
[2024-12-02 13:53:52,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:53:52,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:53:52,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:52,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:53:52,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:53:52,993 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:53:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:53:53,259 INFO L93 Difference]: Finished difference Result 223 states and 258 transitions.
[2024-12-02 13:53:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:53:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82
[2024-12-02 13:53:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:53:53,261 INFO L225 Difference]: With dead ends: 223
[2024-12-02 13:53:53,261 INFO L226 Difference]: Without dead ends: 219
[2024-12-02 13:53:53,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:53:53,261 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 60 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:53:53,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 145 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:53:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2024-12-02 13:53:53,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 212.
[2024-12-02 13:53:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 192 states have (on average 1.2291666666666667) internal successors, (236), 204 states have internal predecessors, (236), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:53:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions.
[2024-12-02 13:53:53,283 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 82
[2024-12-02 13:53:53,283 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:53:53,283 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions.
[2024-12-02 13:53:53,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 13:53:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions.
[2024-12-02 13:53:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-12-02 13:53:53,284 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:53:53,285 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:53:53,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 13:53:53,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:53,485 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:53:53,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:53:53,486 INFO L85 PathProgramCache]: Analyzing trace with hash -168001824, now seen corresponding path program 1 times
[2024-12-02 13:53:53,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:53:53,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155839371]
[2024-12-02 13:53:53,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:53:53,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:53:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:53:53,487 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:53:53,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 13:53:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:53:53,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-02 13:53:53,540 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:53:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:54,046 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:53:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:53:55,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:53:55,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155839371]
[2024-12-02 13:53:55,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155839371] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:53:55,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:53:55,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36
[2024-12-02 13:53:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118725604]
[2024-12-02 13:53:55,799 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:53:55,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2024-12-02 13:53:55,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:53:55,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2024-12-02 13:53:55,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260
[2024-12-02 13:53:55,801 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand has 36 states, 36 states have (on average 3.9444444444444446) internal successors, (142), 36 states have internal predecessors, (142), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:54:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:54:02,770 INFO L93 Difference]: Finished difference Result 600 states and 822 transitions.
[2024-12-02 13:54:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2024-12-02 13:54:02,771 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.9444444444444446) internal successors, (142), 36 states have internal predecessors, (142), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85
[2024-12-02 13:54:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:54:02,773 INFO L225 Difference]: With dead ends: 600
[2024-12-02 13:54:02,773 INFO L226 Difference]: Without dead ends: 524
[2024-12-02 13:54:02,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=864, Invalid=1586, Unknown=0, NotChecked=0, Total=2450
[2024-12-02 13:54:02,774 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 846 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 4091 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 4893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 4091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:54:02,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1770 Invalid, 4893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 4091 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-12-02 13:54:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states.
[2024-12-02 13:54:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 213.
[2024-12-02 13:54:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 193 states have (on average 1.150259067357513) internal successors, (222), 205 states have internal predecessors, (222), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:54:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 230 transitions.
[2024-12-02 13:54:02,791 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 230 transitions. Word has length 85
[2024-12-02 13:54:02,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:54:02,791 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 230 transitions.
[2024-12-02 13:54:02,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.9444444444444446) internal successors, (142), 36 states have internal predecessors, (142), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 13:54:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 230 transitions.
[2024-12-02 13:54:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-12-02 13:54:02,792 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:54:02,792 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 23, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:54:02,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 13:54:02,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:54:02,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:54:02,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:54:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash 198450469, now seen corresponding path program 4 times
[2024-12-02 13:54:02,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:54:02,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249420499]
[2024-12-02 13:54:02,993 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 13:54:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:54:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:54:02,995 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:54:02,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 13:54:03,063 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 13:54:03,063 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:54:03,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-02 13:54:03,069 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:54:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 2 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:54:03,542 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:54:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 2 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:54:05,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:54:05,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249420499]
[2024-12-02 13:54:05,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249420499] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:54:05,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 13:54:05,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 53
[2024-12-02 13:54:05,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261959529]
[2024-12-02 13:54:05,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:54:05,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2024-12-02 13:54:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:54:05,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2024-12-02 13:54:05,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=2131, Unknown=0, NotChecked=0, Total=2862
[2024-12-02 13:54:05,448 INFO L87 Difference]: Start difference. First operand 213 states and 230 transitions. Second operand has 54 states, 53 states have (on average 3.981132075471698) internal successors, (211), 52 states have internal predecessors, (211), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:54:28,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:54:28,601 INFO L93 Difference]: Finished difference Result 397 states and 484 transitions.
[2024-12-02 13:54:28,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states.
[2024-12-02 13:54:28,602 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 3.981132075471698) internal successors, (211), 52 states have internal predecessors, (211), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112
[2024-12-02 13:54:28,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:54:28,603 INFO L225 Difference]: With dead ends: 397
[2024-12-02 13:54:28,603 INFO L226 Difference]: Without dead ends: 392
[2024-12-02 13:54:28,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=4535, Invalid=12235, Unknown=0, NotChecked=0, Total=16770
[2024-12-02 13:54:28,606 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 678 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 3948 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 4055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:54:28,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 3103 Invalid, 4055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3948 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 13:54:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2024-12-02 13:54:28,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 310.
[2024-12-02 13:54:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 291 states have (on average 1.2474226804123711) internal successors, (363), 302 states have internal predecessors, (363), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:54:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 371 transitions.
[2024-12-02 13:54:28,658 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 371 transitions. Word has length 112
[2024-12-02 13:54:28,658 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:54:28,658 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 371 transitions.
[2024-12-02 13:54:28,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 3.981132075471698) internal successors, (211), 52 states have internal predecessors, (211), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 13:54:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 371 transitions.
[2024-12-02 13:54:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2024-12-02 13:54:28,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:54:28,659 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 23, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:54:28,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 13:54:28,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:54:28,859 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 13:54:28,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:54:28,860 INFO L85 PathProgramCache]: Analyzing trace with hash 385972683, now seen corresponding path program 1 times
[2024-12-02 13:54:28,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:54:28,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515859956]
[2024-12-02 13:54:28,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:54:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:54:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:54:28,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:54:28,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 13:54:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:54:28,925 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:54:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:54:28,984 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 13:54:28,984 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:54:28,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining)
[2024-12-02 13:54:28,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining)
[2024-12-02 13:54:28,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining)
[2024-12-02 13:54:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining)
[2024-12-02 13:54:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining)
[2024-12-02 13:54:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining)
[2024-12-02 13:54:28,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 13:54:29,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:54:29,190 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:54:29,232 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:54:29,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:54:29 BoogieIcfgContainer
[2024-12-02 13:54:29,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:54:29,235 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:54:29,235 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:54:29,235 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:54:29,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:53:37" (3/4) ...
[2024-12-02 13:54:29,236 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 13:54:29,289 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 60.
[2024-12-02 13:54:29,360 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:54:29,360 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:54:29,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:54:29,361 INFO L158 Benchmark]: Toolchain (without parser) took 52165.60ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 55.3MB in the end (delta: 14.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB.
[2024-12-02 13:54:29,361 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:54:29,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.23ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.4MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:54:29,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.91ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:54:29,362 INFO L158 Benchmark]: Boogie Preprocessor took 40.45ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 51.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:54:29,362 INFO L158 Benchmark]: RCFGBuilder took 459.08ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 62.3MB in the end (delta: -10.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB.
[2024-12-02 13:54:29,363 INFO L158 Benchmark]: TraceAbstraction took 51233.38ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 32.6MB in the end (delta: 29.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB.
[2024-12-02 13:54:29,363 INFO L158 Benchmark]: Witness Printer took 125.81ms. Allocated memory is still 92.3MB. Free memory was 32.6MB in the beginning and 55.3MB in the end (delta: -22.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB.
[2024-12-02 13:54:29,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 261.23ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.4MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.91ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.45ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 51.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 459.08ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 62.3MB in the end (delta: -10.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 51233.38ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 32.6MB in the end (delta: 29.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB.
* Witness Printer took 125.81ms. Allocated memory is still 92.3MB. Free memory was 32.6MB in the beginning and 55.3MB in the end (delta: -22.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 77]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L221] unsigned int a ;
[L222] unsigned int ma = __VERIFIER_nondet_uint();
[L223] signed char ea = __VERIFIER_nondet_char();
[L224] unsigned int b ;
[L225] unsigned int mb = __VERIFIER_nondet_uint();
[L226] signed char eb = __VERIFIER_nondet_char();
[L227] unsigned int r_mul ;
[L228] unsigned int zero ;
[L229] unsigned int one ;
[L230] int sb ;
[L231] int tmp ;
[L232] int tmp___0 ;
[L233] int tmp___1 ;
[L234] int __retres16 ;
[L238] CALL, EXPR base2flt(0, 0)
VAL [\old(e)=0, \old(m)=0]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=0, e=0, m=0]
[L29] COND TRUE ! m
[L30] __retres4 = 0U
VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0]
[L80] return (__retres4);
VAL [\old(e)=0, \old(m)=0, \result=0, e=0]
[L238] RET, EXPR base2flt(0, 0)
[L238] zero = base2flt(0, 0)
[L239] CALL, EXPR base2flt(1, 0)
VAL [\old(e)=0, \old(m)=1]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L29] COND FALSE !(! m)
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L35] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=0, m=1]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-1, m=2]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-2, m=4]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-3, m=8]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-4, m=16]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-5, m=32]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-6, m=64]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-7, m=128]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-8, m=256]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-9, m=512]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-10, m=1024]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-11, m=2048]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-12, m=4096]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-13, m=8192]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-14, m=16384]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-15, m=32768]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-16, m=65536]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-17, m=131072]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-18, m=262144]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-19, m=524288]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L47] COND TRUE m < 1U << 24U
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L39] COND FALSE !(e <= -128)
VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608]
[L45] EXPR e - 1
[L45] e = e - 1
[L46] m = m << 1U
VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216]
[L47] COND FALSE !(m < 1U << 24U)
VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216]
[L76] m = m & ~ (1U << 24U)
VAL [\old(e)=0, \old(m)=1, e=-24, m=0]
[L77] EXPR e + 128
VAL [\old(e)=0, \old(m)=1, e=-24, m=0]
[L77] EXPR (e + 128) << 24U
[L77] res = m | (unsigned int )((e + 128) << 24U)
[L78] __retres4 = res
VAL [\old(e)=0, \old(m)=1, __retres4=1744830464]
[L80] return (__retres4);
VAL [\old(e)=0, \old(m)=1, \result=1744830464]
[L239] RET, EXPR base2flt(1, 0)
[L239] one = base2flt(1, 0)
[L240] CALL base2flt(ma, ea)
VAL [\old(e)=0, \old(m)=16777216]
[L25] unsigned int res ;
[L26] unsigned int __retres4 ;
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L29] COND FALSE !(! m)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L35] COND FALSE !(m < 1U << 24U)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L59] COND FALSE !(m >= 1U << 25U)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216]
[L76] m = m & ~ (1U << 24U)
VAL [\old(e)=0, \old(m)=16777216, e=0, m=0]
[L77] EXPR e + 128
VAL [\old(e)=0, \old(m)=16777216, e=0, m=0]
[L77] (e + 128) << 24U
VAL [\old(e)=0, \old(m)=16777216, m=0]
- UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 97 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 51.1s, OverallIterations: 13, TraceHistogramMax: 24, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 39.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3736 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3736 mSDsluCounter, 12876 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11745 mSDsCounter, 1314 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11959 IncrementalHoareTripleChecker+Invalid, 13273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1314 mSolverCounterUnsat, 1131 mSDtfsCounter, 11959 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1233 GetRequests, 841 SyntacticMatches, 0 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4796 ImplicationChecksByTransitivity, 33.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=12, InterpolantAutomatonStates: 282, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 986 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 691 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 977 ConstructedInterpolants, 7 QuantifiedInterpolants, 7036 SizeOfPredicates, 9 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 472/4440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 13:54:29,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa900447-2e6e-4766-b57f-786c588e986b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)