./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.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_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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_38620d55-4004-440a-a475-0d6f4908c29c/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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:14,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:14,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:14,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:14,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:14,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:14,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:14,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:14,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:14,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:14,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:14,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:14,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:14,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:14,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:14,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:15,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:15,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:15,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:15,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:15,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:15,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:15,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:15,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:15,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:15,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:15,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:15,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:15,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:15,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:15,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:15,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:15,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:15,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:15,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:15,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:15,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:15,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:15,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:15,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:15,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:15,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:15,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:15,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:15,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:15,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:15,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:15,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:15,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:15,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:15,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:15,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:15,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:15,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:15,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:15,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:15,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:15,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:15,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:15,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:15,100 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:15,102 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:15,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:15,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:15,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:15,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:15,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:15,108 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:15,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:15,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:15,109 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_38620d55-4004-440a-a475-0d6f4908c29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2021-11-23 15:04:15,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:15,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:15,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:15,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:15,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:15,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2021-11-23 15:04:15,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/b13e862a9/e0a4c96d93294af585db29ce6aeb219d/FLAG17f6e75e2 [2021-11-23 15:04:15,933 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:15,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2021-11-23 15:04:15,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/b13e862a9/e0a4c96d93294af585db29ce6aeb219d/FLAG17f6e75e2 [2021-11-23 15:04:16,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/b13e862a9/e0a4c96d93294af585db29ce6aeb219d [2021-11-23 15:04:16,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:16,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:16,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:16,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:16,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:16,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70adf299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16, skipping insertion in model container [2021-11-23 15:04:16,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:16,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:16,534 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_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2021-11-23 15:04:16,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:16,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:16,572 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_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2021-11-23 15:04:16,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:16,591 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:16,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16 WrapperNode [2021-11-23 15:04:16,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:16,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:16,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:16,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:16,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,629 INFO L137 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 15:04:16,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:16,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:16,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:16,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:16,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:16,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:16,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:16,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:16,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:16" (1/1) ... [2021-11-23 15:04:16,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:16,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:16,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:16,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:04:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:04:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:04:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:04:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:04:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:04:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:04:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:04:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:04:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:04:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:16,788 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 15:04:16,904 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:16,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:17,142 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:17,256 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.(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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:04:17,269 INFO L158 Benchmark]: Toolchain (without parser) took 949.45ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 58.8MB in the end (delta: 15.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:17,270 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:17,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.65ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 79.8MB in the end (delta: -6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:17,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:17,273 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 107.0MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:17,274 INFO L158 Benchmark]: RCFGBuilder took 597.47ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 58.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:17,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.65ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 79.8MB in the end (delta: -6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.47ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 107.0MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.47ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 58.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. 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 15:04:17,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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_38620d55-4004-440a-a475-0d6f4908c29c/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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:19,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:19,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:19,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:19,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:19,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:19,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:19,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:19,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:19,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:19,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:19,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:19,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:19,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:19,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:19,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:19,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:19,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:19,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:19,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:19,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:19,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:19,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:19,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:19,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:19,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:19,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:19,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:19,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:19,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:19,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:19,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:19,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:19,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:19,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:19,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:19,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:19,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:19,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:19,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:19,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:19,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:19,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:19,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:19,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:19,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:19,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:19,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:19,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:19,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:19,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:19,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:19,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:19,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:19,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:19,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:19,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:19,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:19,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:19,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:19,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:19,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:19,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:19,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:19,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:19,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:19,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:19,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:19,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:19,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:19,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:19,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:19,659 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:19,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:19,660 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_38620d55-4004-440a-a475-0d6f4908c29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2021-11-23 15:04:20,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:20,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:20,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:20,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:20,045 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:20,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2021-11-23 15:04:20,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/4d6703e96/0a02c10790dd462cb776999e76dde26f/FLAGf0404fcc8 [2021-11-23 15:04:20,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:20,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2021-11-23 15:04:20,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/4d6703e96/0a02c10790dd462cb776999e76dde26f/FLAGf0404fcc8 [2021-11-23 15:04:20,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/data/4d6703e96/0a02c10790dd462cb776999e76dde26f [2021-11-23 15:04:20,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:20,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:20,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:20,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:20,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:20,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:20" (1/1) ... [2021-11-23 15:04:20,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da5a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:20, skipping insertion in model container [2021-11-23 15:04:20,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:20" (1/1) ... [2021-11-23 15:04:20,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:21,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:21,178 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_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2021-11-23 15:04:21,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:21,218 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:04:21,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:21,239 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_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2021-11-23 15:04:21,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:21,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:21,272 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_38620d55-4004-440a-a475-0d6f4908c29c/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2021-11-23 15:04:21,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:21,293 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:21,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21 WrapperNode [2021-11-23 15:04:21,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:21,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:21,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:21,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:21,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,332 INFO L137 Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-11-23 15:04:21,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:21,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:21,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:21,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:21,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:21,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:21,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:21,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:21,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:21" (1/1) ... [2021-11-23 15:04:21,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:21,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:21,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:04:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:04:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:04:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:04:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:04:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:04:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:04:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:04:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:04:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:04:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:21,451 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 15:04:21,534 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:21,536 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:21,966 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:22,108 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.(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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:04:22,118 INFO L158 Benchmark]: Toolchain (without parser) took 1146.00ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 46.4MB in the end (delta: 3.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:22,120 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:22,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.01ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 50.7MB in the end (delta: -1.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:22,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:22,123 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 71.3MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:22,125 INFO L158 Benchmark]: RCFGBuilder took 747.15ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 46.4MB in the end (delta: 840.2kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:22,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.01ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 50.7MB in the end (delta: -1.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 71.3MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.15ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 46.4MB in the end (delta: 840.2kB). Peak memory consumption was 16.8MB. 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 15:04:22,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38620d55-4004-440a-a475-0d6f4908c29c/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