./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX --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 cc0f50b1e3335724e12d8f8ff753e8d68608bc02a42487f7cc093f8f08f9715b
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:06:45,395 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:06:45,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 17:06:45,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:06:45,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:06:45,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:06:45,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:06:45,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:06:45,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:06:45,563 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:06:45,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:06:45,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:06:45,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:06:45,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:06:45,566 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:06:45,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:06:45,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:06:45,568 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:06:45,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:06:45,569 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:06:45,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:06:45,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:06:45,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:06:45,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:06:45,576 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:06:45,576 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:06:45,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:06:45,577 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:06:45,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:06:45,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:06:45,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:06:45,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:06:45,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:06:45,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:06:45,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:06:45,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:06:45,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:06:45,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:06:45,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:06:45,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:06:45,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:06:45,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:06:45,593 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc0f50b1e3335724e12d8f8ff753e8d68608bc02a42487f7cc093f8f08f9715b
[2024-11-08 17:06:45,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:06:45,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:06:45,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:06:45,975 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:06:45,976 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:06:45,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i
Unable to find full path for "g++"
[2024-11-08 17:06:48,304 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:06:48,546 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:06:48,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i
[2024-11-08 17:06:48,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/dfd1578e8/a9c8f1787f0346f590b13174c3f9e9ab/FLAGccd4088fc
[2024-11-08 17:06:48,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/dfd1578e8/a9c8f1787f0346f590b13174c3f9e9ab
[2024-11-08 17:06:48,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:06:48,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:06:48,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:06:48,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:06:48,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:06:48,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ec483e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48, skipping insertion in model container
[2024-11-08 17:06:48,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,615 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:06:48,807 WARN L250 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i[915,928]
[2024-11-08 17:06:48,848 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:06:48,859 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:06:48,874 WARN L250 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i[915,928]
[2024-11-08 17:06:48,895 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:06:48,917 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:06:48,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48 WrapperNode
[2024-11-08 17:06:48,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:06:48,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:06:48,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:06:48,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:06:48,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,972 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124
[2024-11-08 17:06:48,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:06:48,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:06:48,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:06:48,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:06:48,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:48,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,004 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:06:49,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:06:49,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:06:49,030 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:06:49,030 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:06:49,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (1/1) ...
[2024-11-08 17:06:49,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:06:49,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:06:49,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:06:49,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:06:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:06:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:06:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:06:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:06:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:06:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:06:49,192 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:06:49,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:06:49,487 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-08 17:06:49,488 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:06:49,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:06:49,513 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:06:49,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:06:49 BoogieIcfgContainer
[2024-11-08 17:06:49,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:06:49,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:06:49,518 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:06:49,522 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:06:49,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:06:48" (1/3) ...
[2024-11-08 17:06:49,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32777377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:06:49, skipping insertion in model container
[2024-11-08 17:06:49,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:48" (2/3) ...
[2024-11-08 17:06:49,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32777377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:06:49, skipping insertion in model container
[2024-11-08 17:06:49,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:06:49" (3/3) ...
[2024-11-08 17:06:49,526 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-68.i
[2024-11-08 17:06:49,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:06:49,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:06:49,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:06:49,652 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ea50d54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:06:49,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:06:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 17:06:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-11-08 17:06:49,674 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:49,675 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:49,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:49,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1716308454, now seen corresponding path program 1 times
[2024-11-08 17:06:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:49,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684687185]
[2024-11-08 17:06:49,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:06:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-08 17:06:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 17:06:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 17:06:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:06:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 17:06:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:06:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-08 17:06:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:06:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:06:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:06:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 17:06:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:06:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:06:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:06:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:06:50,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684687185]
[2024-11-08 17:06:50,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684687185] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:06:50,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:06:50,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:06:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593489059]
[2024-11-08 17:06:50,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:06:50,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:06:50,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:06:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:06:50,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:06:50,146 INFO L87 Difference]: Start difference. First operand has 55 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-08 17:06:50,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:06:50,182 INFO L93 Difference]: Finished difference Result 103 states and 168 transitions.
[2024-11-08 17:06:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:06:50,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94
[2024-11-08 17:06:50,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:06:50,192 INFO L225 Difference]: With dead ends: 103
[2024-11-08 17:06:50,193 INFO L226 Difference]: Without dead ends: 51
[2024-11-08 17:06:50,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:06:50,200 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:06:50,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:06:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-08 17:06:50,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-08 17:06:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 17:06:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions.
[2024-11-08 17:06:50,247 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 94
[2024-11-08 17:06:50,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:06:50,248 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions.
[2024-11-08 17:06:50,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-08 17:06:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions.
[2024-11-08 17:06:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-11-08 17:06:50,252 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:50,253 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:50,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:06:50,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:50,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:50,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1213616098, now seen corresponding path program 1 times
[2024-11-08 17:06:50,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:50,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947455062]
[2024-11-08 17:06:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:50,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:06:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-08 17:06:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 17:06:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 17:06:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:06:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 17:06:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:06:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-08 17:06:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:06:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:06:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:06:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 17:06:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:06:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:06:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:06:50,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:06:50,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947455062]
[2024-11-08 17:06:50,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947455062] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:06:50,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:06:50,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:06:50,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821651331]
[2024-11-08 17:06:50,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:06:50,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:06:50,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:06:50,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:06:50,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:06:50,917 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:51,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:06:51,136 INFO L93 Difference]: Finished difference Result 118 states and 169 transitions.
[2024-11-08 17:06:51,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:06:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94
[2024-11-08 17:06:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:06:51,141 INFO L225 Difference]: With dead ends: 118
[2024-11-08 17:06:51,141 INFO L226 Difference]: Without dead ends: 70
[2024-11-08 17:06:51,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:06:51,143 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 20 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:06:51,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 182 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:06:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-11-08 17:06:51,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 60.
[2024-11-08 17:06:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 17:06:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions.
[2024-11-08 17:06:51,155 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 94
[2024-11-08 17:06:51,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:06:51,157 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions.
[2024-11-08 17:06:51,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions.
[2024-11-08 17:06:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-08 17:06:51,161 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:51,162 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:51,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:06:51,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:51,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1326875821, now seen corresponding path program 1 times
[2024-11-08 17:06:51,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:51,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917967010]
[2024-11-08 17:06:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:51,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:06:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-08 17:06:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 17:06:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 17:06:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:06:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 17:06:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:06:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-08 17:06:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:06:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:06:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:06:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 17:06:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:06:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:06:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-08 17:06:51,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:06:51,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917967010]
[2024-11-08 17:06:51,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917967010] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:06:51,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638508196]
[2024-11-08 17:06:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:51,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:06:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:06:51,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:06:51,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:06:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:51,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 17:06:51,797 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:06:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 165 proven. 27 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked.
[2024-11-08 17:06:52,363 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:06:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-08 17:06:52,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638508196] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:06:52,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:06:52,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 15
[2024-11-08 17:06:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091290305]
[2024-11-08 17:06:52,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:06:52,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 17:06:52,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:06:52,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 17:06:52,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2024-11-08 17:06:52,732 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42)
[2024-11-08 17:06:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:06:53,621 INFO L93 Difference]: Finished difference Result 230 states and 328 transitions.
[2024-11-08 17:06:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-08 17:06:53,621 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 95
[2024-11-08 17:06:53,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:06:53,624 INFO L225 Difference]: With dead ends: 230
[2024-11-08 17:06:53,624 INFO L226 Difference]: Without dead ends: 173
[2024-11-08 17:06:53,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650
[2024-11-08 17:06:53,629 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 148 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 17:06:53,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 342 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 17:06:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2024-11-08 17:06:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 132.
[2024-11-08 17:06:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-08 17:06:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions.
[2024-11-08 17:06:53,672 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 95
[2024-11-08 17:06:53,672 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:06:53,676 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions.
[2024-11-08 17:06:53,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42)
[2024-11-08 17:06:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions.
[2024-11-08 17:06:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-08 17:06:53,678 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:53,678 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:06:53,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:06:53,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:53,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash 50129245, now seen corresponding path program 1 times
[2024-11-08 17:06:53,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945293416]
[2024-11-08 17:06:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 17:06:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033088690]
[2024-11-08 17:06:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:53,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:06:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:06:53,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:06:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:06:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:54,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-08 17:06:54,070 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:06:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:06:54,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:06:54,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:06:54,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945293416]
[2024-11-08 17:06:54,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 17:06:54,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033088690]
[2024-11-08 17:06:54,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033088690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:06:54,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:06:54,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 17:06:54,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615129186]
[2024-11-08 17:06:54,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:06:54,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 17:06:54,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:06:54,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 17:06:54,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:06:54,550 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:06:54,885 INFO L93 Difference]: Finished difference Result 297 states and 431 transitions.
[2024-11-08 17:06:54,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:06:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 96
[2024-11-08 17:06:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:06:54,890 INFO L225 Difference]: With dead ends: 297
[2024-11-08 17:06:54,890 INFO L226 Difference]: Without dead ends: 166
[2024-11-08 17:06:54,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-08 17:06:54,893 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 21 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:06:54,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 271 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 17:06:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2024-11-08 17:06:54,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2024-11-08 17:06:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-08 17:06:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 239 transitions.
[2024-11-08 17:06:54,942 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 239 transitions. Word has length 96
[2024-11-08 17:06:54,943 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:06:54,943 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 239 transitions.
[2024-11-08 17:06:54,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions.
[2024-11-08 17:06:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-11-08 17:06:54,945 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:54,946 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:54,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 17:06:55,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:06:55,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:55,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash -618918816, now seen corresponding path program 1 times
[2024-11-08 17:06:55,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:55,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423709850]
[2024-11-08 17:06:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:06:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-08 17:06:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 17:06:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 17:06:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:06:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 17:06:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:06:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-08 17:06:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:06:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:06:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:06:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 17:06:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:06:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:06:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:06:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:06:55,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:06:55,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423709850]
[2024-11-08 17:06:55,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423709850] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:06:55,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:06:55,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 17:06:55,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049508081]
[2024-11-08 17:06:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:06:55,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 17:06:55,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:06:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 17:06:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-08 17:06:55,959 INFO L87 Difference]: Start difference. First operand 166 states and 239 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:56,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:06:56,693 INFO L93 Difference]: Finished difference Result 359 states and 507 transitions.
[2024-11-08 17:06:56,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 17:06:56,694 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 98
[2024-11-08 17:06:56,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:06:56,697 INFO L225 Difference]: With dead ends: 359
[2024-11-08 17:06:56,698 INFO L226 Difference]: Without dead ends: 230
[2024-11-08 17:06:56,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:06:56,700 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 145 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:06:56,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 415 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 17:06:56,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states.
[2024-11-08 17:06:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 209.
[2024-11-08 17:06:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 152 states have (on average 1.25) internal successors, (190), 154 states have internal predecessors, (190), 49 states have call successors, (49), 7 states have call predecessors, (49), 7 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49)
[2024-11-08 17:06:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 288 transitions.
[2024-11-08 17:06:56,769 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 288 transitions. Word has length 98
[2024-11-08 17:06:56,773 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:06:56,773 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 288 transitions.
[2024-11-08 17:06:56,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:06:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 288 transitions.
[2024-11-08 17:06:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-08 17:06:56,776 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:06:56,776 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:56,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:06:56,777 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:06:56,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:06:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 914449927, now seen corresponding path program 1 times
[2024-11-08 17:06:56,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:06:56,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109523232]
[2024-11-08 17:06:56,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:06:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 17:06:56,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018704842]
[2024-11-08 17:06:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:06:56,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:06:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:06:56,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:06:56,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:06:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:06:56,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:06:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:06:57,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:06:57,162 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:06:57,163 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:06:57,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 17:06:57,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-08 17:06:57,371 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-08 17:06:57,483 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:06:57,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:06:57 BoogieIcfgContainer
[2024-11-08 17:06:57,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:06:57,503 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:06:57,504 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:06:57,505 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:06:57,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:06:49" (3/4) ...
[2024-11-08 17:06:57,509 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:06:57,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:06:57,511 INFO L158 Benchmark]: Toolchain (without parser) took 8935.33ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.8MB in the beginning and 150.3MB in the end (delta: -30.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB.
[2024-11-08 17:06:57,511 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:06:57,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.10ms. Allocated memory is still 151.0MB. Free memory was 119.3MB in the beginning and 105.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:06:57,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.54ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:06:57,513 INFO L158 Benchmark]: Boogie Preprocessor took 53.99ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:06:57,513 INFO L158 Benchmark]: RCFGBuilder took 485.08ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 85.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:06:57,514 INFO L158 Benchmark]: TraceAbstraction took 7972.21ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.9MB in the beginning and 46.9MB in the end (delta: 38.0MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB.
[2024-11-08 17:06:57,514 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 182.5MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:06:57,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 341.10ms. Allocated memory is still 151.0MB. Free memory was 119.3MB in the beginning and 105.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 55.54ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.99ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 485.08ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 85.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 7972.21ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.9MB in the beginning and 46.9MB in the end (delta: 38.0MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB.
* Witness Printer took 7.59ms. Allocated memory is still 182.5MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of shiftRight at line 94.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] signed long int var_1_1 = 32;
[L23] float var_1_2 = 64.5;
[L24] float var_1_3 = 16.8;
[L25] signed long int var_1_8 = 10;
[L26] signed long int var_1_9 = 25;
[L27] double var_1_10 = 0.75;
[L28] signed long int var_1_11 = 2;
[L29] signed long int var_1_12 = 32;
[L30] unsigned char var_1_13 = 0;
[L31] unsigned char var_1_14 = 0;
[L32] double var_1_15 = 50.2;
[L33] signed long int last_1_var_1_9 = 25;
[L34] double last_1_var_1_10 = 0.75;
VAL [isInitial=0, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=25]
[L98] isInitial = 1
[L99] FCALL initially()
[L100] COND TRUE 1
[L101] CALL updateLastVariables()
[L90] last_1_var_1_9 = var_1_9
[L91] last_1_var_1_10 = var_1_10
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=25]
[L101] RET updateLastVariables()
[L102] CALL updateVariables()
[L66] var_1_2 = __VERIFIER_nondet_float()
[L67] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25]
[L67] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25]
[L68] var_1_3 = __VERIFIER_nondet_float()
[L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=10, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=10, var_1_9=25]
[L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=10, var_1_9=25]
[L70] var_1_8 = __VERIFIER_nondet_long()
[L71] CALL assume_abort_if_not(var_1_8 >= -2147483648)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L71] RET assume_abort_if_not(var_1_8 >= -2147483648)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L72] CALL assume_abort_if_not(var_1_8 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L72] RET assume_abort_if_not(var_1_8 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L73] CALL assume_abort_if_not(var_1_8 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L73] RET assume_abort_if_not(var_1_8 != 0)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L74] var_1_11 = __VERIFIER_nondet_long()
[L75] CALL assume_abort_if_not(var_1_11 >= -1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L75] RET assume_abort_if_not(var_1_11 >= -1)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L76] CALL assume_abort_if_not(var_1_11 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L76] RET assume_abort_if_not(var_1_11 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L77] var_1_12 = __VERIFIER_nondet_long()
[L78] CALL assume_abort_if_not(var_1_12 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L78] RET assume_abort_if_not(var_1_12 >= 0)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L79] CALL assume_abort_if_not(var_1_12 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L79] RET assume_abort_if_not(var_1_12 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L80] var_1_13 = __VERIFIER_nondet_uchar()
[L81] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L81] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L82] CALL assume_abort_if_not(var_1_13 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L82] RET assume_abort_if_not(var_1_13 <= 1)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L83] var_1_14 = __VERIFIER_nondet_uchar()
[L84] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L84] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L85] CALL assume_abort_if_not(var_1_14 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L85] RET assume_abort_if_not(var_1_14 <= 1)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_8=27, var_1_9=25]
[L86] var_1_15 = __VERIFIER_nondet_double()
[L87] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=32, var_1_8=27, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=32, var_1_8=27, var_1_9=25]
[L87] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=32, var_1_8=27, var_1_9=25]
[L102] RET updateVariables()
[L103] CALL step()
[L38] signed long int stepLocal_0 = last_1_var_1_9 + last_1_var_1_9;
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=32, var_1_8=27, var_1_9=25]
[L39] COND FALSE !((var_1_2 - var_1_3) >= last_1_var_1_10)
[L44] var_1_1 = last_1_var_1_9
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=25, var_1_8=27, var_1_9=25]
[L46] signed long int stepLocal_2 = var_1_1;
[L47] signed long int stepLocal_1 = var_1_1;
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=25, var_1_8=27, var_1_9=25]
[L48] EXPR var_1_8 >> last_1_var_1_9
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=25, var_1_8=27, var_1_9=25]
[L48] COND FALSE !((var_1_8 >> last_1_var_1_9) > stepLocal_1)
[L55] var_1_9 = last_1_var_1_9
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_2=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=25, var_1_8=27, var_1_9=25]
[L57] COND TRUE ((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_2=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_1=25, var_1_8=27, var_1_9=25]
[L58] COND TRUE var_1_13 || var_1_14
[L59] var_1_10 = var_1_15
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_2=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
[L103] RET step()
[L104] CALL, EXPR property()
[L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9)))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
[L94] EXPR var_1_8 >> last_1_var_1_9
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
[L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9)))
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
[L94-L95] return ((((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9)))) && ((((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12))) ? ((var_1_13 || var_1_14) ? (var_1_10 == ((double) var_1_15)) : (var_1_10 == ((double) var_1_15))) : 1)
;
[L104] RET, EXPR property()
[L104] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=25, var_1_8=27, var_1_9=25]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 6, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 1283 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 938 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 932 IncrementalHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 345 mSDtfsCounter, 932 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=5, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 72 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 866 NumberOfCodeBlocks, 866 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 2176 SizeOfPredicates, 7 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 2467/2548 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 17:06:57,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX --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 cc0f50b1e3335724e12d8f8ff753e8d68608bc02a42487f7cc093f8f08f9715b
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:07:00,395 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:07:00,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-08 17:07:00,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:07:00,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:07:00,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:07:00,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:07:00,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:07:00,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:07:00,591 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:07:00,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:07:00,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:07:00,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:07:00,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:07:00,597 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:07:00,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:07:00,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:07:00,598 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:07:00,599 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:07:00,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:07:00,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:07:00,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:07:00,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:07:00,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:07:00,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:07:00,606 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:07:00,607 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:07:00,607 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:07:00,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:07:00,608 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:07:00,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:07:00,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:07:00,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:07:00,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:07:00,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:07:00,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:07:00,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:07:00,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:07:00,612 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:07:00,612 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:07:00,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:07:00,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:07:00,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:07:00,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:07:00,615 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc0f50b1e3335724e12d8f8ff753e8d68608bc02a42487f7cc093f8f08f9715b
[2024-11-08 17:07:01,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:07:01,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:07:01,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:07:01,174 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:07:01,175 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:07:01,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i
Unable to find full path for "g++"
[2024-11-08 17:07:03,637 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:07:03,903 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:07:03,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i
[2024-11-08 17:07:03,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/c6c405f4e/2f7b6d167ee24c73afa64422e54196bb/FLAG512f2fa15
[2024-11-08 17:07:03,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/data/c6c405f4e/2f7b6d167ee24c73afa64422e54196bb
[2024-11-08 17:07:03,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:07:03,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:07:03,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:07:03,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:07:03,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:07:03,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:07:03" (1/1) ...
[2024-11-08 17:07:03,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e6d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:03, skipping insertion in model container
[2024-11-08 17:07:03,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:07:03" (1/1) ...
[2024-11-08 17:07:03,987 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:07:04,267 WARN L250 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i[915,928]
[2024-11-08 17:07:04,345 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:07:04,389 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:07:04,411 WARN L250 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_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-68.i[915,928]
[2024-11-08 17:07:04,456 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:07:04,496 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:07:04,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04 WrapperNode
[2024-11-08 17:07:04,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:07:04,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:07:04,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:07:04,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:07:04,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,562 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102
[2024-11-08 17:07:04,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:07:04,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:07:04,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:07:04,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:07:04,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,623 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:07:04,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:07:04,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:07:04,669 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:07:04,669 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:07:04,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (1/1) ...
[2024-11-08 17:07:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:07:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:07:04,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:07:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:07:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:07:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:07:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:07:04,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:07:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:07:04,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:07:04,904 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:07:04,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:07:06,643 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-08 17:07:06,643 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:07:06,668 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:07:06,669 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:07:06,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:07:06 BoogieIcfgContainer
[2024-11-08 17:07:06,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:07:06,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:07:06,677 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:07:06,684 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:07:06,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:07:03" (1/3) ...
[2024-11-08 17:07:06,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6fc69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:07:06, skipping insertion in model container
[2024-11-08 17:07:06,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:07:04" (2/3) ...
[2024-11-08 17:07:06,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6fc69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:07:06, skipping insertion in model container
[2024-11-08 17:07:06,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:07:06" (3/3) ...
[2024-11-08 17:07:06,688 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-68.i
[2024-11-08 17:07:06,713 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:07:06,713 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:07:06,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:07:06,798 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b023c0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:07:06,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:07:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 17:07:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-11-08 17:07:06,832 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:07:06,833 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:07:06,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:07:06,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:07:06,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1653138176, now seen corresponding path program 1 times
[2024-11-08 17:07:06,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:07:06,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028147575]
[2024-11-08 17:07:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:07:06,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:07:06,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:07:06,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:07:06,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-08 17:07:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:07:07,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:07:07,236 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:07:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-08 17:07:07,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:07:07,287 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:07:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028147575]
[2024-11-08 17:07:07,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028147575] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:07:07,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:07:07,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:07:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150484643]
[2024-11-08 17:07:07,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:07:07,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:07:07,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:07:07,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:07:07,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:07:07,331 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:07:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:07:07,363 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions.
[2024-11-08 17:07:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:07:07,366 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91
[2024-11-08 17:07:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:07:07,375 INFO L225 Difference]: With dead ends: 89
[2024-11-08 17:07:07,375 INFO L226 Difference]: Without dead ends: 44
[2024-11-08 17:07:07,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:07:07,384 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:07:07,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:07:07,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-08 17:07:07,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-08 17:07:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 17:07:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions.
[2024-11-08 17:07:07,435 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 91
[2024-11-08 17:07:07,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:07:07,436 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions.
[2024-11-08 17:07:07,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:07:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions.
[2024-11-08 17:07:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-11-08 17:07:07,441 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:07:07,442 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:07:07,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-08 17:07:07,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:07:07,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:07:07,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:07:07,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1877564984, now seen corresponding path program 1 times
[2024-11-08 17:07:07,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:07:07,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997208394]
[2024-11-08 17:07:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:07:07,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:07:07,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:07:07,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:07:07,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-08 17:07:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:07:07,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 17:07:08,004 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:07:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:07:28,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:07:28,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:07:28,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997208394]
[2024-11-08 17:07:28,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997208394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:07:28,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:07:28,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 17:07:28,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157014482]
[2024-11-08 17:07:28,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:07:28,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 17:07:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:07:28,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 17:07:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-08 17:07:28,556 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:08:23,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:08:25,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:25,974 INFO L93 Difference]: Finished difference Result 113 states and 157 transitions.
[2024-11-08 17:08:25,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 17:08:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91
[2024-11-08 17:08:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:25,991 INFO L225 Difference]: With dead ends: 113
[2024-11-08 17:08:25,991 INFO L226 Difference]: Without dead ends: 111
[2024-11-08 17:08:25,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:08:25,994 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.4s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:25,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 298 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 50.4s Time]
[2024-11-08 17:08:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-11-08 17:08:26,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 90.
[2024-11-08 17:08:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 59 states have internal predecessors, (76), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-08 17:08:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions.
[2024-11-08 17:08:26,043 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 91
[2024-11-08 17:08:26,044 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:26,044 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions.
[2024-11-08 17:08:26,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:08:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions.
[2024-11-08 17:08:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-08 17:08:26,048 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:26,051 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:26,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-08 17:08:26,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:08:26,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:26,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2134379356, now seen corresponding path program 1 times
[2024-11-08 17:08:26,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:08:26,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902978668]
[2024-11-08 17:08:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:08:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:08:26,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:08:26,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-08 17:08:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:26,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-08 17:08:26,645 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-08 17:09:13,764 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:13,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:13,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902978668]
[2024-11-08 17:09:13,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902978668] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:13,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:13,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-08 17:09:13,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816418016]
[2024-11-08 17:09:13,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:13,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 17:09:13,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:13,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 17:09:13,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:09:13,771 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:10:25,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:10:25,508 INFO L93 Difference]: Finished difference Result 117 states and 160 transitions.
[2024-11-08 17:10:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-08 17:10:25,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92
[2024-11-08 17:10:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:10:25,524 INFO L225 Difference]: With dead ends: 117
[2024-11-08 17:10:25,524 INFO L226 Difference]: Without dead ends: 115
[2024-11-08 17:10:25,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420
[2024-11-08 17:10:25,527 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 83 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:10:25,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 298 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 60.5s Time]
[2024-11-08 17:10:25,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2024-11-08 17:10:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 95.
[2024-11-08 17:10:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 63 states have internal predecessors, (81), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-08 17:10:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions.
[2024-11-08 17:10:25,551 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 92
[2024-11-08 17:10:25,552 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:10:25,552 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions.
[2024-11-08 17:10:25,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:10:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions.
[2024-11-08 17:10:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-08 17:10:25,555 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:10:25,555 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:10:25,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-08 17:10:25,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:10:25,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:10:25,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:10:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1183129479, now seen corresponding path program 1 times
[2024-11-08 17:10:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:10:25,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649733996]
[2024-11-08 17:10:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:10:25,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:10:25,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:10:25,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:10:25,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-08 17:10:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:10:26,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 17:10:26,030 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:10:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-08 17:10:54,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:10:54,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:10:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649733996]
[2024-11-08 17:10:54,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649733996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:10:54,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:10:54,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 17:10:54,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59856155]
[2024-11-08 17:10:54,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:10:54,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 17:10:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:10:54,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 17:10:54,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-11-08 17:10:54,915 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:11:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:11:54,937 INFO L93 Difference]: Finished difference Result 260 states and 364 transitions.
[2024-11-08 17:11:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 17:11:54,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92
[2024-11-08 17:11:54,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:11:54,959 INFO L225 Difference]: With dead ends: 260
[2024-11-08 17:11:54,960 INFO L226 Difference]: Without dead ends: 258
[2024-11-08 17:11:54,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:11:54,962 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:11:54,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 323 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 48.6s Time]
[2024-11-08 17:11:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2024-11-08 17:11:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 196.
[2024-11-08 17:11:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 133 states have (on average 1.3157894736842106) internal successors, (175), 133 states have internal predecessors, (175), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-08 17:11:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 287 transitions.
[2024-11-08 17:11:55,008 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 287 transitions. Word has length 92
[2024-11-08 17:11:55,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:11:55,009 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 287 transitions.
[2024-11-08 17:11:55,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:11:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 287 transitions.
[2024-11-08 17:11:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-08 17:11:55,011 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:11:55,012 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:11:55,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-08 17:11:55,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:11:55,212 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:11:55,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:11:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1992476105, now seen corresponding path program 1 times
[2024-11-08 17:11:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:11:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556842256]
[2024-11-08 17:11:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:11:55,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:11:55,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:11:55,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:11:55,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-08 17:11:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:55,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 17:11:55,478 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:11:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 165 proven. 27 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked.
[2024-11-08 17:11:56,513 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:11:59,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:11:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556842256]
[2024-11-08 17:11:59,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556842256] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:11:59,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165757014]
[2024-11-08 17:11:59,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:11:59,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:11:59,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:11:59,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:11:59,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 17:11:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:59,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-08 17:11:59,657 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:12:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-08 17:12:12,316 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:14:14,229 WARN L286 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 52 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-08 17:14:51,375 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-08 17:15:31,097 WARN L286 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-08 17:16:08,304 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-08 17:16:26,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165757014] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:16:26,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:16:26,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13
[2024-11-08 17:16:26,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200709662]
[2024-11-08 17:16:26,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:16:26,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 17:16:26,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:26,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 17:16:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600
[2024-11-08 17:16:26,555 INFO L87 Difference]: Start difference. First operand 196 states and 287 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)
[2024-11-08 17:16:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:17:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:17:49,913 INFO L93 Difference]: Finished difference Result 457 states and 651 transitions.
[2024-11-08 17:17:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-11-08 17:17:49,932 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 92
[2024-11-08 17:17:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:17:49,936 INFO L225 Difference]: With dead ends: 457
[2024-11-08 17:17:49,936 INFO L226 Difference]: Without dead ends: 264
[2024-11-08 17:17:49,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 187.0s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892
[2024-11-08 17:17:49,940 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 164 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 118 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:17:49,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 282 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 27.5s Time]
[2024-11-08 17:17:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2024-11-08 17:17:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 196.
[2024-11-08 17:17:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 132 states have (on average 1.2878787878787878) internal successors, (170), 132 states have internal predecessors, (170), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-08 17:17:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 282 transitions.
[2024-11-08 17:17:50,005 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 282 transitions. Word has length 92
[2024-11-08 17:17:50,005 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:17:50,006 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 282 transitions.
[2024-11-08 17:17:50,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)
[2024-11-08 17:17:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 282 transitions.
[2024-11-08 17:17:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-11-08 17:17:50,008 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:17:50,008 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:17:50,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-08 17:17:50,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-08 17:17:50,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:50,414 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:17:50,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:17:50,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1742131515, now seen corresponding path program 1 times
[2024-11-08 17:17:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:17:50,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669809765]
[2024-11-08 17:17:50,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:17:50,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:17:50,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:17:50,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:17:50,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2024-11-08 17:17:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:50,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-08 17:17:50,685 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:18:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-08 17:18:55,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:18:55,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:18:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669809765]
[2024-11-08 17:18:55,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669809765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:18:55,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:18:55,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-08 17:18:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478103063]
[2024-11-08 17:18:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:18:55,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-08 17:18:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:18:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-08 17:18:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2024-11-08 17:18:55,740 INFO L87 Difference]: Start difference. First operand 196 states and 282 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:19:58,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:20:00,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:20:22,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:20:26,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 17:20:26,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:20:26,615 INFO L93 Difference]: Finished difference Result 263 states and 358 transitions.
[2024-11-08 17:20:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-08 17:20:26,632 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 93
[2024-11-08 17:20:26,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:20:26,635 INFO L225 Difference]: With dead ends: 263
[2024-11-08 17:20:26,635 INFO L226 Difference]: Without dead ends: 261
[2024-11-08 17:20:26,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 53.6s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506
[2024-11-08 17:20:26,637 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 120 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.4s IncrementalHoareTripleChecker+Time
[2024-11-08 17:20:26,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 345 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 71.4s Time]
[2024-11-08 17:20:26,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states.
[2024-11-08 17:20:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 196.
[2024-11-08 17:20:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 131 states have internal predecessors, (167), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-08 17:20:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 279 transitions.
[2024-11-08 17:20:26,700 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 279 transitions. Word has length 93
[2024-11-08 17:20:26,701 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:20:26,701 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 279 transitions.
[2024-11-08 17:20:26,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-08 17:20:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 279 transitions.
[2024-11-08 17:20:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-08 17:20:26,708 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:20:26,708 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:20:26,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2024-11-08 17:20:26,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:20:26,909 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:20:26,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:20:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash -97752713, now seen corresponding path program 1 times
[2024-11-08 17:20:26,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:20:26,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64475598]
[2024-11-08 17:20:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:20:26,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:20:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:20:26,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 17:20:26,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2024-11-08 17:20:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:20:27,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:20:27,319 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:20:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 811 proven. 0 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked.
[2024-11-08 17:20:27,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:20:27,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:20:27,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64475598]
[2024-11-08 17:20:27,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64475598] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:20:27,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:20:27,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:20:27,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725129855]
[2024-11-08 17:20:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:20:27,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:20:27,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:20:27,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:20:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:20:27,979 INFO L87 Difference]: Start difference. First operand 196 states and 279 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-08 17:20:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:20:30,600 INFO L93 Difference]: Finished difference Result 237 states and 334 transitions.
[2024-11-08 17:20:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:20:30,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181
[2024-11-08 17:20:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:20:30,606 INFO L225 Difference]: With dead ends: 237
[2024-11-08 17:20:30,606 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 17:20:30,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-08 17:20:30,609 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 87 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:20:30,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 147 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-08 17:20:30,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 17:20:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 17:20:30,611 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)
[2024-11-08 17:20:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 17:20:30,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181
[2024-11-08 17:20:30,612 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:20:30,612 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 17:20:30,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-08 17:20:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 17:20:30,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 17:20:30,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:20:30,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2024-11-08 17:20:30,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 17:20:30,822 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:20:30,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 17:20:37,735 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 50 DAG size of output: 31 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)
[2024-11-08 17:20:46,774 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:20:46,790 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,791 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,791 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,791 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,793 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,793 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-08 17:20:46,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-08 17:20:46,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-08 17:20:46,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-08 17:20:46,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-08 17:20:46,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:20:46 BoogieIcfgContainer
[2024-11-08 17:20:46,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:20:46,821 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:20:46,821 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:20:46,821 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:20:46,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:07:06" (3/4) ...
[2024-11-08 17:20:46,825 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:20:46,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-08 17:20:46,836 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-08 17:20:46,836 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 17:20:46,837 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 17:20:46,837 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 17:20:46,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:20:46,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:20:46,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:20:46,973 INFO L158 Benchmark]: Toolchain (without parser) took 823034.77ms. Allocated memory was 67.1MB in the beginning and 385.9MB in the end (delta: 318.8MB). Free memory was 43.0MB in the beginning and 137.8MB in the end (delta: -94.8MB). Peak memory consumption was 225.8MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,974 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 67.1MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:20:46,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 60.7MB in the end (delta: -17.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.05ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,975 INFO L158 Benchmark]: Boogie Preprocessor took 99.27ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 56.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,976 INFO L158 Benchmark]: RCFGBuilder took 2000.87ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 41.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,976 INFO L158 Benchmark]: TraceAbstraction took 820143.63ms. Allocated memory was 83.9MB in the beginning and 385.9MB in the end (delta: 302.0MB). Free memory was 40.5MB in the beginning and 144.1MB in the end (delta: -103.6MB). Peak memory consumption was 212.7MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,977 INFO L158 Benchmark]: Witness Printer took 151.83ms. Allocated memory is still 385.9MB. Free memory was 144.1MB in the beginning and 137.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 17:20:46,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.65ms. Allocated memory is still 67.1MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 557.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 60.7MB in the end (delta: -17.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 69.05ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 99.27ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 56.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 2000.87ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 41.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 820143.63ms. Allocated memory was 83.9MB in the beginning and 385.9MB in the end (delta: 302.0MB). Free memory was 40.5MB in the beginning and 144.1MB in the end (delta: -103.6MB). Peak memory consumption was 212.7MB. Max. memory is 16.1GB.
* Witness Printer took 151.83ms. Allocated memory is still 385.9MB. Free memory was 144.1MB in the beginning and 137.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
* 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: 19]: 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 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 804.1s, OverallIterations: 7, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 366.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 644 SdHoareTripleChecker+Valid, 260.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 644 mSDsluCounter, 1756 SdHoareTripleChecker+Invalid, 255.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1389 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1766 IncrementalHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 367 mSDtfsCounter, 1766 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 936 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 324.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=4, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 236 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 433.3s InterpolantComputationTime, 824 NumberOfCodeBlocks, 824 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 4213 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1338 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 4034/4091 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: 100]: Loop Invariant
Derived loop invariant: (((var_1_9 == 25) && (25 == last_1_var_1_9)) && (var_1_8 != 0))
- ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not
Derived contract for procedure assume_abort_if_not. Requires: (((var_1_9 == 25) && (25 == last_1_var_1_9)) || (((var_1_9 == 25) && (25 == last_1_var_1_9)) && (var_1_8 != 0))) Ensures: (((((var_1_9 == 25) && (25 == last_1_var_1_9)) || (((var_1_9 == 25) && (25 == last_1_var_1_9)) && (var_1_8 != 0))) && (0 != cond)) && ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (last_1_var_1_9 == \old(last_1_var_1_9))) && (last_1_var_1_10 == \old(last_1_var_1_10))))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:20:47,194 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-11-08 17:20:47,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2990e5e-ee4f-40fb-a7fb-a942d442dff2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE