./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9671c34313c5e47de5bd2f842db47c3009aa180bae8c949f2010db1179ac602f
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 10:41:42,843 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 10:41:42,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-26 10:41:42,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 10:41:42,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 10:41:43,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 10:41:43,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 10:41:43,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 10:41:43,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 10:41:43,047 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 10:41:43,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 10:41:43,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 10:41:43,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 10:41:43,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 10:41:43,052 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 10:41:43,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 10:41:43,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 10:41:43,053 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 10:41:43,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 10:41:43,054 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 10:41:43,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 10:41:43,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 10:41:43,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 10:41:43,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 10:41:43,057 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 10:41:43,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 10:41:43,058 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 10:41:43,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 10:41:43,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 10:41:43,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 10:41:43,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 10:41:43,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 10:41:43,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 10:41:43,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 10:41:43,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 10:41:43,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 10:41:43,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 10:41:43,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 10:41:43,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 10:41:43,064 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 10:41:43,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 10:41:43,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 10:41:43,065 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9671c34313c5e47de5bd2f842db47c3009aa180bae8c949f2010db1179ac602f
[2023-11-26 10:41:43,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 10:41:43,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 10:41:43,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 10:41:43,474 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 10:41:43,474 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 10:41:43,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c
[2023-11-26 10:41:46,848 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 10:41:47,077 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 10:41:47,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c
[2023-11-26 10:41:47,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/data/78a8913bb/d11c4300c153414887e28c20be13b995/FLAG4af840b19
[2023-11-26 10:41:47,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/data/78a8913bb/d11c4300c153414887e28c20be13b995
[2023-11-26 10:41:47,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 10:41:47,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 10:41:47,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 10:41:47,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 10:41:47,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 10:41:47,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3366f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47, skipping insertion in model container
[2023-11-26 10:41:47,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,182 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 10:41:47,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c[458,471]
[2023-11-26 10:41:47,418 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:41:47,433 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 10:41:47,451 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c[458,471]
[2023-11-26 10:41:47,477 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:41:47,498 INFO L206 MainTranslator]: Completed translation
[2023-11-26 10:41:47,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47 WrapperNode
[2023-11-26 10:41:47,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 10:41:47,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 10:41:47,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 10:41:47,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 10:41:47,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,553 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36
[2023-11-26 10:41:47,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 10:41:47,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 10:41:47,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 10:41:47,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 10:41:47,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,600 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].
[2023-11-26 10:41:47,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 10:41:47,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 10:41:47,629 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 10:41:47,630 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 10:41:47,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (1/1) ...
[2023-11-26 10:41:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 10:41:47,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:41:47,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 10:41:47,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 10:41:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 10:41:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-26 10:41:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-26 10:41:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 10:41:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 10:41:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 10:41:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-26 10:41:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-26 10:41:47,789 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 10:41:47,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 10:41:47,976 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 10:41:47,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 10:41:47,999 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-26 10:41:48,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:48 BoogieIcfgContainer
[2023-11-26 10:41:48,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 10:41:48,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 10:41:48,004 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 10:41:48,007 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 10:41:48,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:47" (1/3) ...
[2023-11-26 10:41:48,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123ecf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:48, skipping insertion in model container
[2023-11-26 10:41:48,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:47" (2/3) ...
[2023-11-26 10:41:48,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123ecf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:48, skipping insertion in model container
[2023-11-26 10:41:48,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:48" (3/3) ...
[2023-11-26 10:41:48,011 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_valuebound5.c
[2023-11-26 10:41:48,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 10:41:48,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-26 10:41:48,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 10:41:48,082 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4907a7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 10:41:48,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-26 10:41:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-26 10:41:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-26 10:41:48,125 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:41:48,126 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:41:48,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:41:48,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:41:48,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1419667615, now seen corresponding path program 1 times
[2023-11-26 10:41:48,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:41:48,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702467032]
[2023-11-26 10:41:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:48,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:41:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:41:48,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:41:48,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702467032]
[2023-11-26 10:41:48,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-11-26 10:41:48,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792948865]
[2023-11-26 10:41:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:48,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:41:48,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:41:48,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-26 10:41:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:41:48,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-26 10:41:48,441 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:41:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-26 10:41:48,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 10:41:48,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792948865] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:41:48,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:41:48,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 10:41:48,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437146560]
[2023-11-26 10:41:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:41:48,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 10:41:48,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:41:48,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 10:41:48,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 10:41:48,514 INFO L87 Difference]: Start difference. First operand has 21 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-26 10:41:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:41:48,560 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions.
[2023-11-26 10:41:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 10:41:48,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17
[2023-11-26 10:41:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:41:48,569 INFO L225 Difference]: With dead ends: 40
[2023-11-26 10:41:48,569 INFO L226 Difference]: Without dead ends: 19
[2023-11-26 10:41:48,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 10:41:48,576 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 10:41:48,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 10:41:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2023-11-26 10:41:48,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2023-11-26 10:41:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-26 10:41:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions.
[2023-11-26 10:41:48,613 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 17
[2023-11-26 10:41:48,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:41:48,614 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions.
[2023-11-26 10:41:48,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-26 10:41:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions.
[2023-11-26 10:41:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-26 10:41:48,616 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:41:48,616 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:41:48,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-26 10:41:48,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-11-26 10:41:48,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:41:48,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:41:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1758174245, now seen corresponding path program 1 times
[2023-11-26 10:41:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:41:48,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794759104]
[2023-11-26 10:41:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:41:48,842 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-26 10:41:48,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752028702]
[2023-11-26 10:41:48,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:48,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:48,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:41:48,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:41:48,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-26 10:41:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:41:48,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-26 10:41:48,935 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:41:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-26 10:41:49,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 10:41:49,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:41:49,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794759104]
[2023-11-26 10:41:49,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-26 10:41:49,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752028702]
[2023-11-26 10:41:49,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752028702] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:41:49,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:41:49,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-26 10:41:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997669605]
[2023-11-26 10:41:49,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:41:49,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-26 10:41:49,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:41:49,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-26 10:41:49,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-26 10:41:49,112 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-26 10:41:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:41:49,370 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions.
[2023-11-26 10:41:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-26 10:41:49,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2023-11-26 10:41:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:41:49,373 INFO L225 Difference]: With dead ends: 30
[2023-11-26 10:41:49,373 INFO L226 Difference]: Without dead ends: 26
[2023-11-26 10:41:49,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2023-11-26 10:41:49,375 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 10:41:49,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 68 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 10:41:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2023-11-26 10:41:49,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2023-11-26 10:41:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-26 10:41:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions.
[2023-11-26 10:41:49,385 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 17
[2023-11-26 10:41:49,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:41:49,386 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions.
[2023-11-26 10:41:49,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-26 10:41:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions.
[2023-11-26 10:41:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-26 10:41:49,387 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:41:49,388 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:41:49,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-26 10:41:49,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:49,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:41:49,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:41:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash -795669560, now seen corresponding path program 1 times
[2023-11-26 10:41:49,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:41:49,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880012641]
[2023-11-26 10:41:49,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:41:49,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-26 10:41:49,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084013320]
[2023-11-26 10:41:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:49,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:49,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:41:49,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:41:49,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-26 10:41:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:41:49,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-11-26 10:41:49,726 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:41:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-26 10:41:49,854 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 10:41:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-26 10:41:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:41:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880012641]
[2023-11-26 10:41:50,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-26 10:41:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084013320]
[2023-11-26 10:41:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084013320] provided 1 perfect and 1 imperfect interpolant sequences
[2023-11-26 10:41:50,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 10:41:50,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9
[2023-11-26 10:41:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837923490]
[2023-11-26 10:41:50,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:41:50,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 10:41:50,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:41:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 10:41:50,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2023-11-26 10:41:50,317 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-26 10:41:50,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:41:50,382 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions.
[2023-11-26 10:41:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 10:41:50,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24
[2023-11-26 10:41:50,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:41:50,384 INFO L225 Difference]: With dead ends: 32
[2023-11-26 10:41:50,384 INFO L226 Difference]: Without dead ends: 28
[2023-11-26 10:41:50,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2023-11-26 10:41:50,386 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 10:41:50,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 57 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 10:41:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2023-11-26 10:41:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2023-11-26 10:41:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-26 10:41:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions.
[2023-11-26 10:41:50,402 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 24
[2023-11-26 10:41:50,402 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:41:50,403 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions.
[2023-11-26 10:41:50,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-26 10:41:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions.
[2023-11-26 10:41:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-26 10:41:50,405 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:41:50,405 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:41:50,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-26 10:41:50,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:50,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:41:50,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:41:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1266135666, now seen corresponding path program 1 times
[2023-11-26 10:41:50,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:41:50,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971305511]
[2023-11-26 10:41:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:50,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:41:50,651 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-26 10:41:50,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204523119]
[2023-11-26 10:41:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:41:50,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:41:50,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:41:50,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:41:50,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-26 10:41:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:41:50,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-11-26 10:41:50,788 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:41:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-26 10:41:51,050 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 10:42:36,292 WARN L293 SmtUtils]: Spent 8.82s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2023-11-26 10:42:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-26 10:42:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:42:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971305511]
[2023-11-26 10:42:40,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-26 10:42:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204523119]
[2023-11-26 10:42:40,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204523119] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 10:42:40,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-26 10:42:40,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16
[2023-11-26 10:42:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646518395]
[2023-11-26 10:42:40,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-26 10:42:40,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-26 10:42:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:42:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-26 10:42:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=190, Unknown=1, NotChecked=0, Total=240
[2023-11-26 10:42:40,389 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 16 states, 12 states have (on average 2.25) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8)
[2023-11-26 10:42:45,067 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse3 (* 5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (or (= (+ |c_ULTIMATE.start_main_~y~0#1| .cse0) (+ |c_ULTIMATE.start_main_~c~0#1| (* |c_ULTIMATE.start_main_~c~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (not (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 5) .cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 11) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) 12))) (< (+ (* .cse0 10) .cse2 |c_ULTIMATE.start_main_~x~0#1| .cse3) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 18) .cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 119) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 65)) 12)))) (or (= (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~k~0#1|) .cse0) (not (= (+ .cse0 (* |c_ULTIMATE.start_main_~x~0#1| 12)) (+ (* 2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) .cse3 (* .cse2 6)))) (< |c_ULTIMATE.start_main_~c~0#1| |c_ULTIMATE.start_main_~k~0#1|)))) is different from false
[2023-11-26 10:42:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:42:45,201 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions.
[2023-11-26 10:42:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-26 10:42:45,202 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 2.25) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 35
[2023-11-26 10:42:45,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:42:45,204 INFO L225 Difference]: With dead ends: 45
[2023-11-26 10:42:45,204 INFO L226 Difference]: Without dead ends: 37
[2023-11-26 10:42:45,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 36.7s TimeCoverageRelationStatistics Valid=81, Invalid=301, Unknown=2, NotChecked=36, Total=420
[2023-11-26 10:42:45,206 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 10:42:45,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 142 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 0 Unknown, 69 Unchecked, 0.2s Time]
[2023-11-26 10:42:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2023-11-26 10:42:45,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2023-11-26 10:42:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-26 10:42:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions.
[2023-11-26 10:42:45,234 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 35
[2023-11-26 10:42:45,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:42:45,234 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions.
[2023-11-26 10:42:45,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 2.25) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8)
[2023-11-26 10:42:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions.
[2023-11-26 10:42:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-26 10:42:45,237 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:42:45,237 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:42:45,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-11-26 10:42:45,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:42:45,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:42:45,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:42:45,446 INFO L85 PathProgramCache]: Analyzing trace with hash 459274687, now seen corresponding path program 2 times
[2023-11-26 10:42:45,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:42:45,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273070103]
[2023-11-26 10:42:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:42:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:42:45,485 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-26 10:42:45,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775416128]
[2023-11-26 10:42:45,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-26 10:42:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:42:45,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:42:45,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:42:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-26 10:42:45,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-26 10:42:45,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 10:42:45,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-11-26 10:42:45,650 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:42:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2023-11-26 10:42:45,962 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 10:42:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2023-11-26 10:42:46,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:42:46,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273070103]
[2023-11-26 10:42:46,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-26 10:42:46,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775416128]
[2023-11-26 10:42:46,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775416128] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 10:42:46,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-26 10:42:46,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21
[2023-11-26 10:42:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779351555]
[2023-11-26 10:42:46,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-26 10:42:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2023-11-26 10:42:46,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:42:46,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2023-11-26 10:42:46,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420
[2023-11-26 10:42:46,388 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 13 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 14 states have call predecessors, (15), 13 states have call successors, (15)
[2023-11-26 10:42:50,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:42:50,064 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions.
[2023-11-26 10:42:50,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-11-26 10:42:50,065 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 13 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 14 states have call predecessors, (15), 13 states have call successors, (15) Word has length 56
[2023-11-26 10:42:50,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:42:50,067 INFO L225 Difference]: With dead ends: 62
[2023-11-26 10:42:50,067 INFO L226 Difference]: Without dead ends: 54
[2023-11-26 10:42:50,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=213, Invalid=909, Unknown=0, NotChecked=0, Total=1122
[2023-11-26 10:42:50,069 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 33 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-26 10:42:50,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 263 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-26 10:42:50,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-26 10:42:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52.
[2023-11-26 10:42:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-26 10:42:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2023-11-26 10:42:50,107 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 56
[2023-11-26 10:42:50,107 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:42:50,107 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2023-11-26 10:42:50,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 13 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 14 states have call predecessors, (15), 13 states have call successors, (15)
[2023-11-26 10:42:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2023-11-26 10:42:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2023-11-26 10:42:50,110 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:42:50,110 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:42:50,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2023-11-26 10:42:50,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:42:50,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:42:50,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:42:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1077833742, now seen corresponding path program 3 times
[2023-11-26 10:42:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:42:50,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457353748]
[2023-11-26 10:42:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:42:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:42:50,334 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-26 10:42:50,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856249256]
[2023-11-26 10:42:50,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-26 10:42:50,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:42:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:42:50,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:42:50,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-26 10:42:51,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s)
[2023-11-26 10:42:51,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 10:42:51,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-26 10:42:51,162 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:42:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 225 proven. 3 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2023-11-26 10:42:51,535 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 10:42:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 157 proven. 3 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked.
[2023-11-26 10:42:51,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:42:51,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457353748]
[2023-11-26 10:42:51,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-26 10:42:51,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856249256]
[2023-11-26 10:42:51,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856249256] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 10:42:51,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-26 10:42:51,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25
[2023-11-26 10:42:51,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967328830]
[2023-11-26 10:42:51,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-26 10:42:51,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2023-11-26 10:42:51,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:42:51,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2023-11-26 10:42:51,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=394, Unknown=0, NotChecked=0, Total=600
[2023-11-26 10:42:51,865 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 25 states, 25 states have (on average 2.28) internal successors, (57), 23 states have internal predecessors, (57), 22 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 21 states have call predecessors, (26), 22 states have call successors, (26)
[2023-11-26 10:42:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:42:52,002 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions.
[2023-11-26 10:42:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-26 10:42:52,003 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 23 states have internal predecessors, (57), 22 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 21 states have call predecessors, (26), 22 states have call successors, (26) Word has length 91
[2023-11-26 10:42:52,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:42:52,004 INFO L225 Difference]: With dead ends: 58
[2023-11-26 10:42:52,004 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 10:42:52,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650
[2023-11-26 10:42:52,006 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 10:42:52,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 99 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 10:42:52,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 10:42:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 10:42:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:42:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 10:42:52,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91
[2023-11-26 10:42:52,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:42:52,010 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 10:42:52,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 23 states have internal predecessors, (57), 22 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 21 states have call predecessors, (26), 22 states have call successors, (26)
[2023-11-26 10:42:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 10:42:52,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 10:42:52,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-26 10:42:52,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-26 10:42:52,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2023-11-26 10:42:52,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 10:42:53,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 10:42:53,117 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (let ((.cse1 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse0 (<= |ULTIMATE.start_main_~k~0#1| 5))) (or (and (= 276 |ULTIMATE.start_main_~x~0#1|) (= 3 |ULTIMATE.start_main_~y~0#1|) .cse0 (or (< 3 |ULTIMATE.start_main_~k~0#1|) (= 3 |ULTIMATE.start_main_~k~0#1|)) (= 3 |ULTIMATE.start_main_~c~0#1|)) (and (= 1300 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 4) (<= 4 |ULTIMATE.start_main_~k~0#1|) .cse0 (= |ULTIMATE.start_main_~c~0#1| 4)) (and (= 2 |ULTIMATE.start_main_~y~0#1|) .cse0 (= |ULTIMATE.start_main_~x~0#1| 33) (or (< 2 |ULTIMATE.start_main_~k~0#1|) (= 2 |ULTIMATE.start_main_~k~0#1|)) (= 2 |ULTIMATE.start_main_~c~0#1|)) (and .cse1 (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) .cse0 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) .cse0 (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (let ((.cse2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and .cse1 (= (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~y~0#1|) .cse2) .cse0 (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) .cse2)) (<= 5 |ULTIMATE.start_main_~c~0#1|)))))
[2023-11-26 10:42:53,117 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 28 37) no Hoare annotation was computed.
[2023-11-26 10:42:53,117 INFO L902 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: true
[2023-11-26 10:42:53,118 INFO L895 garLoopResultBuilder]: At program point L21-1(line 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 5))
[2023-11-26 10:42:53,118 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 10:42:53,118 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed.
[2023-11-26 10:42:53,119 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 37) the Hoare annotation is: (let ((.cse1 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse0 (<= |ULTIMATE.start_main_~k~0#1| 5))) (or (and (= 276 |ULTIMATE.start_main_~x~0#1|) (= 3 |ULTIMATE.start_main_~y~0#1|) .cse0 (or (< 3 |ULTIMATE.start_main_~k~0#1|) (= 3 |ULTIMATE.start_main_~k~0#1|)) (= 3 |ULTIMATE.start_main_~c~0#1|)) (and (= 1300 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 4) (<= 4 |ULTIMATE.start_main_~k~0#1|) .cse0 (= |ULTIMATE.start_main_~c~0#1| 4)) (and (= 2 |ULTIMATE.start_main_~y~0#1|) .cse0 (= |ULTIMATE.start_main_~x~0#1| 33) (or (< 2 |ULTIMATE.start_main_~k~0#1|) (= 2 |ULTIMATE.start_main_~k~0#1|)) (= 2 |ULTIMATE.start_main_~c~0#1|)) (and .cse1 (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) .cse0 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) .cse0 (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (let ((.cse2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and .cse1 (= (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~y~0#1|) .cse2) .cse0 (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) .cse2)) (<= 5 |ULTIMATE.start_main_~c~0#1|)))))
[2023-11-26 10:42:53,119 INFO L895 garLoopResultBuilder]: At program point L28-3(lines 28 37) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) .cse0))))
[2023-11-26 10:42:53,119 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed.
[2023-11-26 10:42:53,120 INFO L895 garLoopResultBuilder]: At program point L39(line 39) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) .cse0))))
[2023-11-26 10:42:53,120 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6 8) the Hoare annotation is: true
[2023-11-26 10:42:53,120 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed.
[2023-11-26 10:42:53,120 INFO L899 garLoopResultBuilder]: For program point L7-2(lines 6 8) no Hoare annotation was computed.
[2023-11-26 10:42:53,120 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed.
[2023-11-26 10:42:53,121 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed.
[2023-11-26 10:42:53,121 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed.
[2023-11-26 10:42:53,121 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed.
[2023-11-26 10:42:53,121 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true
[2023-11-26 10:42:53,121 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed.
[2023-11-26 10:42:53,122 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed.
[2023-11-26 10:42:53,125 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1]
[2023-11-26 10:42:53,128 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 10:42:53,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:42:53 BoogieIcfgContainer
[2023-11-26 10:42:53,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 10:42:53,145 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 10:42:53,145 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 10:42:53,145 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 10:42:53,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:48" (3/4) ...
[2023-11-26 10:42:53,149 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 10:42:53,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-26 10:42:53,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2023-11-26 10:42:53,158 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2023-11-26 10:42:53,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-26 10:42:53,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-26 10:42:53,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 10:42:53,258 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 10:42:53,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 10:42:53,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 10:42:53,260 INFO L158 Benchmark]: Toolchain (without parser) took 66143.70ms. Allocated memory was 134.2MB in the beginning and 226.5MB in the end (delta: 92.3MB). Free memory was 70.1MB in the beginning and 138.1MB in the end (delta: -68.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,260 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 10:42:53,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.93ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 70.0MB in the beginning and 149.8MB in the end (delta: -79.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 188.7MB. Free memory was 149.8MB in the beginning and 148.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,262 INFO L158 Benchmark]: Boogie Preprocessor took 73.00ms. Allocated memory is still 188.7MB. Free memory was 148.5MB in the beginning and 146.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,263 INFO L158 Benchmark]: RCFGBuilder took 371.51ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 135.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,263 INFO L158 Benchmark]: TraceAbstraction took 65140.99ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 135.1MB in the beginning and 142.3MB in the end (delta: -7.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,264 INFO L158 Benchmark]: Witness Printer took 114.35ms. Allocated memory is still 226.5MB. Free memory was 142.3MB in the beginning and 138.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 10:42:53,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 378.93ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 70.0MB in the beginning and 149.8MB in the end (delta: -79.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.14ms. Allocated memory is still 188.7MB. Free memory was 149.8MB in the beginning and 148.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 73.00ms. Allocated memory is still 188.7MB. Free memory was 148.5MB in the beginning and 146.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 371.51ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 135.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 65140.99ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 135.1MB in the beginning and 142.3MB in the end (delta: -7.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB.
* Witness Printer took 114.35ms. Allocated memory is still 226.5MB. Free memory was 142.3MB in the beginning and 138.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 12]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.1s, OverallIterations: 6, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 651 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 69 IncrementalHoareTripleChecker+Unchecked, 529 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 122 mSDtfsCounter, 449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 40.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=5, InterpolantAutomatonStates: 61, 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 34 PreInvPairs, 57 NumberOfFragments, 370 HoareAnnotationTreeSize, 34 FomulaSimplifications, 1043 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 536 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 51.9s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 2079 SizeOfPredicates, 13 NumberOfNonLiveVariables, 654 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 972/1048 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 28]: Loop Invariant
Derived loop invariant: ((((((((((276 == x) && (3 == y)) && (k <= 5)) && ((3 < k) || (3 == k))) && (3 == c)) || (((((1300 == x) && (y == 4)) && (4 <= k)) && (k <= 5)) && (c == 4))) || (((((2 == y) && (k <= 5)) && (x == 33)) && ((2 < k) || (2 == k))) && (2 == c))) || (((((0 <= k) && (c == 0)) && (y == 0)) && (k <= 5)) && (x == 0))) || (((((c == 1) && (x == 1)) && (k <= 5)) && (y == 1)) && (1 <= k))) || (((((0 <= k) && ((k * y) == (y * y))) && (k <= 5)) && ((((6 * ((((y * y) * y) * y) * y)) + (2 * (((((y * y) * y) * y) * y) * y))) + (5 * (((y * y) * y) * y))) == ((x * 12) + (y * y)))) && (5 <= c)))
RESULT: Ultimate proved your program to be correct!
[2023-11-26 10:42:53,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725ae645-fe73-4b14-bf18-3acd71f2d3d7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE