./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/sina2f.c --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/array-fpi/sina2f.c', '-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', 'e23a153007909016a01fbe630ca1e32f2767aaf9a3ccafb094486520a26abba4']
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/array-fpi/sina2f.c -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 e23a153007909016a01fbe630ca1e32f2767aaf9a3ccafb094486520a26abba4
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 18:46:49,293 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 18:46:49,368 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 18:46:49,372 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 18:46:49,373 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 18:46:49,397 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 18:46:49,397 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 18:46:49,398 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 18:46:49,398 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 18:46:49,398 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 18:46:49,398 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 18:46:49,399 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 18:46:49,399 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 18:46:49,399 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 18:46:49,400 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 18:46:49,402 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 18:46:49,402 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 18:46:49,402 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 18:46:49,403 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 18:46:49,403 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 18:46:49,403 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 18:46:49,403 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 18:46:49,403 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 18:46:49,404 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 18:46:49,404 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 -> e23a153007909016a01fbe630ca1e32f2767aaf9a3ccafb094486520a26abba4
[2024-11-06 18:46:49,686 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 18:46:49,697 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 18:46:49,699 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 18:46:49,700 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 18:46:49,701 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 18:46:49,701 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sina2f.c
[2024-11-06 18:46:50,982 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 18:46:51,200 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 18:46:51,201 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-fpi/sina2f.c
[2024-11-06 18:46:51,210 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a94ecf0f1/61d877e412ce44438373b18671d0878e/FLAGe653ff012
[2024-11-06 18:46:51,535 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a94ecf0f1/61d877e412ce44438373b18671d0878e
[2024-11-06 18:46:51,537 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 18:46:51,538 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 18:46:51,539 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 18:46:51,539 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 18:46:51,542 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 18:46:51,543 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,543 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db503e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51, skipping insertion in model container
[2024-11-06 18:46:51,543 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,553 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 18:46:51,681 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/array-fpi/sina2f.c[589,602]
[2024-11-06 18:46:51,704 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 18:46:51,712 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 18:46:51,722 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/array-fpi/sina2f.c[589,602]
[2024-11-06 18:46:51,729 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 18:46:51,745 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 18:46:51,746 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51 WrapperNode
[2024-11-06 18:46:51,747 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 18:46:51,748 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 18:46:51,748 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 18:46:51,748 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 18:46:51,754 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,764 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,783 INFO  L138                Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84
[2024-11-06 18:46:51,785 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 18:46:51,785 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 18:46:51,785 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 18:46:51,786 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 18:46:51,794 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,795 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,797 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,812 INFO  L175           MemorySlicer]: Split 11 memory accesses to 3 slices as follows [2, 5, 4]. 45 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2].
[2024-11-06 18:46:51,815 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,815 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,824 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,830 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,834 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,834 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,840 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 18:46:51,841 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 18:46:51,841 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 18:46:51,841 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 18:46:51,842 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (1/1) ...
[2024-11-06 18:46:51,850 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 18:46:51,864 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 18:46:51,877 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 18:46:51,881 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 18:46:51,902 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-06 18:46:51,903 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 18:46:51,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 18:46:51,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-06 18:46:51,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-06 18:46:51,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-06 18:46:51,904 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 18:46:51,965 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 18:46:51,966 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 18:46:52,086 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-06 18:46:52,086 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 18:46:52,094 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 18:46:52,094 INFO  L316             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-06 18:46:52,095 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:46:52 BoogieIcfgContainer
[2024-11-06 18:46:52,095 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 18:46:52,097 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 18:46:52,097 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 18:46:52,101 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 18:46:52,102 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:46:51" (1/3) ...
[2024-11-06 18:46:52,102 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e746ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:46:52, skipping insertion in model container
[2024-11-06 18:46:52,102 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:46:51" (2/3) ...
[2024-11-06 18:46:52,102 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e746ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:46:52, skipping insertion in model container
[2024-11-06 18:46:52,103 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:46:52" (3/3) ...
[2024-11-06 18:46:52,104 INFO  L112   eAbstractionObserver]: Analyzing ICFG sina2f.c
[2024-11-06 18:46:52,116 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 18:46:52,117 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 18:46:52,165 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 18:46:52,173 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;@3703a2ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 18:46:52,173 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 18:46:52,180 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 18:46:52,184 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-06 18:46:52,184 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 18:46:52,184 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:46:52,185 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:46:52,188 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:46:52,188 INFO  L85        PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times
[2024-11-06 18:46:52,193 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:46:52,193 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779004633]
[2024-11-06 18:46:52,193 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:46:52,193 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:46:52,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 18:46:52,328 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 18:46:52,329 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 18:46:52,329 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779004633]
[2024-11-06 18:46:52,329 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779004633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 18:46:52,329 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 18:46:52,330 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 18:46:52,331 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410196857]
[2024-11-06 18:46:52,333 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 18:46:52,337 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 18:46:52,338 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 18:46:52,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 18:46:52,351 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 18:46:52,353 INFO  L87              Difference]: Start difference. First operand  has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 18:46:52,361 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 18:46:52,362 INFO  L93              Difference]: Finished difference Result 44 states and 62 transitions.
[2024-11-06 18:46:52,362 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 18:46:52,363 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14
[2024-11-06 18:46:52,363 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 18:46:52,367 INFO  L225             Difference]: With dead ends: 44
[2024-11-06 18:46:52,368 INFO  L226             Difference]: Without dead ends: 20
[2024-11-06 18:46:52,370 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 18:46:52,373 INFO  L432           NwaCegarLoop]: 28 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, 28 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 18:46:52,373 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 18:46:52,385 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-06 18:46:52,392 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-11-06 18:46:52,393 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 18:46:52,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions.
[2024-11-06 18:46:52,399 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14
[2024-11-06 18:46:52,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 18:46:52,400 INFO  L471      AbstractCegarLoop]: Abstraction has 20 states and 23 transitions.
[2024-11-06 18:46:52,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 18:46:52,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions.
[2024-11-06 18:46:52,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-06 18:46:52,401 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 18:46:52,401 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:46:52,402 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 18:46:52,402 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:46:52,403 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:46:52,403 INFO  L85        PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times
[2024-11-06 18:46:52,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:46:52,404 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246614885]
[2024-11-06 18:46:52,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:46:52,404 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:46:52,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 18:46:52,532 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 18:46:52,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 18:46:52,533 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246614885]
[2024-11-06 18:46:52,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246614885] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 18:46:52,533 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 18:46:52,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 18:46:52,534 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169074663]
[2024-11-06 18:46:52,534 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 18:46:52,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 18:46:52,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 18:46:52,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 18:46:52,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-06 18:46:52,536 INFO  L87              Difference]: Start difference. First operand 20 states and 23 transitions. Second operand  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 18:46:52,605 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 18:46:52,605 INFO  L93              Difference]: Finished difference Result 45 states and 53 transitions.
[2024-11-06 18:46:52,606 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 18:46:52,606 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2024-11-06 18:46:52,606 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 18:46:52,607 INFO  L225             Difference]: With dead ends: 45
[2024-11-06 18:46:52,607 INFO  L226             Difference]: Without dead ends: 32
[2024-11-06 18:46:52,607 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-06 18:46:52,608 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 18:46:52,608 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 18:46:52,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-06 18:46:52,613 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23.
[2024-11-06 18:46:52,613 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 18:46:52,613 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions.
[2024-11-06 18:46:52,613 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14
[2024-11-06 18:46:52,614 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 18:46:52,614 INFO  L471      AbstractCegarLoop]: Abstraction has 23 states and 26 transitions.
[2024-11-06 18:46:52,614 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 18:46:52,614 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions.
[2024-11-06 18:46:52,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-06 18:46:52,614 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 18:46:52,615 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:46:52,615 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 18:46:52,615 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:46:52,615 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:46:52,617 INFO  L85        PathProgramCache]: Analyzing trace with hash 615941150, now seen corresponding path program 1 times
[2024-11-06 18:46:52,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:46:52,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929288757]
[2024-11-06 18:46:52,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:46:52,617 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:46:52,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 18:46:52,673 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 18:46:52,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 18:46:52,725 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 18:46:52,725 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-06 18:46:52,726 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 18:46:52,729 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-06 18:46:52,731 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-06 18:46:52,751 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 18:46:52,754 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:46:52 BoogieIcfgContainer
[2024-11-06 18:46:52,754 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 18:46:52,755 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 18:46:52,755 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-06 18:46:52,755 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-06 18:46:52,755 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:46:52" (3/4) ...
[2024-11-06 18:46:52,756 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-06 18:46:52,789 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 18:46:52,790 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 18:46:52,790 INFO  L158              Benchmark]: Toolchain (without parser) took 1251.92ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 50.9MB in the end (delta: 25.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB.
[2024-11-06 18:46:52,791 INFO  L158              Benchmark]: CDTParser took 0.17ms. 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 18:46:52,791 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 208.16ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 65.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:46:52,791 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.83ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 63.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:46:52,792 INFO  L158              Benchmark]: Boogie Preprocessor took 54.91ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:46:52,792 INFO  L158              Benchmark]: RCFGBuilder took 253.88ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 51.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:46:52,792 INFO  L158              Benchmark]: TraceAbstraction took 657.06ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 52.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:46:52,792 INFO  L158              Benchmark]: Witness Printer took 35.22ms. Allocated memory is still 100.7MB. Free memory was 52.9MB in the beginning and 50.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:46:52,794 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 208.16ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 65.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.83ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 63.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 54.91ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 253.88ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 51.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 657.06ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 52.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 35.22ms. Allocated memory is still 100.7MB. Free memory was 52.9MB in the beginning and 50.9MB in the end (delta: 2.0MB). 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
  - CounterExampleResult [Line: 15]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L19]              int N;
       VAL         [N=0]
[L23]              N = __VERIFIER_nondet_int()
[L24]  COND FALSE  !(N <= 0)
[L25]  CALL        assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13]  COND FALSE  !(!cond)
       VAL         [N=1]
[L25]  RET         assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27]              int i;
[L28]              long long sum[1];
[L29]              long long *a = malloc(sizeof(long long)*N);
[L31]              sum[0] = 1
[L32]              i=0
       VAL         [N=1, a={-2:0}, i=0, sum={4:0}]
[L32]  COND TRUE   i<N
[L34]              a[i] = 1
       VAL         [N=1]
[L32]              i++
       VAL         [N=1, a={-2:0}, i=1, sum={4:0}]
[L32]  COND FALSE  !(i<N)
       VAL         [N=1, a={-2:0}, sum={4:0}]
[L37]              i=0
       VAL         [N=1, a={-2:0}, i=0, sum={4:0}]
[L37]  COND TRUE   i<N
[L39]  EXPR        sum[0]
[L39]  EXPR        a[i]
[L39]              sum[0] = sum[0] + a[i]
[L37]              i++
       VAL         [N=1, a={-2:0}, i=1, sum={4:0}]
[L37]  COND FALSE  !(i<N)
       VAL         [N=1, a={-2:0}, sum={4:0}]
[L42]              i=0
       VAL         [N=1, a={-2:0}, i=0, sum={4:0}]
[L42]  COND TRUE   i<N
[L44]  EXPR        a[i]
[L44]  EXPR        sum[0]
[L44]              a[i] = a[i] + sum[0]
[L42]              i++
       VAL         [N=1, a={-2:0}, i=1, sum={4:0}]
[L42]  COND FALSE  !(i<N)
       VAL         [N=1, a={-2:0}, sum={4:0}]
[L47]              i=0
       VAL         [N=1, a={-2:0}, i=0, sum={4:0}]
[L47]  COND TRUE   i<N
[L49]  EXPR        a[i]
[L49]  CALL        __VERIFIER_assert(a[i] == N)
[L15]  COND TRUE   !(cond)
       VAL         [N=1]
[L15]              reach_error()
       VAL         [N=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect!
[2024-11-06 18:46:52,817 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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE