./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.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', '859a920f63c1694866fabc642d8411c9dffc71554bb5d2242e1f57ae0831190e']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.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 859a920f63c1694866fabc642d8411c9dffc71554bb5d2242e1f57ae0831190e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 09:15:36,456 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 09:15:36,542 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 09:15:36,546 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 09:15:36,547 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 09:15:36,562 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 09:15:36,563 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 09:15:36,563 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 09:15:36,563 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 09:15:36,564 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 09:15:36,564 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 09:15:36,564 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 09:15:36,564 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 09:15:36,564 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 09:15:36,564 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 09:15:36,564 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 09:15:36,565 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 09:15:36,566 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 09:15:36,567 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 09:15:36,567 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 09:15:36,567 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 09:15:36,568 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 09:15:36,568 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 09:15:36,568 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 09:15:36,568 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 09:15:36,568 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 09:15:36,568 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 -> 859a920f63c1694866fabc642d8411c9dffc71554bb5d2242e1f57ae0831190e
[2024-11-07 09:15:36,795 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 09:15:36,801 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 09:15:36,804 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 09:15:36,804 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 09:15:36,805 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 09:15:36,805 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i
[2024-11-07 09:15:37,962 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 09:15:38,177 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 09:15:38,178 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i
[2024-11-07 09:15:38,184 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca1f6d649/ca98cae47ba24b2994465c4bdbb49768/FLAG4b3f59862
[2024-11-07 09:15:38,543 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca1f6d649/ca98cae47ba24b2994465c4bdbb49768
[2024-11-07 09:15:38,545 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 09:15:38,546 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 09:15:38,547 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 09:15:38,547 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 09:15:38,550 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 09:15:38,550 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,551 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675ea4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38, skipping insertion in model container
[2024-11-07 09:15:38,551 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,561 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 09:15:38,653 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928]
[2024-11-07 09:15:38,674 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 09:15:38,680 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 09:15:38,687 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928]
[2024-11-07 09:15:38,693 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 09:15:38,704 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 09:15:38,704 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38 WrapperNode
[2024-11-07 09:15:38,704 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 09:15:38,705 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 09:15:38,705 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 09:15:38,705 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 09:15:38,709 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,714 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,725 INFO  L138                Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80
[2024-11-07 09:15:38,725 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 09:15:38,726 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 09:15:38,726 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 09:15:38,726 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 09:15:38,731 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,732 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,733 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,740 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 09:15:38,740 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,740 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,743 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,745 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,746 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,746 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,747 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 09:15:38,747 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 09:15:38,747 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 09:15:38,747 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 09:15:38,748 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (1/1) ...
[2024-11-07 09:15:38,752 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 09:15:38,761 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 09:15:38,771 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 09:15:38,773 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 09:15:38,789 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 09:15:38,789 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 09:15:38,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 09:15:38,789 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 09:15:38,789 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 09:15:38,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 09:15:38,833 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 09:15:38,834 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 09:15:38,940 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-07 09:15:38,940 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 09:15:38,947 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 09:15:38,947 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 09:15:38,948 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:38 BoogieIcfgContainer
[2024-11-07 09:15:38,948 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 09:15:38,949 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 09:15:38,949 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 09:15:38,954 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 09:15:38,954 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:15:38" (1/3) ...
[2024-11-07 09:15:38,955 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f720ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:38, skipping insertion in model container
[2024-11-07 09:15:38,955 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:38" (2/3) ...
[2024-11-07 09:15:38,956 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f720ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:38, skipping insertion in model container
[2024-11-07 09:15:38,956 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:38" (3/3) ...
[2024-11-07 09:15:38,957 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-77.i
[2024-11-07 09:15:38,968 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 09:15:38,969 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 09:15:39,019 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 09:15:39,030 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;@7affa857, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 09:15:39,031 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 09:15:39,035 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 09:15:39,041 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-07 09:15:39,042 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 09:15:39,042 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 09:15:39,043 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 09:15:39,048 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 09:15:39,048 INFO  L85        PathProgramCache]: Analyzing trace with hash 768473224, now seen corresponding path program 1 times
[2024-11-07 09:15:39,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 09:15:39,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991353439]
[2024-11-07 09:15:39,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 09:15:39,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 09:15:39,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,174 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 09:15:39,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,180 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 09:15:39,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,185 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 09:15:39,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,188 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 09:15:39,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,191 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-07 09:15:39,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,194 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 09:15:39,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,197 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-07 09:15:39,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,200 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 09:15:39,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,204 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-07 09:15:39,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,211 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 09:15:39,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,220 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2024-11-07 09:15:39,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,224 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 09:15:39,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,228 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-07 09:15:39,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-07 09:15:39,237 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 09:15:39,239 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991353439]
[2024-11-07 09:15:39,239 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991353439] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 09:15:39,240 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 09:15:39,240 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 09:15:39,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556887760]
[2024-11-07 09:15:39,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 09:15:39,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 09:15:39,255 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 09:15:39,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 09:15:39,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 09:15:39,269 INFO  L87              Difference]: Start difference. First operand  has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-07 09:15:39,283 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 09:15:39,283 INFO  L93              Difference]: Finished difference Result 73 states and 121 transitions.
[2024-11-07 09:15:39,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 09:15:39,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 81
[2024-11-07 09:15:39,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 09:15:39,290 INFO  L225             Difference]: With dead ends: 73
[2024-11-07 09:15:39,290 INFO  L226             Difference]: Without dead ends: 36
[2024-11-07 09:15:39,294 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 09:15:39,297 INFO  L432           NwaCegarLoop]: 50 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, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 09:15:39,297 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 09:15:39,307 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-07 09:15:39,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-07 09:15:39,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 09:15:39,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions.
[2024-11-07 09:15:39,328 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 81
[2024-11-07 09:15:39,329 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 09:15:39,329 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 50 transitions.
[2024-11-07 09:15:39,329 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-07 09:15:39,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions.
[2024-11-07 09:15:39,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-07 09:15:39,332 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 09:15:39,333 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 09:15:39,333 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 09:15:39,334 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 09:15:39,334 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 09:15:39,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 817435530, now seen corresponding path program 1 times
[2024-11-07 09:15:39,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 09:15:39,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175245980]
[2024-11-07 09:15:39,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 09:15:39,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 09:15:39,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,578 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 09:15:39,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,582 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 09:15:39,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,584 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 09:15:39,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,589 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 09:15:39,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,592 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-07 09:15:39,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,599 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 09:15:39,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,601 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-07 09:15:39,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,607 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 09:15:39,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,613 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-07 09:15:39,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,615 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 09:15:39,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,617 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2024-11-07 09:15:39,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,622 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 09:15:39,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,625 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-07 09:15:39,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 09:15:39,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-07 09:15:39,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 09:15:39,629 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175245980]
[2024-11-07 09:15:39,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175245980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 09:15:39,629 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 09:15:39,629 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 09:15:39,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515886203]
[2024-11-07 09:15:39,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 09:15:39,630 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 09:15:39,631 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 09:15:39,631 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 09:15:39,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 09:15:39,631 INFO  L87              Difference]: Start difference. First operand 36 states and 50 transitions. Second operand  has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-07 09:15:39,693 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 09:15:39,693 INFO  L93              Difference]: Finished difference Result 58 states and 82 transitions.
[2024-11-07 09:15:39,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 09:15:39,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 81
[2024-11-07 09:15:39,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 09:15:39,694 INFO  L225             Difference]: With dead ends: 58
[2024-11-07 09:15:39,694 INFO  L226             Difference]: Without dead ends: 0
[2024-11-07 09:15:39,695 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-07 09:15:39,695 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 35 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 09:15:39,695 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 267 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 09:15:39,696 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-07 09:15:39,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-07 09:15:39,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-07 09:15:39,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 09:15:39,696 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81
[2024-11-07 09:15:39,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 09:15:39,696 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 09:15:39,696 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-07 09:15:39,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-07 09:15:39,696 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-07 09:15:39,699 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-07 09:15:39,699 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 09:15:39,701 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 09:15:39,702 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-07 09:15:39,724 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 09:15:39,737 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:15:39 BoogieIcfgContainer
[2024-11-07 09:15:39,737 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 09:15:39,738 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 09:15:39,738 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 09:15:39,738 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 09:15:39,739 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:38" (3/4) ...
[2024-11-07 09:15:39,744 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 09:15:39,747 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-07 09:15:39,750 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-07 09:15:39,750 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 09:15:39,750 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-07 09:15:39,751 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 09:15:39,817 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 09:15:39,817 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 09:15:39,817 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 09:15:39,818 INFO  L158              Benchmark]: Toolchain (without parser) took 1272.31ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 45.5MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,818 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 09:15:39,818 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 157.98ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 79.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,819 INFO  L158              Benchmark]: Boogie Procedure Inliner took 20.16ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,819 INFO  L158              Benchmark]: Boogie Preprocessor took 21.18ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 09:15:39,819 INFO  L158              Benchmark]: RCFGBuilder took 200.48ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 65.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,819 INFO  L158              Benchmark]: TraceAbstraction took 788.15ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.5MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,819 INFO  L158              Benchmark]: Witness Printer took 79.55ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 45.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 09:15:39,823 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 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 157.98ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 79.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 20.16ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.18ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 200.48ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 65.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 788.15ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.5MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Witness Printer took 79.55ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 45.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. 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
  - PositiveResult [Line: 19]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 127 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 74]: Loop Invariant
    Derived loop invariant: 1
  - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not
    Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9)))
RESULT: Ultimate proved your program to be correct!
[2024-11-07 09:15:39,851 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:
TRUE