./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.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-75.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', '78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d']
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-75.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 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:35:13,825 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:35:13,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 08:35:13,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:35:13,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:35:13,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:35:13,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:35:13,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:35:13,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:35:13,950 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 08:35:13,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:35:13,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:35:13,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:35:13,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 08:35:13,952 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 08:35:13,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:35:13,953 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 08:35:13,954 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 08:35:13,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 08:35:13,954 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 08:35:13,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:35:13,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 08:35:13,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:35:13,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 08:35:13,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:35:13,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:35:13,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:35:13,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:35:13,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 08:35:13,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 08:35:13,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:35:13,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:35:13,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:35:13,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:35:13,957 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 -> 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d
[2024-11-07 08:35:14,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:35:14,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:35:14,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:35:14,288 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 08:35:14,288 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 08:35:14,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:15,589 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:35:15,815 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 08:35:15,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:15,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/560a75022/f8ea4ae5c7654eae99e24670f866abcf/FLAG51641b3d8
[2024-11-07 08:35:15,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/560a75022/f8ea4ae5c7654eae99e24670f866abcf
[2024-11-07 08:35:15,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:35:15,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:35:15,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:35:15,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:35:15,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:35:15,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:15" (1/1) ...
[2024-11-07 08:35:15,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7415b9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:15, skipping insertion in model container
[2024-11-07 08:35:15,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:15" (1/1) ...
[2024-11-07 08:35:15,868 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:35:15,999 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-75.i[915,928]
[2024-11-07 08:35:16,046 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:35:16,056 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 08:35:16,066 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-75.i[915,928]
[2024-11-07 08:35:16,093 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:35:16,107 INFO L204 MainTranslator]: Completed translation
[2024-11-07 08:35:16,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16 WrapperNode
[2024-11-07 08:35:16,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:35:16,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:35:16,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:35:16,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:35:16,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,170 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100
[2024-11-07 08:35:16,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:35:16,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:35:16,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:35:16,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:35:16,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,213 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 08:35:16,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:35:16,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:35:16,238 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:35:16,238 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:35:16,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (1/1) ...
[2024-11-07 08:35:16,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:35:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:35:16,276 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 08:35:16,283 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 08:35:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:35:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:35:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:35:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 08:35:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:35:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:35:16,386 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 08:35:16,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:35:16,640 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-07 08:35:16,640 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 08:35:16,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:35:16,650 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:35:16,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:16 BoogieIcfgContainer
[2024-11-07 08:35:16,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:35:16,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:35:16,653 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:35:16,658 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:35:16,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:35:15" (1/3) ...
[2024-11-07 08:35:16,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6dbcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:16, skipping insertion in model container
[2024-11-07 08:35:16,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:16" (2/3) ...
[2024-11-07 08:35:16,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6dbcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:16, skipping insertion in model container
[2024-11-07 08:35:16,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:16" (3/3) ...
[2024-11-07 08:35:16,662 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:16,675 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:35:16,676 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:35:16,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:35:16,733 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;@157fdae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:35:16,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:35:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-07 08:35:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:16,746 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:16,747 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:16,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:16,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:16,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1088366336, now seen corresponding path program 1 times
[2024-11-07 08:35:16,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:35:16,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264597205]
[2024-11-07 08:35:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:35:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:35:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:35:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:35:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 08:35:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-07 08:35:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 08:35:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-07 08:35:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 08:35:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-07 08:35:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 08:35:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-07 08:35:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-07 08:35:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2024-11-07 08:35:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:35:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-07 08:35:17,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:35:17,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264597205]
[2024-11-07 08:35:17,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264597205] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:35:17,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:35:17,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:35:17,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561461806]
[2024-11-07 08:35:17,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:35:17,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:35:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:35:17,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:35:17,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:35:17,189 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-07 08:35:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:35:17,214 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions.
[2024-11-07 08:35:17,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 08:35:17,217 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92
[2024-11-07 08:35:17,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:35:17,225 INFO L225 Difference]: With dead ends: 85
[2024-11-07 08:35:17,226 INFO L226 Difference]: Without dead ends: 42
[2024-11-07 08:35:17,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:35:17,235 INFO L432 NwaCegarLoop]: 58 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, 58 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 08:35:17,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:35:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-11-07 08:35:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-11-07 08:35:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-07 08:35:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions.
[2024-11-07 08:35:17,282 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 92
[2024-11-07 08:35:17,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:35:17,282 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions.
[2024-11-07 08:35:17,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-07 08:35:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions.
[2024-11-07 08:35:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:17,287 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:17,287 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:17,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 08:35:17,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:17,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:17,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1600446904, now seen corresponding path program 1 times
[2024-11-07 08:35:17,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:35:17,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609696828]
[2024-11-07 08:35:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:17,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:35:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-07 08:35:17,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346289948]
[2024-11-07 08:35:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:17,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:35:17,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:35:17,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 08:35:17,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-07 08:35:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:17,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-07 08:35:17,650 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:35:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-07 08:35:17,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:35:17,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:35:17,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609696828]
[2024-11-07 08:35:17,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-07 08:35:17,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346289948]
[2024-11-07 08:35:17,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346289948] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:35:17,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:35:17,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:35:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690759046]
[2024-11-07 08:35:17,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:35:17,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 08:35:17,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:35:17,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 08:35:17,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 08:35:17,941 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-07 08:35:18,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:35:18,096 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions.
[2024-11-07 08:35:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 08:35:18,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92
[2024-11-07 08:35:18,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:35:18,100 INFO L225 Difference]: With dead ends: 121
[2024-11-07 08:35:18,101 INFO L226 Difference]: Without dead ends: 82
[2024-11-07 08:35:18,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-07 08:35:18,103 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:35:18,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 179 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 08:35:18,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-07 08:35:18,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72.
[2024-11-07 08:35:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-07 08:35:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions.
[2024-11-07 08:35:18,126 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 92
[2024-11-07 08:35:18,126 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:35:18,126 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions.
[2024-11-07 08:35:18,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-07 08:35:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions.
[2024-11-07 08:35:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:18,129 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:18,129 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:18,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-07 08:35:18,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:35:18,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:18,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:18,331 INFO L85 PathProgramCache]: Analyzing trace with hash 791100278, now seen corresponding path program 1 times
[2024-11-07 08:35:18,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:35:18,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956769053]
[2024-11-07 08:35:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:18,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:35:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-07 08:35:18,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325900889]
[2024-11-07 08:35:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:35:18,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:35:18,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 08:35:18,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-07 08:35:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:35:18,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 08:35:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:35:18,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 08:35:18,652 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 08:35:18,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-07 08:35:18,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-07 08:35:18,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:35:18,862 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-07 08:35:18,915 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 08:35:18,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:35:18 BoogieIcfgContainer
[2024-11-07 08:35:18,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 08:35:18,919 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 08:35:18,919 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 08:35:18,919 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 08:35:18,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:16" (3/4) ...
[2024-11-07 08:35:18,921 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 08:35:18,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 08:35:18,923 INFO L158 Benchmark]: Toolchain (without parser) took 3082.13ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 83.3MB in the end (delta: 8.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB.
[2024-11-07 08:35:18,923 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:35:18,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.31ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:35:18,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.81ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:35:18,924 INFO L158 Benchmark]: Boogie Preprocessor took 61.46ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 69.9MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:35:18,924 INFO L158 Benchmark]: RCFGBuilder took 413.03ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 53.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 08:35:18,925 INFO L158 Benchmark]: TraceAbstraction took 2265.11ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 52.5MB in the beginning and 83.3MB in the end (delta: -30.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB.
[2024-11-07 08:35:18,925 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:35:18,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 265.31ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 65.81ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 61.46ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 69.9MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 413.03ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 53.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2265.11ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 52.5MB in the beginning and 83.3MB in the end (delta: -30.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB.
* Witness Printer took 3.63ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 34.6kB). 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 85, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 51.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 32;
[L23] unsigned char var_1_7 = 128;
[L24] unsigned char var_1_8 = 64;
[L25] unsigned char var_1_9 = 100;
[L26] unsigned char var_1_10 = 1;
[L27] float var_1_11 = -0.6;
[L28] unsigned char var_1_12 = 1;
[L29] double var_1_13 = 999999999999999.2;
[L30] float var_1_14 = 50.25;
[L31] float var_1_15 = 15.5;
[L32] float var_1_16 = 128.5;
[L33] unsigned char var_1_17 = 0;
[L34] unsigned char last_1_var_1_17 = 0;
VAL [isInitial=0, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=128, var_1_8=64, var_1_9=100]
[L89] isInitial = 1
[L90] FCALL initially()
[L91] COND TRUE 1
[L92] CALL updateLastVariables()
[L82] last_1_var_1_17 = var_1_17
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=128, var_1_8=64, var_1_9=100]
[L92] RET updateLastVariables()
[L93] CALL updateVariables()
[L57] var_1_7 = __VERIFIER_nondet_uchar()
[L58] CALL assume_abort_if_not(var_1_7 >= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L58] RET assume_abort_if_not(var_1_7 >= 127)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L59] CALL assume_abort_if_not(var_1_7 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L59] RET assume_abort_if_not(var_1_7 <= 254)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=64, var_1_9=100]
[L60] var_1_8 = __VERIFIER_nondet_uchar()
[L61] CALL assume_abort_if_not(var_1_8 >= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L61] RET assume_abort_if_not(var_1_8 >= 63)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L62] CALL assume_abort_if_not(var_1_8 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L62] RET assume_abort_if_not(var_1_8 <= 127)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=100]
[L63] var_1_9 = __VERIFIER_nondet_uchar()
[L64] CALL assume_abort_if_not(var_1_9 >= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L64] RET assume_abort_if_not(var_1_9 >= 63)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L65] CALL assume_abort_if_not(var_1_9 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L65] RET assume_abort_if_not(var_1_9 <= 127)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L66] var_1_10 = __VERIFIER_nondet_uchar()
[L67] CALL assume_abort_if_not(var_1_10 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L67] RET assume_abort_if_not(var_1_10 >= 0)
VAL [isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L68] CALL assume_abort_if_not(var_1_10 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L68] RET assume_abort_if_not(var_1_10 <= 63)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L69] var_1_12 = __VERIFIER_nondet_uchar()
[L70] CALL assume_abort_if_not(var_1_12 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L70] RET assume_abort_if_not(var_1_12 >= 0)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L71] CALL assume_abort_if_not(var_1_12 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L71] RET assume_abort_if_not(var_1_12 <= 1)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L72] var_1_13 = __VERIFIER_nondet_double()
[L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L74] var_1_14 = __VERIFIER_nondet_float()
[L75] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L75] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L76] var_1_15 = __VERIFIER_nondet_float()
[L77] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L77] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L78] var_1_16 = __VERIFIER_nondet_float()
[L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L93] RET updateVariables()
[L94] CALL step()
[L38] signed long int stepLocal_0 = (last_1_var_1_17 * last_1_var_1_17) * last_1_var_1_17;
VAL [isInitial=1, last_1_var_1_17=0, stepLocal_0=0, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=1022, var_1_8=63, var_1_9=63]
[L39] COND FALSE !(stepLocal_0 < ((((last_1_var_1_17) > (last_1_var_1_17)) ? (last_1_var_1_17) : (last_1_var_1_17))))
[L42] var_1_1 = var_1_8
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L44] unsigned char stepLocal_1 = var_1_1;
VAL [isInitial=1, last_1_var_1_17=0, stepLocal_1=63, var_1_10=62, var_1_12=0, var_1_17=0, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L45] COND TRUE stepLocal_1 >= var_1_1
[L46] var_1_17 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - (((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) < 0 ) ? -((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) : ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_12=0, var_1_17=191, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L50] COND TRUE var_1_12 || ((var_1_13 * 49.25) == 32.8)
[L51] var_1_11 = (((((var_1_14 + var_1_15)) > (var_1_16)) ? ((var_1_14 + var_1_15)) : (var_1_16)))
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=191, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L94] RET step()
[L95] CALL, EXPR property()
[L85-L86] return (((((last_1_var_1_17 * last_1_var_1_17) * last_1_var_1_17) < ((((last_1_var_1_17) > (last_1_var_1_17)) ? (last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_1 == ((unsigned char) (var_1_7 - (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)))) : (var_1_1 == ((unsigned char) var_1_8))) && ((var_1_12 || ((var_1_13 * 49.25) == 32.8)) ? (var_1_11 == ((float) (((((var_1_14 + var_1_15)) > (var_1_16)) ? ((var_1_14 + var_1_15)) : (var_1_16))))) : (var_1_11 == ((float) var_1_15)))) && ((var_1_1 >= var_1_1) ? (var_1_17 == ((unsigned char) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - (((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) < 0 ) ? -((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) : ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))))) : (var_1_17 == ((unsigned char) var_1_8)))
;
VAL [\result=0, isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=191, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L95] RET, EXPR property()
[L95] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=191, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_17=0, var_1_10=62, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=191, var_1_1=63, var_1_7=1022, var_1_8=63, var_1_9=63]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 112 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 1 NumberOfNonLiveVariables, 213 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 728/728 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 08:35:18,952 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-75.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 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:35:21,145 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:35:21,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-07 08:35:21,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:35:21,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:35:21,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:35:21,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:35:21,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:35:21,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:35:21,287 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 08:35:21,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:35:21,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:35:21,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:35:21,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 08:35:21,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 08:35:21,288 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 08:35:21,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:35:21,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:35:21,289 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 08:35:21,290 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 08:35:21,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:35:21,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:35:21,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:35:21,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:35:21,290 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 -> 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d
[2024-11-07 08:35:21,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:35:21,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:35:21,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:35:21,571 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 08:35:21,571 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 08:35:21,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:22,896 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:35:23,123 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 08:35:23,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:23,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ae1d84af/b938f8a8262745e7bf623fe883840ddd/FLAGb53400259
[2024-11-07 08:35:23,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ae1d84af/b938f8a8262745e7bf623fe883840ddd
[2024-11-07 08:35:23,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:35:23,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:35:23,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:35:23,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:35:23,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:35:23,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c229e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23, skipping insertion in model container
[2024-11-07 08:35:23,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,187 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:35:23,326 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-75.i[915,928]
[2024-11-07 08:35:23,379 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:35:23,396 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 08:35:23,406 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-75.i[915,928]
[2024-11-07 08:35:23,424 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:35:23,444 INFO L204 MainTranslator]: Completed translation
[2024-11-07 08:35:23,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23 WrapperNode
[2024-11-07 08:35:23,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:35:23,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:35:23,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:35:23,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:35:23,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,503 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100
[2024-11-07 08:35:23,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:35:23,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:35:23,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:35:23,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:35:23,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,539 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 08:35:23,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:35:23,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:35:23,571 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:35:23,571 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:35:23,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (1/1) ...
[2024-11-07 08:35:23,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:35:23,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:35:23,608 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 08:35:23,615 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 08:35:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:35:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 08:35:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:35:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:35:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:35:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:35:23,720 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 08:35:23,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:35:24,839 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-07 08:35:24,839 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 08:35:24,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:35:24,849 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:35:24,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:24 BoogieIcfgContainer
[2024-11-07 08:35:24,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:35:24,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:35:24,853 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:35:24,858 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:35:24,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:35:23" (1/3) ...
[2024-11-07 08:35:24,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c9869a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:24, skipping insertion in model container
[2024-11-07 08:35:24,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:23" (2/3) ...
[2024-11-07 08:35:24,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c9869a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:24, skipping insertion in model container
[2024-11-07 08:35:24,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:24" (3/3) ...
[2024-11-07 08:35:24,861 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-75.i
[2024-11-07 08:35:24,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:35:24,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:35:24,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:35:24,944 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;@7fb04945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:35:24,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:35:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-07 08:35:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:24,962 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:24,962 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:24,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:24,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1088366336, now seen corresponding path program 1 times
[2024-11-07 08:35:24,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:35:24,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663758178]
[2024-11-07 08:35:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:24,993 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 08:35:24,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:35:24,998 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 08:35:25,000 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 08:35:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:25,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 08:35:25,275 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:35:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked.
[2024-11-07 08:35:25,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:35:25,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:35:25,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663758178]
[2024-11-07 08:35:25,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663758178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:35:25,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:35:25,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:35:25,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138002361]
[2024-11-07 08:35:25,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:35:25,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:35:25,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:35:25,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:35:25,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:35:25,346 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-07 08:35:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:35:25,371 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions.
[2024-11-07 08:35:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 08:35:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92
[2024-11-07 08:35:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:35:25,380 INFO L225 Difference]: With dead ends: 85
[2024-11-07 08:35:25,381 INFO L226 Difference]: Without dead ends: 42
[2024-11-07 08:35:25,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 08:35:25,392 INFO L432 NwaCegarLoop]: 58 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, 58 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 08:35:25,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:35:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-11-07 08:35:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-11-07 08:35:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-07 08:35:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions.
[2024-11-07 08:35:25,432 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 92
[2024-11-07 08:35:25,432 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:35:25,432 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions.
[2024-11-07 08:35:25,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-07 08:35:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions.
[2024-11-07 08:35:25,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:25,438 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:25,438 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:25,453 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 08:35:25,639 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 08:35:25,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:25,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1600446904, now seen corresponding path program 1 times
[2024-11-07 08:35:25,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:35:25,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616587244]
[2024-11-07 08:35:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:25,642 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 08:35:25,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:35:25,644 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 08:35:25,646 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 08:35:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:25,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 08:35:25,880 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:35:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-07 08:35:26,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:35:26,210 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:35:26,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616587244]
[2024-11-07 08:35:26,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616587244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:35:26,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:35:26,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:35:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832110692]
[2024-11-07 08:35:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:35:26,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 08:35:26,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:35:26,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 08:35:26,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 08:35:26,212 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-07 08:35:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:35:27,064 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions.
[2024-11-07 08:35:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 08:35:27,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92
[2024-11-07 08:35:27,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:35:27,078 INFO L225 Difference]: With dead ends: 121
[2024-11-07 08:35:27,078 INFO L226 Difference]: Without dead ends: 82
[2024-11-07 08:35:27,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-07 08:35:27,080 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-07 08:35:27,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 179 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-07 08:35:27,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-07 08:35:27,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72.
[2024-11-07 08:35:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-07 08:35:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions.
[2024-11-07 08:35:27,107 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 92
[2024-11-07 08:35:27,107 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:35:27,107 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions.
[2024-11-07 08:35:27,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-07 08:35:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions.
[2024-11-07 08:35:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-07 08:35:27,110 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 08:35:27,110 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:35:27,122 INFO L540 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)] Forceful destruction successful, exit code 0
[2024-11-07 08:35:27,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 08:35:27,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:35:27,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:35:27,313 INFO L85 PathProgramCache]: Analyzing trace with hash 791100278, now seen corresponding path program 1 times
[2024-11-07 08:35:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:35:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127848034]
[2024-11-07 08:35:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:35:27,314 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 08:35:27,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:35:27,317 INFO L229 MonitoredProcess]: Starting monitored process 4 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 08:35:27,318 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 (4)] Waiting until timeout for monitored process
[2024-11-07 08:35:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:35:27,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-07 08:35:27,556 INFO L278 TraceCheckSpWp]: Computing forward predicates...