./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.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_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/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_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/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_75458205-b009-4458-ac6a-e84b9aabea55/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 b63b7ff6572e9a0a2b1c55134bda19bbc388077099b845df6f31e10a08695ebb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:17:56,277 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:17:56,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 07:17:56,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:17:56,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:17:56,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:17:56,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:17:56,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:17:56,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:17:56,357 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:17:56,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:17:56,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:17:56,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:17:56,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:17:56,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:17:56,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:17:56,359 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:17:56,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:17:56,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:17:56,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:17:56,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:17:56,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:17:56,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:17:56,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:17:56,361 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_75458205-b009-4458-ac6a-e84b9aabea55/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 -> b63b7ff6572e9a0a2b1c55134bda19bbc388077099b845df6f31e10a08695ebb
[2024-12-02 07:17:56,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:17:56,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:17:56,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:17:56,599 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:17:56,600 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:17:56,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c
[2024-12-02 07:17:59,306 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/data/297210677/2696d4bb85a64e5fbaf076a115323d33/FLAGed9651ada
[2024-12-02 07:17:59,467 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:17:59,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c
[2024-12-02 07:17:59,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/data/297210677/2696d4bb85a64e5fbaf076a115323d33/FLAGed9651ada
[2024-12-02 07:17:59,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/data/297210677/2696d4bb85a64e5fbaf076a115323d33
[2024-12-02 07:17:59,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:17:59,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:17:59,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:17:59,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:17:59,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:17:59,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7f9f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59, skipping insertion in model container
[2024-12-02 07:17:59,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,513 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:17:59,657 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:17:59,666 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:17:59,682 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:17:59,695 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:17:59,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59 WrapperNode
[2024-12-02 07:17:59,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:17:59,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:17:59,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:17:59,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:17:59,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,726 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71
[2024-12-02 07:17:59,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:17:59,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:17:59,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:17:59,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:17:59,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,748 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 07:17:59,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:17:59,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:17:59,759 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:17:59,759 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:17:59,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (1/1) ...
[2024-12-02 07:17:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:17:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:17:59,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:17:59,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:17:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:17:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:17:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:17:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:17:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 07:17:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 07:17:59,873 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:17:59,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:18:00,088 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live.
[2024-12-02 07:18:00,088 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:18:00,098 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:18:00,098 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 07:18:00,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:18:00 BoogieIcfgContainer
[2024-12-02 07:18:00,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:18:00,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:18:00,100 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:18:00,103 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:18:00,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:17:59" (1/3) ...
[2024-12-02 07:18:00,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b6d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:18:00, skipping insertion in model container
[2024-12-02 07:18:00,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:59" (2/3) ...
[2024-12-02 07:18:00,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b6d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:18:00, skipping insertion in model container
[2024-12-02 07:18:00,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:18:00" (3/3) ...
[2024-12-02 07:18:00,105 INFO L128 eAbstractionObserver]: Analyzing ICFG geo1-u2_unwindbound20.c
[2024-12-02 07:18:00,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:18:00,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo1-u2_unwindbound20.c that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 24 error locations.
[2024-12-02 07:18:00,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:18:00,173 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;@5034ed9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:18:00,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-12-02 07:18:00,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-12-02 07:18:00,181 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:00,182 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-12-02 07:18:00,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:00,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times
[2024-12-02 07:18:00,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:00,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220997114]
[2024-12-02 07:18:00,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:00,330 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 07:18:00,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220997114]
[2024-12-02 07:18:00,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220997114] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:00,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:00,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:18:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592804700]
[2024-12-02 07:18:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:00,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:00,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:00,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:00,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:00,349 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:00,404 INFO L93 Difference]: Finished difference Result 126 states and 137 transitions.
[2024-12-02 07:18:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:18:00,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-12-02 07:18:00,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:00,410 INFO L225 Difference]: With dead ends: 126
[2024-12-02 07:18:00,410 INFO L226 Difference]: Without dead ends: 57
[2024-12-02 07:18:00,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 07:18:00,415 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 64 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:00,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 116 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:18:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-12-02 07:18:00,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-12-02 07:18:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.75) internal successors, (56), 54 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions.
[2024-12-02 07:18:00,445 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 4
[2024-12-02 07:18:00,445 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:00,445 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions.
[2024-12-02 07:18:00,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions.
[2024-12-02 07:18:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 07:18:00,446 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:00,446 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 07:18:00,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:18:00,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:00,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times
[2024-12-02 07:18:00,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:00,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947112829]
[2024-12-02 07:18:00,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:00,496 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 07:18:00,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:00,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947112829]
[2024-12-02 07:18:00,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947112829] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:00,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:00,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:18:00,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219192867]
[2024-12-02 07:18:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:00,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:00,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:00,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:00,499 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:00,537 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions.
[2024-12-02 07:18:00,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:18:00,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-12-02 07:18:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:00,538 INFO L225 Difference]: With dead ends: 74
[2024-12-02 07:18:00,538 INFO L226 Difference]: Without dead ends: 61
[2024-12-02 07:18:00,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 07:18:00,539 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 3 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:00,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 158 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:18:00,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-12-02 07:18:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-12-02 07:18:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 58 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions.
[2024-12-02 07:18:00,553 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 5
[2024-12-02 07:18:00,553 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:00,553 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions.
[2024-12-02 07:18:00,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions.
[2024-12-02 07:18:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 07:18:00,554 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:00,554 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:18:00,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:18:00,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:00,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times
[2024-12-02 07:18:00,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:00,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726380703]
[2024-12-02 07:18:00,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 07:18:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108943147]
[2024-12-02 07:18:00,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:00,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:18:00,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:18:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 07:18:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:00,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 07:18:00,607 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:18:00,621 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 07:18:00,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:18:00,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:00,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726380703]
[2024-12-02 07:18:00,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 07:18:00,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108943147]
[2024-12-02 07:18:00,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108943147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:00,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:00,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:18:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418349313]
[2024-12-02 07:18:00,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:00,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:18:00,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:00,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:18:00,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:18:00,624 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:00,724 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions.
[2024-12-02 07:18:00,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:18:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-12-02 07:18:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:00,726 INFO L225 Difference]: With dead ends: 91
[2024-12-02 07:18:00,726 INFO L226 Difference]: Without dead ends: 81
[2024-12-02 07:18:00,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:18:00,727 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:00,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 62 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:18:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-12-02 07:18:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79.
[2024-12-02 07:18:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions.
[2024-12-02 07:18:00,733 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 7
[2024-12-02 07:18:00,734 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:00,734 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions.
[2024-12-02 07:18:00,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions.
[2024-12-02 07:18:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 07:18:00,734 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:00,734 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:18:00,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 07:18:00,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-12-02 07:18:00,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:00,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -786633395, now seen corresponding path program 1 times
[2024-12-02 07:18:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:00,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526684177]
[2024-12-02 07:18:00,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 07:18:00,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1656917728]
[2024-12-02 07:18:00,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:00,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:00,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:18:00,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:18:00,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 07:18:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:00,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 07:18:00,984 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:18:01,056 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 07:18:01,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:18:01,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526684177]
[2024-12-02 07:18:01,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 07:18:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656917728]
[2024-12-02 07:18:01,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656917728] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:01,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:01,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:18:01,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634686454]
[2024-12-02 07:18:01,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:01,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:18:01,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:01,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:18:01,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:18:01,058 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:01,143 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions.
[2024-12-02 07:18:01,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:18:01,144 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-02 07:18:01,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:01,144 INFO L225 Difference]: With dead ends: 83
[2024-12-02 07:18:01,144 INFO L226 Difference]: Without dead ends: 81
[2024-12-02 07:18:01,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 07:18:01,145 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:01,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:18:01,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-12-02 07:18:01,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79.
[2024-12-02 07:18:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.5471698113207548) internal successors, (82), 75 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions.
[2024-12-02 07:18:01,153 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 11
[2024-12-02 07:18:01,153 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:01,153 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions.
[2024-12-02 07:18:01,153 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions.
[2024-12-02 07:18:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 07:18:01,154 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:01,154 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:18:01,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 07:18:01,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:01,354 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:01,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:01,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1384168589, now seen corresponding path program 1 times
[2024-12-02 07:18:01,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:01,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313651156]
[2024-12-02 07:18:01,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:01,465 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 07:18:01,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:01,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313651156]
[2024-12-02 07:18:01,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313651156] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:01,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:01,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:18:01,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721718203]
[2024-12-02 07:18:01,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:01,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:01,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:01,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:01,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:01,467 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:01,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:01,558 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions.
[2024-12-02 07:18:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:18:01,558 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-12-02 07:18:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:01,559 INFO L225 Difference]: With dead ends: 83
[2024-12-02 07:18:01,559 INFO L226 Difference]: Without dead ends: 81
[2024-12-02 07:18:01,559 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 07:18:01,560 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 30 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:01,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 62 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:18:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-12-02 07:18:01,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79.
[2024-12-02 07:18:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.509433962264151) internal successors, (80), 75 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions.
[2024-12-02 07:18:01,566 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 12
[2024-12-02 07:18:01,566 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:01,566 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions.
[2024-12-02 07:18:01,567 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:18:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions.
[2024-12-02 07:18:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 07:18:01,567 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:01,567 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:18:01,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:18:01,568 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:01,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:01,568 INFO L85 PathProgramCache]: Analyzing trace with hash -931407821, now seen corresponding path program 1 times
[2024-12-02 07:18:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426772760]
[2024-12-02 07:18:01,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:01,635 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 07:18:01,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426772760]
[2024-12-02 07:18:01,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426772760] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:01,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:01,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:18:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745158918]
[2024-12-02 07:18:01,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:01,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:18:01,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:01,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:18:01,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:18:01,637 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:01,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:01,653 INFO L93 Difference]: Finished difference Result 81 states and 84 transitions.
[2024-12-02 07:18:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:18:01,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21
[2024-12-02 07:18:01,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:01,654 INFO L225 Difference]: With dead ends: 81
[2024-12-02 07:18:01,654 INFO L226 Difference]: Without dead ends: 79
[2024-12-02 07:18:01,655 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 07:18:01,655 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:01,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 105 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:18:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-12-02 07:18:01,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2024-12-02 07:18:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.471698113207547) internal successors, (78), 75 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions.
[2024-12-02 07:18:01,661 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 21
[2024-12-02 07:18:01,662 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:01,662 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions.
[2024-12-02 07:18:01,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions.
[2024-12-02 07:18:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 07:18:01,663 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:01,663 INFO L218 NwaCegarLoop]: trace histogram [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 07:18:01,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:18:01,664 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:01,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1729756822, now seen corresponding path program 1 times
[2024-12-02 07:18:01,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:01,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040973636]
[2024-12-02 07:18:01,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:01,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:01,738 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 07:18:01,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:01,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040973636]
[2024-12-02 07:18:01,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040973636] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:01,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:01,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:18:01,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867465723]
[2024-12-02 07:18:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:01,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:01,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:01,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:01,740 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:02,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:02,028 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions.
[2024-12-02 07:18:02,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:18:02,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-12-02 07:18:02,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:02,029 INFO L225 Difference]: With dead ends: 79
[2024-12-02 07:18:02,029 INFO L226 Difference]: Without dead ends: 78
[2024-12-02 07:18:02,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:18:02,030 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 42 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:02,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 76 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:18:02,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-12-02 07:18:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2024-12-02 07:18:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 74 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions.
[2024-12-02 07:18:02,038 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 23
[2024-12-02 07:18:02,038 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:02,038 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions.
[2024-12-02 07:18:02,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions.
[2024-12-02 07:18:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 07:18:02,039 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:02,039 INFO L218 NwaCegarLoop]: trace histogram [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 07:18:02,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:18:02,039 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:02,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2082853835, now seen corresponding path program 1 times
[2024-12-02 07:18:02,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:02,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818556072]
[2024-12-02 07:18:02,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 07:18:02,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700615851]
[2024-12-02 07:18:02,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:02,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:02,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:18:02,057 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:18:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 07:18:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:02,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 07:18:02,096 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:18:02,185 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 07:18:02,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:18:02,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:02,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818556072]
[2024-12-02 07:18:02,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 07:18:02,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700615851]
[2024-12-02 07:18:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700615851] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:02,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:18:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853958126]
[2024-12-02 07:18:02,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:02,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:02,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:02,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:02,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:02,187 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:02,277 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions.
[2024-12-02 07:18:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:18:02,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2024-12-02 07:18:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:02,278 INFO L225 Difference]: With dead ends: 83
[2024-12-02 07:18:02,278 INFO L226 Difference]: Without dead ends: 82
[2024-12-02 07:18:02,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 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 07:18:02,279 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:02,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 60 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:18:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-12-02 07:18:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80.
[2024-12-02 07:18:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 76 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions.
[2024-12-02 07:18:02,286 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 24
[2024-12-02 07:18:02,286 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:02,286 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions.
[2024-12-02 07:18:02,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions.
[2024-12-02 07:18:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 07:18:02,287 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:02,287 INFO L218 NwaCegarLoop]: trace histogram [1, 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 07:18:02,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 07:18:02,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:02,488 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:02,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash -143959348, now seen corresponding path program 1 times
[2024-12-02 07:18:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:02,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037092625]
[2024-12-02 07:18:02,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:02,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:06,636 WARN L873 $PredicateComparison]: unable to prove that (or (< |c_ULTIMATE.start_main_~y~0#1| 4294967296) (< (* |c_ULTIMATE.start_main_~x~0#1| (div (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296)) (+ 2147483649 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~x~0#1| (div |c_ULTIMATE.start_main_~z~0#1| 4294967296))))) is different from true
[2024-12-02 07:18:22,604 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 07:18:22,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:22,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037092625]
[2024-12-02 07:18:22,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037092625] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:22,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:22,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 07:18:22,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250990498]
[2024-12-02 07:18:22,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:22,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 07:18:22,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:22,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 07:18:22,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=29, Unknown=3, NotChecked=10, Total=56
[2024-12-02 07:18:22,605 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:23,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:27,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:30,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:32,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:36,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:39,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:41,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:42,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:46,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:50,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-12-02 07:18:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:50,891 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions.
[2024-12-02 07:18:50,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 07:18:50,893 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25
[2024-12-02 07:18:50,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:50,894 INFO L225 Difference]: With dead ends: 82
[2024-12-02 07:18:50,894 INFO L226 Difference]: Without dead ends: 81
[2024-12-02 07:18:50,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=19, Invalid=38, Unknown=3, NotChecked=12, Total=72
[2024-12-02 07:18:50,894 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 58 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:50,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 138 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 4 Unknown, 71 Unchecked, 28.2s Time]
[2024-12-02 07:18:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-12-02 07:18:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2024-12-02 07:18:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 77 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions.
[2024-12-02 07:18:50,902 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 25
[2024-12-02 07:18:50,903 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:50,903 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions.
[2024-12-02 07:18:50,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions.
[2024-12-02 07:18:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 07:18:50,903 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:50,903 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 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 07:18:50,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 07:18:50,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:50,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash -167772393, now seen corresponding path program 1 times
[2024-12-02 07:18:50,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:50,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744567820]
[2024-12-02 07:18:50,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:50,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:18:50,948 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 07:18:50,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:18:50,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744567820]
[2024-12-02 07:18:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744567820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:18:50,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:18:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:18:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618386743]
[2024-12-02 07:18:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:18:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:18:50,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:18:50,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:18:50,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:18:50,950 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:18:51,051 INFO L93 Difference]: Finished difference Result 81 states and 84 transitions.
[2024-12-02 07:18:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:18:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2024-12-02 07:18:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:18:51,052 INFO L225 Difference]: With dead ends: 81
[2024-12-02 07:18:51,052 INFO L226 Difference]: Without dead ends: 73
[2024-12-02 07:18:51,052 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 07:18:51,053 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 52 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:18:51,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 54 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:18:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-12-02 07:18:51,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2024-12-02 07:18:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.42) internal successors, (71), 69 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 07:18:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions.
[2024-12-02 07:18:51,060 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 26
[2024-12-02 07:18:51,060 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:18:51,060 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions.
[2024-12-02 07:18:51,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:18:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions.
[2024-12-02 07:18:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 07:18:51,060 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:18:51,061 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 07:18:51,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 07:18:51,061 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2024-12-02 07:18:51,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:18:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash -633862533, now seen corresponding path program 1 times
[2024-12-02 07:18:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:18:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67379816]
[2024-12-02 07:18:51,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:18:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 07:18:51,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599971980]
[2024-12-02 07:18:51,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:18:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:18:51,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:18:51,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 07:18:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:18:51,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:18:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:18:51,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 07:18:51,137 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 07:18:51,138 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining)
[2024-12-02 07:18:51,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining)
[2024-12-02 07:18:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining)
[2024-12-02 07:18:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining)
[2024-12-02 07:18:51,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 07:18:51,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:18:51,345 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:18:51,364 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:18:51,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:18:51 BoogieIcfgContainer
[2024-12-02 07:18:51,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:18:51,367 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:18:51,367 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:18:51,367 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:18:51,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:18:00" (3/4) ...
[2024-12-02 07:18:51,368 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 07:18:51,400 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6.
[2024-12-02 07:18:51,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:18:51,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:18:51,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:18:51,434 INFO L158 Benchmark]: Toolchain (without parser) took 51941.49ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 46.7MB in the end (delta: 45.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,434 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:18:51,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.49ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,435 INFO L158 Benchmark]: Boogie Preprocessor took 31.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:18:51,435 INFO L158 Benchmark]: RCFGBuilder took 339.97ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.1MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,435 INFO L158 Benchmark]: TraceAbstraction took 51266.47ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 51.1MB in the end (delta: 11.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,435 INFO L158 Benchmark]: Witness Printer took 66.19ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 46.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:18:51,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 202.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 29.49ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 339.97ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.1MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 51266.47ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 51.1MB in the end (delta: 11.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB.
* Witness Printer took 66.19ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 46.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 41]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L22] int counter = 0;
VAL [counter=0]
[L24] unsigned int z, k;
[L25] long long x, y, c;
[L26] z = __VERIFIER_nondet_uint()
[L27] k = __VERIFIER_nondet_uint()
[L29] x = 1
[L30] y = z
[L31] c = 1
VAL [c=1, counter=0, x=1, y=3037000500, z=3037000500]
[L33] EXPR counter++
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L33] COND TRUE counter++<20
[L34] EXPR x*z
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L34] EXPR x*z - x
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L34] EXPR x*z - x - y
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L34] EXPR x*z - x - y + 1
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0)
VAL [counter=1]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=1]
[L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0)
VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500]
[L36] COND FALSE !(!(c < k))
VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=3037000500]
[L39] EXPR c + 1
[L39] c = c + 1
VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500]
[L40] EXPR x * z
VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500]
[L40] EXPR x * z + 1
[L40] x = x * z + 1
VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=3037000500]
[L41] y * z
VAL [c=2, counter=1, k=2, x=3037000501]
- UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 41]: 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: 45]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 47]: 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 2 procedures, 65 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 51.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 29.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 891 SdHoareTripleChecker+Invalid, 28.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 71 IncrementalHoareTripleChecker+Unchecked, 455 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 546 IncrementalHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 436 mSDtfsCounter, 546 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=9, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 886 SizeOfPredicates, 0 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 07:18:51,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75458205-b009-4458-ac6a-e84b9aabea55/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)