./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_7-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu --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 ec757148a991f4b3d1dfc96ef4137399e4a0f35295201340aed6c25a7180c165
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:57:48,490 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:57:48,571 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:57:48,577 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:57:48,577 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:57:48,604 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:57:48,605 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:57:48,606 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:57:48,606 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:57:48,607 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:57:48,608 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:57:48,609 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:57:48,609 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:57:48,610 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:57:48,611 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:57:48,611 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:57:48,612 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:57:48,613 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:57:48,613 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:57:48,614 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:57:48,615 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:57:48,616 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:57:48,616 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:57:48,617 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:57:48,618 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:57:48,618 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:57:48,619 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:57:48,619 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:57:48,620 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:48,621 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:57:48,621 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:57:48,622 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:57:48,622 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:57:48,623 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:57:48,623 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:57:48,624 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:57:48,624 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:57:48,625 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:57:48,625 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:57:48,626 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu
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 -> ec757148a991f4b3d1dfc96ef4137399e4a0f35295201340aed6c25a7180c165
[2023-11-19 07:57:48,936 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:57:48,969 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:57:48,972 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:57:48,974 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:57:48,975 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:57:48,976 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/bitvector/jain_7-2.c
[2023-11-19 07:57:52,211 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:57:52,499 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:57:52,500 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/sv-benchmarks/c/bitvector/jain_7-2.c
[2023-11-19 07:57:52,508 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/data/5856a7495/436d8071e10c4c4f818b50e403159c47/FLAG5618b401d
[2023-11-19 07:57:52,521 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/data/5856a7495/436d8071e10c4c4f818b50e403159c47
[2023-11-19 07:57:52,523 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:57:52,525 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:57:52,527 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:52,527 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:57:52,539 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:57:52,540 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,544 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7d191b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52, skipping insertion in model container
[2023-11-19 07:57:52,544 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,568 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:57:52,711 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/sv-benchmarks/c/bitvector/jain_7-2.c[675,688]
[2023-11-19 07:57:52,724 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:52,736 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:57:52,747 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/sv-benchmarks/c/bitvector/jain_7-2.c[675,688]
[2023-11-19 07:57:52,751 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:52,765 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:57:52,765 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52 WrapperNode
[2023-11-19 07:57:52,765 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:52,766 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:52,767 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:57:52,767 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:57:52,774 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,781 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,800 INFO  L138                Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37
[2023-11-19 07:57:52,800 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:52,801 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:57:52,802 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:57:52,802 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:57:52,811 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,812 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,813 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,813 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,816 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,819 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,820 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,821 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,823 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:57:52,824 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:57:52,824 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:57:52,824 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:57:52,825 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (1/1) ...
[2023-11-19 07:57:52,835 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:52,849 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:52,868 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:57:52,872 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:57:52,901 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:57:52,901 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:57:52,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:57:52,902 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:57:52,962 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:57:52,964 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:57:53,079 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:57:53,085 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:57:53,085 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:57:53,088 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:53 BoogieIcfgContainer
[2023-11-19 07:57:53,088 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:57:53,091 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:57:53,091 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:57:53,094 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:57:53,094 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:52" (1/3) ...
[2023-11-19 07:57:53,095 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4395b307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:53, skipping insertion in model container
[2023-11-19 07:57:53,095 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:52" (2/3) ...
[2023-11-19 07:57:53,096 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4395b307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:53, skipping insertion in model container
[2023-11-19 07:57:53,096 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:53" (3/3) ...
[2023-11-19 07:57:53,097 INFO  L112   eAbstractionObserver]: Analyzing ICFG jain_7-2.c
[2023-11-19 07:57:53,118 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:57:53,118 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:57:53,170 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:57:53,178 INFO  L357      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, mHoare=true, 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;@cb7baa0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:57:53,178 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:57:53,182 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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)
[2023-11-19 07:57:53,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:57:53,189 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:57:53,190 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:57:53,191 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:53,197 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:53,197 INFO  L85        PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times
[2023-11-19 07:57:53,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:53,208 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760965628]
[2023-11-19 07:57:53,208 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:53,209 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:53,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:53,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:53,687 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:53,688 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760965628]
[2023-11-19 07:57:53,688 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760965628] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:53,689 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:53,689 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:57:53,691 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841999979]
[2023-11-19 07:57:53,692 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:53,697 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:57:53,697 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:53,738 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:57:53,739 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:57:53,741 INFO  L87              Difference]: Start difference. First operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:57:53,801 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:53,801 INFO  L93              Difference]: Finished difference Result 18 states and 26 transitions.
[2023-11-19 07:57:53,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:57:53,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2023-11-19 07:57:53,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:53,821 INFO  L225             Difference]: With dead ends: 18
[2023-11-19 07:57:53,822 INFO  L226             Difference]: Without dead ends: 9
[2023-11-19 07:57:53,825 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:57:53,829 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:53,830 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:53,847 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-19 07:57:53,859 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-19 07:57:53,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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)
[2023-11-19 07:57:53,862 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2023-11-19 07:57:53,863 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2023-11-19 07:57:53,863 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:53,864 INFO  L495      AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2023-11-19 07:57:53,864 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:57:53,864 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2023-11-19 07:57:53,865 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:57:53,865 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:57:53,865 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:53,866 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:57:53,866 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:53,867 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:53,867 INFO  L85        PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times
[2023-11-19 07:57:53,867 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:53,868 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219193892]
[2023-11-19 07:57:53,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:53,868 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:53,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:54,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:54,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219193892]
[2023-11-19 07:57:54,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219193892] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:57:54,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220576654]
[2023-11-19 07:57:54,259 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:54,259 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:54,260 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:54,262 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:57:54,302 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:57:54,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,367 INFO  L262         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core
[2023-11-19 07:57:54,375 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:57:54,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:54,651 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:57:59,341 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:59,343 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220576654] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:57:59,344 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:57:59,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9
[2023-11-19 07:57:59,346 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403339489]
[2023-11-19 07:57:59,347 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:57:59,349 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 07:57:59,350 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:59,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 07:57:59,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=45, Unknown=2, NotChecked=0, Total=72
[2023-11-19 07:57:59,353 INFO  L87              Difference]: Start difference. First operand 9 states and 9 transitions. Second operand  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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)
[2023-11-19 07:57:59,412 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:59,412 INFO  L93              Difference]: Finished difference Result 9 states and 9 transitions.
[2023-11-19 07:57:59,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:57:59,414 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 8
[2023-11-19 07:57:59,414 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:59,414 INFO  L225             Difference]: With dead ends: 9
[2023-11-19 07:57:59,414 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:57:59,415 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=33, Invalid=55, Unknown=2, NotChecked=0, Total=90
[2023-11-19 07:57:59,417 INFO  L413           NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:59,417 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:59,418 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:57:59,419 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:57:59,419 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)
[2023-11-19 07:57:59,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:57:59,420 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2023-11-19 07:57:59,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:59,420 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:57:59,421 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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)
[2023-11-19 07:57:59,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:57:59,421 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:57:59,424 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:57:59,450 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:57:59,639 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:59,641 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:57:59,680 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:57:59,681 INFO  L899   garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed.
[2023-11-19 07:57:59,682 INFO  L899   garLoopResultBuilder]: For program point L15-2(lines 14 19) no Hoare annotation was computed.
[2023-11-19 07:57:59,682 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:57:59,683 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 20 37) no Hoare annotation was computed.
[2023-11-19 07:57:59,683 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:57:59,683 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:57:59,684 INFO  L895   garLoopResultBuilder]: At program point L28-2(lines 28 35) the Hoare annotation is: (and (= (mod (* 2097151 |ULTIMATE.start_main_~y~0#1|) 2097152) 0) (= (mod |ULTIMATE.start_main_~x~0#1| 1048576) 0) (= (mod (* |ULTIMATE.start_main_~z~0#1| 4194303) 4194304) 0))
[2023-11-19 07:57:59,684 INFO  L899   garLoopResultBuilder]: For program point L28-3(lines 28 35) no Hoare annotation was computed.
[2023-11-19 07:57:59,684 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed.
[2023-11-19 07:57:59,685 INFO  L899   garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed.
[2023-11-19 07:57:59,689 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 07:57:59,692 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:57:59,710 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:59 BoogieIcfgContainer
[2023-11-19 07:57:59,711 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:57:59,712 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:57:59,712 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:57:59,712 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:57:59,713 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:53" (3/4) ...
[2023-11-19 07:57:59,715 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:57:59,726 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:57:59,727 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:57:59,731 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:57:59,732 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:57:59,838 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:57:59,838 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:57:59,838 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:57:59,839 INFO  L158              Benchmark]: Toolchain (without parser) took 7313.64ms. Allocated memory is still 159.4MB. Free memory was 126.9MB in the beginning and 80.3MB in the end (delta: 46.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,839 INFO  L158              Benchmark]: CDTParser took 0.53ms. Allocated memory is still 159.4MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:57:59,839 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 238.91ms. Allocated memory is still 159.4MB. Free memory was 126.9MB in the beginning and 116.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,840 INFO  L158              Benchmark]: Boogie Procedure Inliner took 33.89ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,840 INFO  L158              Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 113.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:57:59,841 INFO  L158              Benchmark]: RCFGBuilder took 264.47ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 104.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,841 INFO  L158              Benchmark]: TraceAbstraction took 6620.40ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 84.5MB in the end (delta: 19.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,841 INFO  L158              Benchmark]: Witness Printer took 126.42ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 80.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:57:59,843 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.53ms. Allocated memory is still 159.4MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 238.91ms. Allocated memory is still 159.4MB. Free memory was 126.9MB in the beginning and 116.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 33.89ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.87ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 113.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 264.47ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 104.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 6620.40ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 84.5MB in the end (delta: 19.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
 * Witness Printer took 126.42ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 80.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 16]: 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 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 20 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 4 QuantifiedInterpolants, 279 SizeOfPredicates, 4 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 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: 28]: Loop Invariant
    Derived loop invariant: (((((2097151 * y) % 2097152) == 0) && ((x % 1048576) == 0)) && (((z * 4194303) % 4194304) == 0))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:57:59,880 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223e34d2-39b8-47e3-b457-22c8e296aad1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE