./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu --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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:35:15,186 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:35:15,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:35:15,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:35:15,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:35:15,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:35:15,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:35:15,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:35:15,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:35:15,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:35:15,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:35:15,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:35:15,359 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:35:15,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:35:15,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:35:15,362 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:35:15,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:35:15,363 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:35:15,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:35:15,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:35:15,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:35:15,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:35:15,365 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:35:15,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:35:15,367 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:35:15,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:35:15,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:35:15,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:35:15,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:15,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:35:15,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:35:15,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:35:15,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:35:15,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:35:15,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:35:15,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:35:15,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:35:15,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:35:15,373 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:35:15,374 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_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
[2023-11-19 07:35:15,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:35:15,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:35:15,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:35:15,738 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:35:15,739 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:35:15,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:18,811 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:35:19,041 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:35:19,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:19,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/aca8f1915/3ead0677e23a4bc0b4f1d67abd54bd0c/FLAG5c39b0f8d
[2023-11-19 07:35:19,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/aca8f1915/3ead0677e23a4bc0b4f1d67abd54bd0c
[2023-11-19 07:35:19,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:35:19,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:35:19,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:19,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:35:19,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:35:19,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b07995a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19, skipping insertion in model container
[2023-11-19 07:35:19,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,104 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:35:19,253 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2023-11-19 07:35:19,305 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:19,316 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:35:19,333 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2023-11-19 07:35:19,366 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:19,393 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:35:19,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19 WrapperNode
[2023-11-19 07:35:19,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:19,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:19,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:35:19,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:35:19,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,465 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99
[2023-11-19 07:35:19,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:19,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:35:19,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:35:19,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:35:19,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:35:19,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:35:19,505 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:35:19,505 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:35:19,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ...
[2023-11-19 07:35:19,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:19,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:35:19,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:35:19,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:35:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:35:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:35:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:35:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:35:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:35:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:35:19,743 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:35:19,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:35:20,082 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:35:20,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:35:20,091 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:35:20,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20 BoogieIcfgContainer
[2023-11-19 07:35:20,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:35:20,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:35:20,097 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:35:20,101 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:35:20,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:19" (1/3) ...
[2023-11-19 07:35:20,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f3bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:20, skipping insertion in model container
[2023-11-19 07:35:20,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (2/3) ...
[2023-11-19 07:35:20,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f3bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:20, skipping insertion in model container
[2023-11-19 07:35:20,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20" (3/3) ...
[2023-11-19 07:35:20,104 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:20,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:35:20,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:35:20,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:35:20,182 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@395ec1fa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:35:20,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:35:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:20,198 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:20,199 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:20,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:20,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:20,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1786311926, now seen corresponding path program 1 times
[2023-11-19 07:35:20,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:35:20,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239048562]
[2023-11-19 07:35:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:20,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:35:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:35:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:35:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:35:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:35:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:35:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:35:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:35:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:35:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:35:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:35:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:35:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2023-11-19 07:35:20,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:35:20,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239048562]
[2023-11-19 07:35:20,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239048562] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:20,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:20,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:35:20,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883782043]
[2023-11-19 07:35:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:20,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:35:20,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:35:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:35:20,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:35:20,644 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:35:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:35:20,683 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions.
[2023-11-19 07:35:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:35:20,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76
[2023-11-19 07:35:20,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:35:20,693 INFO L225 Difference]: With dead ends: 87
[2023-11-19 07:35:20,693 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 07:35:20,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:35:20,702 INFO L413 NwaCegarLoop]: 60 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, 60 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
[2023-11-19 07:35:20,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:35:20,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 07:35:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 07:35:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions.
[2023-11-19 07:35:20,752 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 76
[2023-11-19 07:35:20,753 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:35:20,754 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions.
[2023-11-19 07:35:20,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:35:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions.
[2023-11-19 07:35:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:20,762 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:20,763 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:20,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:35:20,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:20,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:20,765 INFO L85 PathProgramCache]: Analyzing trace with hash 184012668, now seen corresponding path program 1 times
[2023-11-19 07:35:20,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:35:20,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355751889]
[2023-11-19 07:35:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:20,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:35:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:35:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:35:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:35:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:35:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:35:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:35:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:35:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:35:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:35:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:35:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:35:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2023-11-19 07:35:20,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:35:20,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355751889]
[2023-11-19 07:35:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355751889] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:20,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:20,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:35:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375014388]
[2023-11-19 07:35:20,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:20,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:35:20,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:35:20,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:35:20,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:35:20,987 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-11-19 07:35:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:35:21,040 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions.
[2023-11-19 07:35:21,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:35:21,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 76
[2023-11-19 07:35:21,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:35:21,044 INFO L225 Difference]: With dead ends: 79
[2023-11-19 07:35:21,045 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 07:35:21,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:35:21,048 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:35:21,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 96 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:35:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 07:35:21,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 07:35:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:21,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2023-11-19 07:35:21,064 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 76
[2023-11-19 07:35:21,067 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:35:21,067 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2023-11-19 07:35:21,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-11-19 07:35:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2023-11-19 07:35:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:21,072 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:21,073 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:21,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:35:21,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:21,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:21,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1959020030, now seen corresponding path program 1 times
[2023-11-19 07:35:21,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:35:21,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600401195]
[2023-11-19 07:35:21,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:21,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:35:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:35:21,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:35:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:35:21,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:35:21,353 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:35:21,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:35:21,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:35:21,360 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-19 07:35:21,363 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:35:21,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:21 BoogieIcfgContainer
[2023-11-19 07:35:21,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:35:21,464 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:35:21,464 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:35:21,465 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:35:21,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20" (3/4) ...
[2023-11-19 07:35:21,468 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:35:21,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:35:21,471 INFO L158 Benchmark]: Toolchain (without parser) took 2401.51ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 69.5MB in the beginning and 96.3MB in the end (delta: -26.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,471 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:35:21,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.26ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 56.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.07ms. Allocated memory is still 115.3MB. Free memory was 56.7MB in the beginning and 53.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,478 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 115.3MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,478 INFO L158 Benchmark]: RCFGBuilder took 589.51ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 112.3MB in the end (delta: -60.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,478 INFO L158 Benchmark]: TraceAbstraction took 1366.70ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 96.3MB in the end (delta: 15.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
[2023-11-19 07:35:21,479 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 151.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:35:21,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 324.26ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 56.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.07ms. Allocated memory is still 115.3MB. Free memory was 56.7MB in the beginning and 53.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.65ms. Allocated memory is still 115.3MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 589.51ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 112.3MB in the end (delta: -60.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 1366.70ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 96.3MB in the end (delta: 15.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
* Witness Printer took 5.12ms. Allocated memory is still 151.0MB. Free memory is still 96.3MB. 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 84.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 128;
[L23] unsigned char var_1_4 = 25;
[L24] unsigned char var_1_5 = 64;
[L25] unsigned char var_1_6 = 8;
[L26] unsigned char var_1_7 = 0;
[L27] unsigned char var_1_8 = 10;
[L28] float var_1_9 = 9.6;
[L29] float var_1_10 = 99.08;
[L30] float var_1_11 = 63.4;
[L31] float var_1_12 = 32.125;
[L32] signed long int var_1_13 = -8;
[L33] signed short int var_1_14 = -2;
VAL [isInitial=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L88] isInitial = 1
[L89] FCALL initially()
[L90] int k_loop;
[L91] k_loop = 0
VAL [isInitial=1, k_loop=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L91] COND TRUE k_loop < 1
[L92] FCALL updateLastVariables()
[L93] CALL updateVariables()
[L62] var_1_4 = __VERIFIER_nondet_uchar()
[L63] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L63] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L64] CALL assume_abort_if_not(var_1_4 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L64] RET assume_abort_if_not(var_1_4 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L65] var_1_5 = __VERIFIER_nondet_uchar()
[L66] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L66] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L67] CALL assume_abort_if_not(var_1_5 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L67] RET assume_abort_if_not(var_1_5 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L68] var_1_6 = __VERIFIER_nondet_uchar()
[L69] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L69] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L70] CALL assume_abort_if_not(var_1_6 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L70] RET assume_abort_if_not(var_1_6 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L71] var_1_7 = __VERIFIER_nondet_uchar()
[L72] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L72] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L73] CALL assume_abort_if_not(var_1_7 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L73] RET assume_abort_if_not(var_1_7 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L74] var_1_10 = __VERIFIER_nondet_float()
[L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=388, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=388, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=388, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L76] var_1_11 = __VERIFIER_nondet_float()
[L77] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L77] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=388, var_1_11=389, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L78] var_1_12 = __VERIFIER_nondet_float()
[L79] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L79] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L93] RET updateVariables()
[L94] CALL step()
[L37] unsigned char stepLocal_1 = var_1_4;
VAL [isInitial=1, stepLocal_1=126, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=10, var_1_9=48/5]
[L38] COND TRUE var_1_5 > stepLocal_1
[L39] var_1_8 = (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5))))
VAL [isInitial=1, stepLocal_1=126, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L41] var_1_13 = var_1_7
[L42] var_1_14 = var_1_7
[L43] signed short int stepLocal_0 = var_1_14;
VAL [isInitial=1, stepLocal_0=127, stepLocal_1=126, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L44] COND FALSE !(var_1_14 != stepLocal_0)
[L47] var_1_1 = ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7)))
VAL [isInitial=1, stepLocal_0=127, stepLocal_1=126, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L49] signed long int stepLocal_3 = var_1_13;
[L50] unsigned char stepLocal_2 = var_1_1;
VAL [isInitial=1, stepLocal_0=127, stepLocal_1=126, stepLocal_2=126, stepLocal_3=127, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L51] COND FALSE !((var_1_10 * var_1_11) > 16.75f)
VAL [isInitial=1, stepLocal_0=127, stepLocal_1=126, stepLocal_2=126, stepLocal_3=127, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L94] RET step()
[L95] CALL, EXPR property()
[L84-L85] return (((((var_1_14 != var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7)))))) && ((var_1_5 > var_1_4) ? (var_1_8 == ((unsigned char) (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5)))))) : 1)) && (((var_1_10 * var_1_11) > 16.75f) ? ((var_1_7 <= var_1_1) ? ((-8 > var_1_13) ? (var_1_9 == ((float) var_1_12)) : 1) : (var_1_9 == ((float) var_1_12))) : 1)) && (var_1_13 == ((signed long int) var_1_7))) && (var_1_14 == ((signed short int) var_1_7))
;
VAL [\result=0, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L95] RET, EXPR property()
[L95] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=388, var_1_11=389, var_1_12=390, var_1_13=127, var_1_14=127, var_1_1=126, var_1_4=126, var_1_5=127, var_1_6=126, var_1_7=127, var_1_8=1, var_1_9=48/5]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 113 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 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
[2023-11-19 07:35:21,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu --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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:35:24,181 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:35:24,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:35:24,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:35:24,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:35:24,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:35:24,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:35:24,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:35:24,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:35:24,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:35:24,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:35:24,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:35:24,374 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:35:24,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:35:24,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:35:24,377 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:35:24,377 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:35:24,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:35:24,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:35:24,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:35:24,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:35:24,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:35:24,380 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:35:24,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:35:24,381 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:35:24,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:35:24,382 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:35:24,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:35:24,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:35:24,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:35:24,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:24,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:35:24,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:35:24,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:35:24,386 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:35:24,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:35:24,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:35:24,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:35:24,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:35:24,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:35:24,388 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:35:24,388 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:35:24,388 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_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
[2023-11-19 07:35:24,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:35:24,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:35:24,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:35:24,831 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:35:24,832 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:35:24,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:27,928 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:35:28,181 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:35:28,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:28,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/1786d0531/f008437ce1454caf9d33a6844bdb6efd/FLAG7f9e0ea07
[2023-11-19 07:35:28,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/data/1786d0531/f008437ce1454caf9d33a6844bdb6efd
[2023-11-19 07:35:28,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:35:28,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:35:28,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:28,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:35:28,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:35:28,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b61e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28, skipping insertion in model container
[2023-11-19 07:35:28,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,261 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:35:28,437 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2023-11-19 07:35:28,481 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:28,496 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:35:28,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2023-11-19 07:35:28,531 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:28,550 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:35:28,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28 WrapperNode
[2023-11-19 07:35:28,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:28,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:28,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:35:28,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:35:28,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,613 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99
[2023-11-19 07:35:28,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:28,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:35:28,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:35:28,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:35:28,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:35:28,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:35:28,701 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:35:28,701 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:35:28,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (1/1) ...
[2023-11-19 07:35:28,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:28,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:35:28,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:35:28,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:35:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:35:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:35:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:35:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:35:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:35:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:35:28,894 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:35:28,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:35:29,969 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:35:29,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:35:29,977 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:35:29,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:29 BoogieIcfgContainer
[2023-11-19 07:35:29,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:35:29,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:35:29,983 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:35:29,986 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:35:29,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:28" (1/3) ...
[2023-11-19 07:35:29,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14108bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:29, skipping insertion in model container
[2023-11-19 07:35:29,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:28" (2/3) ...
[2023-11-19 07:35:29,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14108bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:29, skipping insertion in model container
[2023-11-19 07:35:29,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:29" (3/3) ...
[2023-11-19 07:35:29,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2023-11-19 07:35:30,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:35:30,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:35:30,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:35:30,065 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51a8c36c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:35:30,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:35:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:30,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:30,080 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:30,081 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:30,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:30,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1786311926, now seen corresponding path program 1 times
[2023-11-19 07:35:30,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:35:30,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887887208]
[2023-11-19 07:35:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:30,101 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
[2023-11-19 07:35:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:35:30,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:35:30,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:35:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:30,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:35:30,539 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:35:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2023-11-19 07:35:30,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:35:30,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:35:30,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887887208]
[2023-11-19 07:35:30,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887887208] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:30,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:30,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:35:30,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107613283]
[2023-11-19 07:35:30,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:30,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:35:30,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:35:30,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:35:30,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:35:30,637 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:35:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:35:30,680 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions.
[2023-11-19 07:35:30,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:35:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76
[2023-11-19 07:35:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:35:30,691 INFO L225 Difference]: With dead ends: 87
[2023-11-19 07:35:30,691 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 07:35:30,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:35:30,700 INFO L413 NwaCegarLoop]: 60 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, 60 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
[2023-11-19 07:35:30,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:35:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 07:35:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 07:35:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions.
[2023-11-19 07:35:30,758 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 76
[2023-11-19 07:35:30,758 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:35:30,759 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions.
[2023-11-19 07:35:30,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:35:30,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions.
[2023-11-19 07:35:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:30,767 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:30,767 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:30,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0
[2023-11-19 07:35:30,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:35:30,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:30,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:30,976 INFO L85 PathProgramCache]: Analyzing trace with hash 184012668, now seen corresponding path program 1 times
[2023-11-19 07:35:30,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:35:30,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181342727]
[2023-11-19 07:35:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:30,978 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
[2023-11-19 07:35:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:35:30,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:35:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:35:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:31,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:35:31,301 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:35:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2023-11-19 07:35:31,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:35:31,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:35:31,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181342727]
[2023-11-19 07:35:31,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181342727] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:31,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:31,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:35:31,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222382297]
[2023-11-19 07:35:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:31,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:35:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:35:31,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:35:31,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:35:31,370 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-11-19 07:35:31,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:35:31,778 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions.
[2023-11-19 07:35:31,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:35:31,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 76
[2023-11-19 07:35:31,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:35:31,788 INFO L225 Difference]: With dead ends: 79
[2023-11-19 07:35:31,788 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 07:35:31,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:35:31,791 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:35:31,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 96 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-19 07:35:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 07:35:31,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 07:35:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:35:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2023-11-19 07:35:31,800 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 76
[2023-11-19 07:35:31,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:35:31,802 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2023-11-19 07:35:31,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-11-19 07:35:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2023-11-19 07:35:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:35:31,804 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:35:31,805 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:35:31,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:35:32,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:35:32,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:35:32,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1959020030, now seen corresponding path program 1 times
[2023-11-19 07:35:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:35:32,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893835581]
[2023-11-19 07:35:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:32,021 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
[2023-11-19 07:35:32,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:35:32,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:35:32,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98024b9-a83f-4bdf-8c6f-025ff9fe138c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:35:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:32,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-11-19 07:35:32,272 INFO L285 TraceCheckSpWp]: Computing forward predicates...