./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --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 6774d8276995139fa82226959a0a91ee830b52b2
.....................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 00:44:24,718 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:44:24,720 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:44:24,761 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:44:24,762 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:44:24,764 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:44:24,766 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:44:24,768 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:44:24,771 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:44:24,773 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:44:24,774 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:44:24,776 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:44:24,777 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:44:24,778 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:44:24,780 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:44:24,782 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:44:24,784 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:44:24,785 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:44:24,788 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:44:24,791 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:44:24,794 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:44:24,796 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:44:24,798 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:44:24,799 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:44:24,804 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:44:24,805 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:44:24,805 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:44:24,807 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:44:24,808 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:44:24,809 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:44:24,810 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:44:24,811 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:44:24,812 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:44:24,813 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:44:24,815 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:44:24,815 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:44:24,816 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:44:24,817 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:44:24,817 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:44:24,818 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:44:24,819 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:44:24,820 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-13 00:44:24,853 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:44:24,863 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:44:24,864 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:44:24,865 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:44:24,867 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:44:24,867 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:44:24,868 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:44:24,868 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:44:24,868 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:44:24,869 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 00:44:24,870 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:44:24,870 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:44:24,870 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:44:24,871 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:44:24,871 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:44:24,871 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:44:24,872 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:44:24,872 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:44:24,872 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:44:24,872 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:44:24,873 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:44:24,873 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:44:24,873 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:44:24,874 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:44:24,874 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:44:24,874 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:44:24,874 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 00:44:24,875 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 00:44:24,875 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:44:24,877 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:44:24,877 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/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_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 6774d8276995139fa82226959a0a91ee830b52b2
[2021-10-13 00:44:25,143 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:44:25,172 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:44:25,176 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:44:25,178 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:44:25,179 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:44:25,180 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c
[2021-10-13 00:44:25,258 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/data/c5ff243e4/6964009602ea49449791c4ed42c7d0ca/FLAGc754a6f41
[2021-10-13 00:44:25,712 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:44:25,712 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c
[2021-10-13 00:44:25,719 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/data/c5ff243e4/6964009602ea49449791c4ed42c7d0ca/FLAGc754a6f41
[2021-10-13 00:44:26,093 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/data/c5ff243e4/6964009602ea49449791c4ed42c7d0ca
[2021-10-13 00:44:26,095 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:44:26,097 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:44:26,103 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:44:26,104 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:44:26,121 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:44:26,122 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,123 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bffd8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26, skipping insertion in model container
[2021-10-13 00:44:26,123 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,132 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:44:26,165 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:44:26,369 WARN  L228   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_069dbc65-9f00-4311-8109-abef5a26614b/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2239,2252]
[2021-10-13 00:44:26,380 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:44:26,391 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:44:26,416 WARN  L228   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_069dbc65-9f00-4311-8109-abef5a26614b/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2239,2252]
[2021-10-13 00:44:26,421 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:44:26,438 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:44:26,439 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26 WrapperNode
[2021-10-13 00:44:26,439 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:44:26,440 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:44:26,441 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:44:26,441 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:44:26,449 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,456 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,484 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:44:26,485 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:44:26,485 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:44:26,485 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:44:26,499 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,499 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,502 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,502 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,509 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,519 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,529 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,542 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:44:26,543 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:44:26,543 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:44:26,543 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:44:26,547 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (1/1) ...
[2021-10-13 00:44:26,555 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:44:26,573 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:44:26,593 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:44:26,619 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:44:26,654 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:44:26,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:44:26,658 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 00:44:26,658 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:44:35,852 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:44:35,853 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-13 00:44:35,854 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:35 BoogieIcfgContainer
[2021-10-13 00:44:35,854 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:44:35,856 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:44:35,856 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:44:35,869 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:44:35,870 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:44:26" (1/3) ...
[2021-10-13 00:44:35,871 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543c9356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:35, skipping insertion in model container
[2021-10-13 00:44:35,872 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:26" (2/3) ...
[2021-10-13 00:44:35,872 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543c9356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:35, skipping insertion in model container
[2021-10-13 00:44:35,873 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:35" (3/3) ...
[2021-10-13 00:44:35,874 INFO  L111   eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c
[2021-10-13 00:44:35,882 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:44:35,882 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 00:44:35,927 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:44:35,940 INFO  L339      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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-13 00:44:35,941 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 00:44:35,952 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 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)
[2021-10-13 00:44:35,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-13 00:44:35,960 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:44:35,961 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:44:35,961 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:44:35,965 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:44:35,966 INFO  L82        PathProgramCache]: Analyzing trace with hash 1053789450, now seen corresponding path program 1 times
[2021-10-13 00:44:35,973 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:44:35,973 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399028929]
[2021-10-13 00:44:35,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:44:35,975 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:44:36,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:44:36,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:44:36,350 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:44:36,350 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399028929]
[2021-10-13 00:44:36,352 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399028929] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:44:36,352 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:44:36,353 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 00:44:36,358 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230979859]
[2021-10-13 00:44:36,363 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-13 00:44:36,364 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:44:36,375 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-13 00:44:36,375 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-13 00:44:36,378 INFO  L87              Difference]: Start difference. First operand  has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 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 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2021-10-13 00:44:56,437 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:44:56,437 INFO  L93              Difference]: Finished difference Result 61 states and 82 transitions.
[2021-10-13 00:44:56,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-13 00:44:56,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11
[2021-10-13 00:44:56,439 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:44:56,447 INFO  L225             Difference]: With dead ends: 61
[2021-10-13 00:44:56,447 INFO  L226             Difference]: Without dead ends: 26
[2021-10-13 00:44:56,453 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-13 00:44:56,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2021-10-13 00:44:56,491 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25.
[2021-10-13 00:44:56,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 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)
[2021-10-13 00:44:56,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions.
[2021-10-13 00:44:56,526 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 11
[2021-10-13 00:44:56,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:44:56,527 INFO  L470      AbstractCegarLoop]: Abstraction has 25 states and 31 transitions.
[2021-10-13 00:44:56,527 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2021-10-13 00:44:56,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions.
[2021-10-13 00:44:56,528 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-13 00:44:56,529 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:44:56,529 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:44:56,529 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 00:44:56,530 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:44:56,534 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:44:56,535 INFO  L82        PathProgramCache]: Analyzing trace with hash 1942403648, now seen corresponding path program 1 times
[2021-10-13 00:44:56,535 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:44:56,535 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369817977]
[2021-10-13 00:44:56,536 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:44:56,536 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:44:56,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:44:56,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:44:56,862 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:44:56,862 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369817977]
[2021-10-13 00:44:56,862 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369817977] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:44:56,862 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:44:56,862 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 00:44:56,863 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393848613]
[2021-10-13 00:44:56,864 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-13 00:44:56,864 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:44:56,865 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-13 00:44:56,865 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-13 00:44:56,866 INFO  L87              Difference]: Start difference. First operand 25 states and 31 transitions. Second operand  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:45:01,402 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:45:01,402 INFO  L93              Difference]: Finished difference Result 45 states and 58 transitions.
[2021-10-13 00:45:01,403 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 00:45:01,403 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2021-10-13 00:45:01,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:45:01,403 INFO  L225             Difference]: With dead ends: 45
[2021-10-13 00:45:01,403 INFO  L226             Difference]: Without dead ends: 0
[2021-10-13 00:45:01,405 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-13 00:45:01,405 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-13 00:45:01,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-13 00:45:01,405 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)
[2021-10-13 00:45:01,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-13 00:45:01,406 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2021-10-13 00:45:01,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:45:01,406 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-13 00:45:01,406 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:45:01,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-13 00:45:01,406 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-13 00:45:01,409 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:45:01,409 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 00:45:01,412 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-13 00:45:01,415 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,417 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,418 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,427 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,428 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,429 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,430 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-13 00:45:01,450 INFO  L857   garLoopResultBuilder]: For program point L97(lines 97 106) no Hoare annotation was computed.
[2021-10-13 00:45:01,450 INFO  L853   garLoopResultBuilder]: At program point L122(lines 25 145) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296)))))))
[2021-10-13 00:45:01,451 INFO  L853   garLoopResultBuilder]: At program point L56(lines 26 114) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296)))))))
[2021-10-13 00:45:01,451 INFO  L857   garLoopResultBuilder]: For program point L23(lines 23 150) no Hoare annotation was computed.
[2021-10-13 00:45:01,451 INFO  L857   garLoopResultBuilder]: For program point L48(lines 48 85) no Hoare annotation was computed.
[2021-10-13 00:45:01,451 INFO  L853   garLoopResultBuilder]: At program point L44(lines 26 114) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296)))))))
[2021-10-13 00:45:01,452 INFO  L857   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-13 00:45:01,452 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-13 00:45:01,452 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-13 00:45:01,452 INFO  L857   garLoopResultBuilder]: For program point L90(lines 90 112) no Hoare annotation was computed.
[2021-10-13 00:45:01,453 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 99) no Hoare annotation was computed.
[2021-10-13 00:45:01,453 INFO  L857   garLoopResultBuilder]: For program point L37(lines 37 113) no Hoare annotation was computed.
[2021-10-13 00:45:01,453 INFO  L857   garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed.
[2021-10-13 00:45:01,453 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-13 00:45:01,453 INFO  L857   garLoopResultBuilder]: For program point L128(lines 128 143) no Hoare annotation was computed.
[2021-10-13 00:45:01,454 INFO  L857   garLoopResultBuilder]: For program point L62(lines 62 84) no Hoare annotation was computed.
[2021-10-13 00:45:01,454 INFO  L857   garLoopResultBuilder]: For program point L25(lines 25 145) no Hoare annotation was computed.
[2021-10-13 00:45:01,454 INFO  L860   garLoopResultBuilder]: At program point L149(lines 16 151) the Hoare annotation is: true
[2021-10-13 00:45:01,454 INFO  L860   garLoopResultBuilder]: At program point L83(lines 17 151) the Hoare annotation is: true
[2021-10-13 00:45:01,455 INFO  L857   garLoopResultBuilder]: For program point L117(lines 117 144) no Hoare annotation was computed.
[2021-10-13 00:45:01,455 INFO  L860   garLoopResultBuilder]: At program point L142(lines 25 145) the Hoare annotation is: true
[2021-10-13 00:45:01,455 INFO  L857   garLoopResultBuilder]: For program point L39(lines 39 86) no Hoare annotation was computed.
[2021-10-13 00:45:01,455 INFO  L860   garLoopResultBuilder]: At program point L134(lines 25 145) the Hoare annotation is: true
[2021-10-13 00:45:01,460 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 00:45:01,488 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:45:01 BoogieIcfgContainer
[2021-10-13 00:45:01,488 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 00:45:01,489 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 00:45:01,489 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 00:45:01,489 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 00:45:01,490 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:35" (3/4) ...
[2021-10-13 00:45:01,493 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-13 00:45:01,504 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-10-13 00:45:01,504 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-13 00:45:01,504 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-13 00:45:01,505 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-13 00:45:01,569 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/witness.graphml
[2021-10-13 00:45:01,574 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 00:45:01,575 INFO  L168              Benchmark]: Toolchain (without parser) took 35477.42 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 76.2 MB in the beginning and 86.6 MB in the end (delta: -10.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,576 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,579 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 336.05 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.9 MB in the beginning and 104.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,579 INFO  L168              Benchmark]: Boogie Procedure Inliner took 43.76 ms. Allocated memory is still 132.1 MB. Free memory was 104.7 MB in the beginning and 103.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,580 INFO  L168              Benchmark]: Boogie Preprocessor took 57.30 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 102.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,580 INFO  L168              Benchmark]: RCFGBuilder took 9311.74 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 90.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,583 INFO  L168              Benchmark]: TraceAbstraction took 25631.84 ms. Allocated memory is still 132.1 MB. Free memory was 90.0 MB in the beginning and 90.8 MB in the end (delta: -840.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,584 INFO  L168              Benchmark]: Witness Printer took 85.24 ms. Allocated memory is still 132.1 MB. Free memory was 90.8 MB in the beginning and 86.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:45:01,586 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 336.05 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.9 MB in the beginning and 104.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 43.76 ms. Allocated memory is still 132.1 MB. Free memory was 104.7 MB in the beginning and 103.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 57.30 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 102.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 9311.74 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 90.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 25631.84 ms. Allocated memory is still 132.1 MB. Free memory was 90.0 MB in the beginning and 90.8 MB in the end (delta: -840.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB.
 * Witness Printer took 85.24 ms. Allocated memory is still 132.1 MB. Free memory was 90.8 MB in the beginning and 86.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 99]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25534.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.9ms, AutomataDifference: 24626.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 39.0ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 16 SDslu, 74 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 22255.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 104.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 59.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 17 NumberOfFragments, 127 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 17.2ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 15.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 12.1ms SsaConstructionTime, 172.8ms SatisfiabilityAnalysisTime, 461.0ms InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 26]: Loop Invariant
    Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296)
  - InvariantResult [Line: 25]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 26]: Loop Invariant
    Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296)
  - InvariantResult [Line: 17]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 25]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 25]: Loop Invariant
    Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296)
  - InvariantResult [Line: 16]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2021-10-13 00:45:01,611 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069dbc65-9f00-4311-8109-abef5a26614b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...