./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:30:32,917 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:30:33,013 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 08:30:33,020 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:30:33,020 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:30:33,049 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:30:33,052 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:30:33,052 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:30:33,052 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:30:33,053 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 08:30:33,053 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:30:33,054 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:30:33,054 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 08:30:33,055 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:30:33,055 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 08:30:33,056 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:30:33,056 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 08:30:33,056 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:30:33,057 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:30:33,057 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:30:33,057 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:30:33,057 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2
[2024-11-07 08:30:33,349 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:30:33,358 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:30:33,361 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:30:33,362 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 08:30:33,363 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 08:30:33,365 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:34,696 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:30:34,980 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 08:30:34,983 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:34,991 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da0278c46/954b2d22967e4873861c01cb33769277/FLAG360e09ccf
[2024-11-07 08:30:35,012 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da0278c46/954b2d22967e4873861c01cb33769277
[2024-11-07 08:30:35,014 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:30:35,017 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:30:35,019 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:30:35,019 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:30:35,023 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:30:35,024 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,025 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610a8b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35, skipping insertion in model container
[2024-11-07 08:30:35,027 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,044 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:30:35,179 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928]
[2024-11-07 08:30:35,230 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:30:35,244 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 08:30:35,254 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928]
[2024-11-07 08:30:35,279 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:30:35,298 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 08:30:35,299 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35 WrapperNode
[2024-11-07 08:30:35,300 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:30:35,301 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:30:35,302 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:30:35,302 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:30:35,308 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,316 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,342 INFO  L138                Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84
[2024-11-07 08:30:35,345 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:30:35,350 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:30:35,350 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:30:35,350 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:30:35,361 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,362 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,364 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,381 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 08:30:35,381 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,381 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,386 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,388 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,389 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,390 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,392 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:30:35,393 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:30:35,393 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:30:35,393 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:30:35,397 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (1/1) ...
[2024-11-07 08:30:35,406 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:30:35,420 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:30:35,435 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 08:30:35,438 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 08:30:35,460 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:30:35,460 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:30:35,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:30:35,461 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 08:30:35,461 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:30:35,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:30:35,536 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 08:30:35,537 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:30:35,729 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-07 08:30:35,729 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 08:30:35,743 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:30:35,743 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:30:35,744 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:35 BoogieIcfgContainer
[2024-11-07 08:30:35,744 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:30:35,746 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:30:35,746 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:30:35,750 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:30:35,751 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:30:35" (1/3) ...
[2024-11-07 08:30:35,751 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e23e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:35, skipping insertion in model container
[2024-11-07 08:30:35,752 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:35" (2/3) ...
[2024-11-07 08:30:35,752 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e23e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:35, skipping insertion in model container
[2024-11-07 08:30:35,753 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:35" (3/3) ...
[2024-11-07 08:30:35,754 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:35,768 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:30:35,769 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:30:35,822 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:30:35,835 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@448c1b2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:30:35,835 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:30:35,841 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 08:30:35,849 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-07 08:30:35,849 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:30:35,849 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:30:35,850 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:30:35,856 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:30:35,857 INFO  L85        PathProgramCache]: Analyzing trace with hash -1276548251, now seen corresponding path program 1 times
[2024-11-07 08:30:35,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:30:35,864 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842527017]
[2024-11-07 08:30:35,864 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:30:35,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:30:35,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,085 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:30:36,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,093 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:30:36,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,108 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:30:36,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,115 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:30:36,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,120 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:30:36,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,126 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:30:36,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,133 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-07 08:30:36,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,137 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:30:36,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,146 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2024-11-07 08:30:36,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:36,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-07 08:30:36,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:30:36,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842527017]
[2024-11-07 08:30:36,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842527017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:30:36,170 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:30:36,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:30:36,172 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146445698]
[2024-11-07 08:30:36,172 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:30:36,176 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:30:36,176 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:30:36,195 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:30:36,196 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:30:36,199 INFO  L87              Difference]: Start difference. First operand  has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 08:30:36,214 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:30:36,215 INFO  L93              Difference]: Finished difference Result 73 states and 115 transitions.
[2024-11-07 08:30:36,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 08:30:36,216 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64
[2024-11-07 08:30:36,217 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:30:36,221 INFO  L225             Difference]: With dead ends: 73
[2024-11-07 08:30:36,221 INFO  L226             Difference]: Without dead ends: 36
[2024-11-07 08:30:36,224 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:30:36,226 INFO  L432           NwaCegarLoop]: 49 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, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:30:36,227 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:30:36,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-07 08:30:36,254 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-07 08:30:36,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 08:30:36,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions.
[2024-11-07 08:30:36,261 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 64
[2024-11-07 08:30:36,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:30:36,261 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 49 transitions.
[2024-11-07 08:30:36,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 08:30:36,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions.
[2024-11-07 08:30:36,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-07 08:30:36,264 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:30:36,264 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:30:36,265 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 08:30:36,265 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:30:36,266 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:30:36,266 INFO  L85        PathProgramCache]: Analyzing trace with hash 485064543, now seen corresponding path program 1 times
[2024-11-07 08:30:36,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:30:36,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136076033]
[2024-11-07 08:30:36,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:30:36,266 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:30:36,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:30:36,383 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 08:30:36,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:30:36,482 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 08:30:36,482 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 08:30:36,486 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-07 08:30:36,488 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 08:30:36,492 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 08:30:36,532 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 08:30:36,536 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:30:36 BoogieIcfgContainer
[2024-11-07 08:30:36,536 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 08:30:36,537 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 08:30:36,537 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 08:30:36,537 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 08:30:36,538 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:35" (3/4) ...
[2024-11-07 08:30:36,540 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 08:30:36,540 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 08:30:36,541 INFO  L158              Benchmark]: Toolchain (without parser) took 1524.33ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 47.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB.
[2024-11-07 08:30:36,543 INFO  L158              Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:30:36,543 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 281.22ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 64.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:30:36,544 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.16ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:30:36,544 INFO  L158              Benchmark]: Boogie Preprocessor took 42.27ms. Allocated memory is still 100.7MB. Free memory was 62.6MB in the beginning and 60.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:30:36,545 INFO  L158              Benchmark]: RCFGBuilder took 351.06ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 48.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:30:36,545 INFO  L158              Benchmark]: TraceAbstraction took 790.14ms. Allocated memory is still 100.7MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 115.4kB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB.
[2024-11-07 08:30:36,545 INFO  L158              Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 100.7MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:30:36,547 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 281.22ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 64.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 48.16ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 42.27ms. Allocated memory is still 100.7MB. Free memory was 62.6MB in the beginning and 60.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 351.06ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 48.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 790.14ms. Allocated memory is still 100.7MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 115.4kB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB.
 * Witness Printer took 3.80ms. Allocated memory is still 100.7MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 18.9kB). 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 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 77. 
Possible FailurePath: 
[L21]                  unsigned char isInitial = 0;
[L22]                  unsigned long int var_1_1 = 1;
[L23]                  unsigned char var_1_4 = 0;
[L24]                  float var_1_6 = 2.375;
[L25]                  float var_1_7 = 10.8;
[L26]                  double var_1_9 = 9.6;
[L27]                  double var_1_12 = 128.5;
[L28]                  unsigned char var_1_13 = 128;
[L29]                  float var_1_14 = 8.5;
[L30]                  unsigned char var_1_15 = 128;
[L31]                  unsigned char last_1_var_1_13 = 128;
           VAL         [isInitial=0, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=0, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L81]                  isInitial = 1
[L82]      FCALL       initially()
[L83]      COND TRUE   1
[L84]      CALL        updateLastVariables()
[L74]                  last_1_var_1_13 = var_1_13
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=0, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L84]      RET         updateLastVariables()
[L85]      CALL        updateVariables()
[L57]                  var_1_4 = __VERIFIER_nondet_uchar()
[L58]      CALL        assume_abort_if_not(var_1_4 >= 0)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L58]      RET         assume_abort_if_not(var_1_4 >= 0)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L59]      CALL        assume_abort_if_not(var_1_4 <= 1)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L59]      RET         assume_abort_if_not(var_1_4 <= 1)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5]
[L60]                  var_1_6 = __VERIFIER_nondet_float()
[L61]      CALL        assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ))
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5]
[L61]      RET         assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ))
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5]
[L62]                  var_1_7 = __VERIFIER_nondet_float()
[L63]      CALL        assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ))
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L63]      RET         assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ))
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L64]                  var_1_12 = __VERIFIER_nondet_double()
[L65]      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, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L65]      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, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L66]                  var_1_14 = __VERIFIER_nondet_float()
[L67]      CALL        assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ))
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L67]      RET         assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ))
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L68]      CALL        assume_abort_if_not(var_1_14 != 0.0F)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L68]      RET         assume_abort_if_not(var_1_14 != 0.0F)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L69]                  var_1_15 = __VERIFIER_nondet_uchar()
[L70]      CALL        assume_abort_if_not(var_1_15 >= 127)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L70]      RET         assume_abort_if_not(var_1_15 >= 127)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L71]      CALL        assume_abort_if_not(var_1_15 <= 254)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L20]      COND FALSE  !(!cond)
           VAL         [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L71]      RET         assume_abort_if_not(var_1_15 <= 254)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=48/5]
[L85]      RET         updateVariables()
[L86]      CALL        step()
[L35]      COND TRUE   ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)
[L36]                  var_1_9 = var_1_12
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=128, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=254]
[L38]      COND TRUE   var_1_9 <= (16.2f / var_1_14)
[L39]                  var_1_13 = (var_1_15 - 5)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=254]
[L41]                  unsigned char stepLocal_0 = var_1_9 > var_1_9;
           VAL         [isInitial=1, last_1_var_1_13=128, stepLocal_0=0, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=1, var_1_4=1, var_1_9=254]
[L42]      COND FALSE  !(stepLocal_0 && var_1_4)
[L53]                  var_1_1 = var_1_13
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=249, var_1_4=1, var_1_9=254]
[L86]      RET         step()
[L87]      CALL, EXPR  property()
[L77-L78]              return ((((var_1_9 > var_1_9) && var_1_4) ? ((((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) ? ((! (var_1_9 >= (var_1_6 - var_1_7))) ? (var_1_1 == ((unsigned long int) var_1_13)) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) && ((((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)) ? (var_1_9 == ((double) var_1_12)) : 1)) && ((var_1_9 <= (16.2f / var_1_14)) ? (var_1_13 == ((unsigned char) (var_1_15 - 5))) : 1)
;
           VAL         [\result=0, isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=249, var_1_4=1, var_1_9=254]
[L87]      RET, EXPR   property()
[L87]      CALL        __VERIFIER_assert(property())
[L19]      COND TRUE   !(cond)
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=249, var_1_4=1, var_1_9=254]
[L19]                  reach_error()
           VAL         [isInitial=1, last_1_var_1_13=128, var_1_12=254, var_1_13=249, var_1_15=-2, var_1_1=249, var_1_4=1, var_1_9=254]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 49 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 144/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 08:30:36,573 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:30:38,825 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:30:38,933 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-07 08:30:38,939 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:30:38,940 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:30:38,959 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:30:38,960 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:30:38,960 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:30:38,961 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:30:38,961 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 08:30:38,961 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:30:38,961 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:30:38,961 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:30:38,961 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 08:30:38,961 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 08:30:38,961 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 08:30:38,962 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 08:30:38,963 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 08:30:38,963 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:30:38,963 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 08:30:38,963 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:30:38,963 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 08:30:38,963 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:30:38,964 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:30:38,964 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:30:38,965 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2
[2024-11-07 08:30:39,288 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:30:39,300 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:30:39,302 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:30:39,304 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 08:30:39,304 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 08:30:39,305 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:40,672 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:30:40,892 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 08:30:40,892 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:40,900 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca7342faa/007774fdd67e42469330fd66ea3aab0c/FLAG154ccfbe4
[2024-11-07 08:30:40,923 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca7342faa/007774fdd67e42469330fd66ea3aab0c
[2024-11-07 08:30:40,926 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:30:40,928 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:30:40,929 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:30:40,929 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:30:40,934 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:30:40,935 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:40" (1/1) ...
[2024-11-07 08:30:40,936 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52648461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40, skipping insertion in model container
[2024-11-07 08:30:40,936 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:40" (1/1) ...
[2024-11-07 08:30:40,955 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:30:41,098 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928]
[2024-11-07 08:30:41,151 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:30:41,168 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 08:30:41,180 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928]
[2024-11-07 08:30:41,206 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:30:41,227 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 08:30:41,228 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41 WrapperNode
[2024-11-07 08:30:41,229 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:30:41,231 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:30:41,231 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:30:41,231 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:30:41,239 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,250 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,274 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84
[2024-11-07 08:30:41,277 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:30:41,277 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:30:41,279 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:30:41,279 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:30:41,286 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,287 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,289 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,311 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 08:30:41,313 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,313 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,324 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,327 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,329 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,330 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,336 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:30:41,337 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:30:41,337 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:30:41,337 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:30:41,339 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (1/1) ...
[2024-11-07 08:30:41,348 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:30:41,361 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:30:41,375 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 08:30:41,381 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 08:30:41,401 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:30:41,401 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 08:30:41,401 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:30:41,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:30:41,401 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:30:41,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:30:41,485 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 08:30:41,486 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:30:44,791 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-07 08:30:44,792 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 08:30:44,802 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:30:44,802 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:30:44,803 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:44 BoogieIcfgContainer
[2024-11-07 08:30:44,803 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:30:44,805 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:30:44,805 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:30:44,811 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:30:44,811 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:30:40" (1/3) ...
[2024-11-07 08:30:44,812 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21562522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:44, skipping insertion in model container
[2024-11-07 08:30:44,812 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:41" (2/3) ...
[2024-11-07 08:30:44,812 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21562522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:44, skipping insertion in model container
[2024-11-07 08:30:44,812 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:44" (3/3) ...
[2024-11-07 08:30:44,814 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-36.i
[2024-11-07 08:30:44,827 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:30:44,827 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:30:44,881 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:30:44,891 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53558318, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:30:44,892 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:30:44,897 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 08:30:44,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-07 08:30:44,904 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:30:44,905 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:30:44,905 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:30:44,909 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:30:44,909 INFO  L85        PathProgramCache]: Analyzing trace with hash -1276548251, now seen corresponding path program 1 times
[2024-11-07 08:30:44,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:30:44,919 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768743078]
[2024-11-07 08:30:44,919 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:30:44,919 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:30:44,921 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:30:44,925 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:30:44,926 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 08:30:45,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:45,219 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 08:30:45,224 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:30:45,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2024-11-07 08:30:45,249 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:30:45,249 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:30:45,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768743078]
[2024-11-07 08:30:45,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768743078] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:30:45,250 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:30:45,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:30:45,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628786756]
[2024-11-07 08:30:45,252 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:30:45,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:30:45,255 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:30:45,269 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:30:45,270 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:30:45,272 INFO  L87              Difference]: Start difference. First operand  has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 08:30:45,285 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:30:45,286 INFO  L93              Difference]: Finished difference Result 73 states and 115 transitions.
[2024-11-07 08:30:45,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 08:30:45,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64
[2024-11-07 08:30:45,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:30:45,293 INFO  L225             Difference]: With dead ends: 73
[2024-11-07 08:30:45,293 INFO  L226             Difference]: Without dead ends: 36
[2024-11-07 08:30:45,296 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:30:45,300 INFO  L432           NwaCegarLoop]: 49 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, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:30:45,301 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:30:45,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-07 08:30:45,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-07 08:30:45,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 08:30:45,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions.
[2024-11-07 08:30:45,330 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 64
[2024-11-07 08:30:45,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:30:45,331 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 49 transitions.
[2024-11-07 08:30:45,331 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 08:30:45,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions.
[2024-11-07 08:30:45,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-07 08:30:45,333 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:30:45,333 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:30:45,343 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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
[2024-11-07 08:30:45,537 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:30:45,537 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:30:45,538 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:30:45,538 INFO  L85        PathProgramCache]: Analyzing trace with hash 485064543, now seen corresponding path program 1 times
[2024-11-07 08:30:45,539 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:30:45,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691191277]
[2024-11-07 08:30:45,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:30:45,539 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:30:45,539 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:30:45,542 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:30:45,543 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-07 08:30:45,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:30:45,792 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-07 08:30:45,798 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:31:24,006 WARN  L286               SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-07 08:32:14,249 WARN  L286               SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)