./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/exp_4_unsafe.c-amalgamation.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/neural-networks/exp_4_unsafe.c-amalgamation.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', '5f2f275be1bc64878f3fa8c0cc98d410f75766d8acda1f5a74b32c4e3f3632e7']
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/neural-networks/exp_4_unsafe.c-amalgamation.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 5f2f275be1bc64878f3fa8c0cc98d410f75766d8acda1f5a74b32c4e3f3632e7
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:36:21,012 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:36:21,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:36:21,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:36:21,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:36:21,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:36:21,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:36:21,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:36:21,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:36:21,117 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:36:21,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:36:21,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:36:21,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:36:21,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:36:21,118 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:36:21,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:36:21,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:36:21,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:36:21,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 21:36:21,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:36:21,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:36:21,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:36:21,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:36:21,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:36:21,120 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 -> 5f2f275be1bc64878f3fa8c0cc98d410f75766d8acda1f5a74b32c4e3f3632e7
[2024-11-06 21:36:21,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:36:21,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:36:21,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:36:21,343 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:36:21,343 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:36:21,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:22,448 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:36:22,723 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:36:22,723 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:22,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3affcac00/61353de3df694996b5c10942f381622b/FLAG5cba5fd22
[2024-11-06 21:36:23,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3affcac00/61353de3df694996b5c10942f381622b
[2024-11-06 21:36:23,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:36:23,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:36:23,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:36:23,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:36:23,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:36:23,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efcb646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23, skipping insertion in model container
[2024-11-06 21:36:23,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,039 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:36:23,363 WARN L1674 CHandler]: Possible shadowing of function y1
[2024-11-06 21:36:23,366 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/neural-networks/exp_4_unsafe.c-amalgamation.i[63145,63158]
[2024-11-06 21:36:23,369 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:36:23,375 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:36:23,411 WARN L1674 CHandler]: Possible shadowing of function y1
[2024-11-06 21:36:23,411 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/neural-networks/exp_4_unsafe.c-amalgamation.i[63145,63158]
[2024-11-06 21:36:23,412 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:36:23,526 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:36:23,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23 WrapperNode
[2024-11-06 21:36:23,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:36:23,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:36:23,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:36:23,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:36:23,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,561 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30
[2024-11-06 21:36:23,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:36:23,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:36:23,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:36:23,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:36:23,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,577 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0].
[2024-11-06 21:36:23,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:36:23,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:36:23,589 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:36:23,589 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:36:23,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (1/1) ...
[2024-11-06 21:36:23,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:36:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:36:23,614 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)
[2024-11-06 21:36:23,616 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
[2024-11-06 21:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:36:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 21:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 21:36:23,713 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:36:23,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:36:23,753 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live.
[2024-11-06 21:36:23,753 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:36:23,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:36:23,759 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-06 21:36:23,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:23 BoogieIcfgContainer
[2024-11-06 21:36:23,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:36:23,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:36:23,760 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:36:23,763 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:36:23,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:36:23" (1/3) ...
[2024-11-06 21:36:23,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59db1c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:23, skipping insertion in model container
[2024-11-06 21:36:23,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:23" (2/3) ...
[2024-11-06 21:36:23,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59db1c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:23, skipping insertion in model container
[2024-11-06 21:36:23,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:23" (3/3) ...
[2024-11-06 21:36:23,765 INFO L112 eAbstractionObserver]: Analyzing ICFG exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:23,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:36:23,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:36:23,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:36:23,819 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;@3c00f55b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:36:23,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:36:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-06 21:36:23,826 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:36:23,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-06 21:36:23,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:36:23,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:36:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times
[2024-11-06 21:36:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:36:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704795229]
[2024-11-06 21:36:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:36:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:36:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:36:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:36:23,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:36:23,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704795229]
[2024-11-06 21:36:23,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704795229] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:36:23,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:36:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:36:23,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252539315]
[2024-11-06 21:36:23,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:36:23,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:36:23,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:36:23,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:36:23,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:36:23,945 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:23,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:36:23,951 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2024-11-06 21:36:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:36:23,952 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-06 21:36:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:36:23,955 INFO L225 Difference]: With dead ends: 19
[2024-11-06 21:36:23,955 INFO L226 Difference]: Without dead ends: 7
[2024-11-06 21:36:23,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:36:23,959 INFO L432 NwaCegarLoop]: 10 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, 10 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
[2024-11-06 21:36:23,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:36:23,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2024-11-06 21:36:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2024-11-06 21:36:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions.
[2024-11-06 21:36:23,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6
[2024-11-06 21:36:23,978 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:36:23,978 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions.
[2024-11-06 21:36:23,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions.
[2024-11-06 21:36:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-06 21:36:23,979 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:36:23,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-06 21:36:23,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:36:23,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:36:23,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:36:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times
[2024-11-06 21:36:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:36:23,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118966473]
[2024-11-06 21:36:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:36:23,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:36:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:36:23,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:36:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:36:24,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:36:24,011 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:36:24,012 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:36:24,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:36:24,015 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:36:24,022 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:36:24,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:36:24 BoogieIcfgContainer
[2024-11-06 21:36:24,024 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:36:24,025 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:36:24,025 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:36:24,025 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:36:24,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:23" (3/4) ...
[2024-11-06 21:36:24,027 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:36:24,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:36:24,028 INFO L158 Benchmark]: Toolchain (without parser) took 1019.15ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 60.9MB in the end (delta: 13.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB.
[2024-11-06 21:36:24,028 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:24,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.67ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 50.5MB in the end (delta: 23.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB.
[2024-11-06 21:36:24,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.92ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 48.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:36:24,029 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:24,029 INFO L158 Benchmark]: RCFGBuilder took 170.49ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 37.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:36:24,029 INFO L158 Benchmark]: TraceAbstraction took 263.98ms. Allocated memory is still 100.7MB. Free memory was 37.5MB in the beginning and 61.5MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:24,029 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 597.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:24,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 517.67ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 50.5MB in the end (delta: 23.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.92ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 48.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 25.87ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 170.49ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 37.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 263.98ms. Allocated memory is still 100.7MB. Free memory was 37.5MB in the beginning and 61.5MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 2.75ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 597.0kB). 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: 853]: 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 853, overapproximation of someBinaryArithmeticFLOAToperation at line 849.
Possible FailurePath:
[L847] float x1 = __VERIFIER_nondet_float();
[L848] COND FALSE !(!(__builtin_isgreaterequal(x1, -88.0f) && __builtin_islessequal(x1, 88.0f)))
[L849] float x2 = x1 + 1e-2f;
[L850] float y1 = expf(x1);
[L851] float y2 = expf(x2);
[L852] float derivative = (y2 - y1) / 1e-2f;
[L853] COND TRUE !(__builtin_isgreaterequal(derivative, y2))
[L853] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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
[2024-11-06 21:36:24,049 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/neural-networks/exp_4_unsafe.c-amalgamation.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 5f2f275be1bc64878f3fa8c0cc98d410f75766d8acda1f5a74b32c4e3f3632e7
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:36:25,783 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:36:25,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:36:25,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:36:25,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:36:25,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:36:25,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:36:25,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:36:25,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:36:25,894 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:36:25,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:36:25,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:36:25,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:36:25,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:36:25,895 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:36:25,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:36:25,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:36:25,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:36:25,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:36:25,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:36:25,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:36:25,898 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 -> 5f2f275be1bc64878f3fa8c0cc98d410f75766d8acda1f5a74b32c4e3f3632e7
[2024-11-06 21:36:26,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:36:26,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:36:26,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:36:26,126 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:36:26,127 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:36:26,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:27,255 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:36:27,483 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:36:27,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:27,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aa94b6540/77230920c0174608b55f8f4455fcf268/FLAG5e354a6ee
[2024-11-06 21:36:27,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aa94b6540/77230920c0174608b55f8f4455fcf268
[2024-11-06 21:36:27,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:36:27,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:36:27,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:36:27,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:36:27,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:36:27,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:27" (1/1) ...
[2024-11-06 21:36:27,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b20fce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:27, skipping insertion in model container
[2024-11-06 21:36:27,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:27" (1/1) ...
[2024-11-06 21:36:27,546 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:36:27,946 WARN L1674 CHandler]: Possible shadowing of function y1
[2024-11-06 21:36:27,948 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/neural-networks/exp_4_unsafe.c-amalgamation.i[63145,63158]
[2024-11-06 21:36:27,951 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:36:27,959 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:36:27,994 WARN L1674 CHandler]: Possible shadowing of function y1
[2024-11-06 21:36:27,994 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/neural-networks/exp_4_unsafe.c-amalgamation.i[63145,63158]
[2024-11-06 21:36:27,995 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:36:28,085 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:36:28,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28 WrapperNode
[2024-11-06 21:36:28,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:36:28,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:36:28,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:36:28,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:36:28,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,120 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2024-11-06 21:36:28,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:36:28,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:36:28,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:36:28,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:36:28,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,134 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0].
[2024-11-06 21:36:28,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:36:28,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:36:28,147 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:36:28,148 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:36:28,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (1/1) ...
[2024-11-06 21:36:28,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:36:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:36:28,189 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)
[2024-11-06 21:36:28,195 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
[2024-11-06 21:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:36:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:36:28,304 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:36:28,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:36:28,636 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-11-06 21:36:28,637 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:36:28,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:36:28,643 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-06 21:36:28,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:28 BoogieIcfgContainer
[2024-11-06 21:36:28,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:36:28,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:36:28,645 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:36:28,648 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:36:28,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:36:27" (1/3) ...
[2024-11-06 21:36:28,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79644098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:28, skipping insertion in model container
[2024-11-06 21:36:28,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:28" (2/3) ...
[2024-11-06 21:36:28,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79644098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:28, skipping insertion in model container
[2024-11-06 21:36:28,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:28" (3/3) ...
[2024-11-06 21:36:28,651 INFO L112 eAbstractionObserver]: Analyzing ICFG exp_4_unsafe.c-amalgamation.i
[2024-11-06 21:36:28,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:36:28,662 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:36:28,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:36:28,707 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;@151ce60a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:36:28,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:36:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-06 21:36:28,716 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:36:28,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-06 21:36:28,716 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:36:28,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:36:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times
[2024-11-06 21:36:28,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:36:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371873565]
[2024-11-06 21:36:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:36:28,727 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
[2024-11-06 21:36:28,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:36:28,730 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)
[2024-11-06 21:36:28,731 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
[2024-11-06 21:36:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:36:28,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:36:28,941 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:36:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:36:28,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:36:28,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:36:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371873565]
[2024-11-06 21:36:28,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371873565] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:36:28,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:36:28,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:36:28,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004427386]
[2024-11-06 21:36:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:36:28,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:36:28,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:36:28,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:36:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:36:28,971 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:36:28,977 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2024-11-06 21:36:28,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:36:28,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-06 21:36:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:36:28,984 INFO L225 Difference]: With dead ends: 19
[2024-11-06 21:36:28,984 INFO L226 Difference]: Without dead ends: 7
[2024-11-06 21:36:28,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:36:28,989 INFO L432 NwaCegarLoop]: 10 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, 10 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
[2024-11-06 21:36:28,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:36:29,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2024-11-06 21:36:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2024-11-06 21:36:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:29,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions.
[2024-11-06 21:36:29,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6
[2024-11-06 21:36:29,012 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:36:29,012 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions.
[2024-11-06 21:36:29,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:36:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions.
[2024-11-06 21:36:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-06 21:36:29,013 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:36:29,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-06 21:36:29,021 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
[2024-11-06 21:36:29,213 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
[2024-11-06 21:36:29,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:36:29,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:36:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times
[2024-11-06 21:36:29,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:36:29,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726641753]
[2024-11-06 21:36:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:36:29,215 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
[2024-11-06 21:36:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:36:29,217 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)
[2024-11-06 21:36:29,217 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
[2024-11-06 21:36:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:36:29,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:36:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:36:29,635 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-06 21:36:29,635 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:36:29,636 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:36:29,646 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 (3)] Ended with exit code 0
[2024-11-06 21:36:29,841 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
[2024-11-06 21:36:29,844 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:36:29,854 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:36:29,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:36:29 BoogieIcfgContainer
[2024-11-06 21:36:29,856 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:36:29,856 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:36:29,857 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:36:29,857 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:36:29,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:28" (3/4) ...
[2024-11-06 21:36:29,859 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:36:29,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:36:29,860 INFO L158 Benchmark]: Toolchain (without parser) took 2341.79ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 51.6MB in the end (delta: 6.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB.
[2024-11-06 21:36:29,860 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:29,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.43ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 37.1MB in the end (delta: 20.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB.
[2024-11-06 21:36:29,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.72ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 34.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:29,861 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 83.9MB. Free memory was 34.4MB in the beginning and 32.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:29,861 INFO L158 Benchmark]: RCFGBuilder took 495.84ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 47.3MB in the end (delta: -14.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
[2024-11-06 21:36:29,861 INFO L158 Benchmark]: TraceAbstraction took 1211.25ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 51.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:29,861 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 83.9MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:36:29,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 567.43ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 37.1MB in the end (delta: 20.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.72ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 34.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 25.85ms. Allocated memory is still 83.9MB. Free memory was 34.4MB in the beginning and 32.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 495.84ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 47.3MB in the end (delta: -14.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 1211.25ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 51.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 2.85ms. Allocated memory is still 83.9MB. Free memory is still 51.6MB. 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: 853]: 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 expf at line 850.
Possible FailurePath:
[L847] float x1 = __VERIFIER_nondet_float();
[L848] COND FALSE !(!(__builtin_isgreaterequal(x1, -88.0f) && __builtin_islessequal(x1, 88.0f)))
VAL [x1=0.0]
[L849] float x2 = x1 + 1e-2f;
[L850] float y1 = expf(x1);
[L851] float y2 = expf(x2);
[L852] float derivative = (y2 - y1) / 1e-2f;
VAL [derivative=-204.6875, y2=-2.046875]
[L853] COND TRUE !(__builtin_isgreaterequal(derivative, y2))
[L853] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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
[2024-11-06 21:36:29,890 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
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample