./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 6a47aea7
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-6a47aea
[2021-11-23 15:38:28,026 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-23 15:38:28,030 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-23 15:38:28,088 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-23 15:38:28,089 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-23 15:38:28,094 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-23 15:38:28,096 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-23 15:38:28,099 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-23 15:38:28,102 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-23 15:38:28,108 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-23 15:38:28,109 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-23 15:38:28,111 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-23 15:38:28,111 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-23 15:38:28,114 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-23 15:38:28,116 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-23 15:38:28,121 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-23 15:38:28,123 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-23 15:38:28,124 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-23 15:38:28,126 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-23 15:38:28,134 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-23 15:38:28,136 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-23 15:38:28,138 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-23 15:38:28,141 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-23 15:38:28,142 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-23 15:38:28,151 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-23 15:38:28,151 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-23 15:38:28,152 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-23 15:38:28,154 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-23 15:38:28,154 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-23 15:38:28,156 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-23 15:38:28,156 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-23 15:38:28,157 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-23 15:38:28,160 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-23 15:38:28,161 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-23 15:38:28,162 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-23 15:38:28,163 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-23 15:38:28,163 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-23 15:38:28,164 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-23 15:38:28,164 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-23 15:38:28,165 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-23 15:38:28,165 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-23 15:38:28,166 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf
[2021-11-23 15:38:28,210 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-23 15:38:28,211 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-23 15:38:28,212 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-23 15:38:28,212 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2021-11-23 15:38:28,213 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-23 15:38:28,213 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-23 15:38:28,213 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-23 15:38:28,214 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-23 15:38:28,220 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-23 15:38:28,220 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-23 15:38:28,221 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-23 15:38:28,222 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-23 15:38:28,222 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-23 15:38:28,222 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-23 15:38:28,222 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-23 15:38:28,223 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-23 15:38:28,223 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-23 15:38:28,223 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-23 15:38:28,223 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-11-23 15:38:28,224 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-11-23 15:38:28,224 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-23 15:38:28,224 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-23 15:38:28,224 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-23 15:38:28,225 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-23 15:38:28,225 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-23 15:38:28,225 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2021-11-23 15:38:28,225 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-23 15:38:28,225 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-23 15:38:28,226 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_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/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_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu
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 -> Kojak
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 -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
[2021-11-23 15:38:28,552 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-23 15:38:28,574 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-23 15:38:28,576 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-23 15:38:28,578 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-23 15:38:28,579 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-23 15:38:28,580 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2021-11-23 15:38:28,639 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/ebdc37992/0d657e47c5074726984ee716720fafa6/FLAGa4484e199
[2021-11-23 15:38:29,072 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-23 15:38:29,073 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2021-11-23 15:38:29,081 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/ebdc37992/0d657e47c5074726984ee716720fafa6/FLAGa4484e199
[2021-11-23 15:38:29,451 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/ebdc37992/0d657e47c5074726984ee716720fafa6
[2021-11-23 15:38:29,454 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-23 15:38:29,455 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-23 15:38:29,457 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-23 15:38:29,457 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-23 15:38:29,462 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-23 15:38:29,463 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,467 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792a74c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29, skipping insertion in model container
[2021-11-23 15:38:29,467 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,475 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-23 15:38:29,500 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-23 15:38:29,734 WARN  L230   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_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2021-11-23 15:38:29,742 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 15:38:29,751 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-23 15:38:29,773 WARN  L230   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_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2021-11-23 15:38:29,777 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 15:38:29,793 INFO  L208         MainTranslator]: Completed translation
[2021-11-23 15:38:29,794 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29 WrapperNode
[2021-11-23 15:38:29,794 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-23 15:38:29,795 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-23 15:38:29,796 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-23 15:38:29,796 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-23 15:38:29,804 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,813 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,836 INFO  L137                Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94
[2021-11-23 15:38:29,837 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-23 15:38:29,837 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-23 15:38:29,838 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-23 15:38:29,838 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-23 15:38:29,847 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,847 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,851 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,851 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,859 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,864 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,866 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,870 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-23 15:38:29,871 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-23 15:38:29,871 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-23 15:38:29,871 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-23 15:38:29,872 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ...
[2021-11-23 15:38:29,895 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-23 15:38:29,908 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3
[2021-11-23 15:38:29,926 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-11-23 15:38:29,954 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-11-23 15:38:29,974 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-23 15:38:29,974 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-11-23 15:38:29,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-23 15:38:29,976 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-11-23 15:38:29,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-23 15:38:29,977 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-11-23 15:38:29,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-11-23 15:38:29,978 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-23 15:38:29,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-23 15:38:29,978 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-23 15:38:29,978 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-23 15:38:29,979 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-23 15:38:29,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-11-23 15:38:29,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-11-23 15:38:29,979 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-23 15:38:29,979 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-23 15:38:29,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-23 15:38:29,980 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-23 15:38:29,980 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-23 15:38:29,982 WARN  L209             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-23 15:38:30,103 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-23 15:38:30,105 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-23 15:38:30,393 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-23 15:38:30,433 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception:
java.lang.UnsupportedOperationException: Set is immutable
	at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.<init>(ParallelComposition.java:108)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.<init>(CfgBuilder.java:1653)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-11-23 15:38:30,438 INFO  L158              Benchmark]: Toolchain (without parser) took 981.93ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 59.1MB in the end (delta: 6.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-23 15:38:30,439 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-23 15:38:30,440 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 337.55ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 78.4MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-23 15:38:30,441 INFO  L158              Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-23 15:38:30,442 INFO  L158              Benchmark]: Boogie Preprocessor took 32.45ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-23 15:38:30,442 INFO  L158              Benchmark]: RCFGBuilder took 565.80ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 59.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-23 15:38:30,445 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 337.55ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 78.4MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 32.45ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 565.80ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 59.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder:
  - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable
    de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-23 15:38:30,494 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-6a47aea
[2021-11-23 15:38:33,020 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-23 15:38:33,023 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-23 15:38:33,087 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-23 15:38:33,088 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-23 15:38:33,093 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-23 15:38:33,095 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-23 15:38:33,100 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-23 15:38:33,103 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-23 15:38:33,109 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-23 15:38:33,113 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-23 15:38:33,115 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-23 15:38:33,116 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-23 15:38:33,118 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-23 15:38:33,121 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-23 15:38:33,125 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-23 15:38:33,127 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-23 15:38:33,128 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-23 15:38:33,131 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-23 15:38:33,141 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-23 15:38:33,143 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-23 15:38:33,145 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-23 15:38:33,148 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-23 15:38:33,150 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-23 15:38:33,159 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-23 15:38:33,160 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-23 15:38:33,160 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-23 15:38:33,162 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-23 15:38:33,163 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-23 15:38:33,164 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-23 15:38:33,164 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-23 15:38:33,166 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-23 15:38:33,168 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-23 15:38:33,169 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-23 15:38:33,171 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-23 15:38:33,171 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-23 15:38:33,172 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-23 15:38:33,172 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-23 15:38:33,173 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-23 15:38:33,175 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-23 15:38:33,176 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-23 15:38:33,181 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf
[2021-11-23 15:38:33,225 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-23 15:38:33,225 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-23 15:38:33,227 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-23 15:38:33,227 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2021-11-23 15:38:33,228 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-23 15:38:33,229 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-23 15:38:33,229 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-23 15:38:33,229 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-23 15:38:33,229 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-23 15:38:33,230 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-23 15:38:33,231 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-23 15:38:33,231 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-23 15:38:33,231 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-23 15:38:33,232 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-11-23 15:38:33,232 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-11-23 15:38:33,232 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-23 15:38:33,232 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-23 15:38:33,232 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-23 15:38:33,233 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-23 15:38:33,233 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-23 15:38:33,233 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-11-23 15:38:33,233 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-11-23 15:38:33,234 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-23 15:38:33,234 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-23 15:38:33,234 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-23 15:38:33,234 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-23 15:38:33,235 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-23 15:38:33,235 INFO  L138        SettingsManager]:  * Trace refinement strategy=WALRUS
[2021-11-23 15:38:33,235 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-23 15:38:33,235 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-23 15:38:33,235 INFO  L138        SettingsManager]:  * Use separate solver for trace checks=false
[2021-11-23 15:38:33,236 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-23 15:38:33,236 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/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_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu
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 -> Kojak
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 -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
[2021-11-23 15:38:33,613 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-23 15:38:33,637 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-23 15:38:33,641 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-23 15:38:33,642 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-23 15:38:33,643 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-23 15:38:33,644 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2021-11-23 15:38:33,737 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/a5a6b7b7c/47f5bbc8c73c40cca249497a6f627c8a/FLAGe2358c478
[2021-11-23 15:38:34,263 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-23 15:38:34,264 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2021-11-23 15:38:34,273 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/a5a6b7b7c/47f5bbc8c73c40cca249497a6f627c8a/FLAGe2358c478
[2021-11-23 15:38:34,605 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/data/a5a6b7b7c/47f5bbc8c73c40cca249497a6f627c8a
[2021-11-23 15:38:34,607 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-23 15:38:34,608 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-23 15:38:34,621 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-23 15:38:34,622 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-23 15:38:34,625 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-23 15:38:34,626 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:34,627 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40da2b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34, skipping insertion in model container
[2021-11-23 15:38:34,628 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:34,647 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-23 15:38:34,666 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-23 15:38:34,833 WARN  L230   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_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2021-11-23 15:38:34,844 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 15:38:34,873 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-11-23 15:38:34,878 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-23 15:38:34,927 WARN  L230   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_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2021-11-23 15:38:34,931 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 15:38:34,936 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-23 15:38:34,961 WARN  L230   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_f136b0a1-486a-43a0-84d2-71d7f340ff03/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2021-11-23 15:38:34,965 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 15:38:34,981 INFO  L208         MainTranslator]: Completed translation
[2021-11-23 15:38:34,982 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34 WrapperNode
[2021-11-23 15:38:34,982 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-23 15:38:34,983 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-23 15:38:34,984 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-23 15:38:34,984 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-23 15:38:34,991 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,002 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,024 INFO  L137                Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91
[2021-11-23 15:38:35,025 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-23 15:38:35,026 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-23 15:38:35,026 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-23 15:38:35,026 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-23 15:38:35,035 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,035 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,040 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,040 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,052 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,057 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,059 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,063 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-23 15:38:35,064 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-23 15:38:35,065 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-23 15:38:35,065 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-23 15:38:35,066 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ...
[2021-11-23 15:38:35,074 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-23 15:38:35,091 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3
[2021-11-23 15:38:35,111 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-11-23 15:38:35,136 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-11-23 15:38:35,165 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-23 15:38:35,166 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-23 15:38:35,166 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-23 15:38:35,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-23 15:38:35,166 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-11-23 15:38:35,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-23 15:38:35,168 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-11-23 15:38:35,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-23 15:38:35,169 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-11-23 15:38:35,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-11-23 15:38:35,169 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-23 15:38:35,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-23 15:38:35,169 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-11-23 15:38:35,169 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-11-23 15:38:35,170 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-23 15:38:35,170 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-23 15:38:35,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-23 15:38:35,171 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-23 15:38:35,171 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-23 15:38:35,172 WARN  L209             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-23 15:38:35,304 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-23 15:38:35,306 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-23 15:38:35,747 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-23 15:38:35,856 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception:
java.lang.UnsupportedOperationException: Set is immutable
	at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.<init>(ParallelComposition.java:108)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.<init>(CfgBuilder.java:1653)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-11-23 15:38:35,863 INFO  L158              Benchmark]: Toolchain (without parser) took 1253.07ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 46.8MB in the end (delta: -10.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2021-11-23 15:38:35,865 INFO  L158              Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-23 15:38:35,867 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 361.12ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 38.7MB in the end (delta: -2.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-23 15:38:35,867 INFO  L158              Benchmark]: Boogie Procedure Inliner took 41.89ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 36.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-23 15:38:35,869 INFO  L158              Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-23 15:38:35,870 INFO  L158              Benchmark]: RCFGBuilder took 796.10ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 46.8MB in the end (delta: -11.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
[2021-11-23 15:38:35,878 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 361.12ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 38.7MB in the end (delta: -2.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 41.89ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 36.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 37.67ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 796.10ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 46.8MB in the end (delta: -11.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder:
  - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable
    de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-23 15:38:35,935 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f136b0a1-486a-43a0-84d2-71d7f340ff03/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:
ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable