./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ --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 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:47,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:47,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:47,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:47,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:47,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:47,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:47,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:47,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:47,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:47,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:47,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:47,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:47,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:47,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:47,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:47,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:47,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:47,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:47,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:47,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:47,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:47,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:47,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:47,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:47,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:47,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:47,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:47,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:47,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:47,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:47,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:47,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:47,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:47,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:47,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:47,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:47,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:47,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:47,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:47,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:47,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:02:47,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:47,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:47,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:02:47,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:02:47,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:47,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:47,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:47,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:02:47,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:02:47,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:02:47,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:47,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:02:47,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:47,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:02:47,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:02:47,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:02:47,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:47,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:02:47,211 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:47,211 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:47,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:47,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:47,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:47,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:47,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:02:47,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:02:47,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:02:47,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:02:47,214 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2021-11-23 01:02:47,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:47,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:47,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:47,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:47,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:47,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2021-11-23 01:02:47,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/415955eb2/014740df06a949a6a45d7b8ca1e76670/FLAGe72024ff1 [2021-11-23 01:02:48,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:48,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2021-11-23 01:02:48,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/415955eb2/014740df06a949a6a45d7b8ca1e76670/FLAGe72024ff1 [2021-11-23 01:02:48,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/415955eb2/014740df06a949a6a45d7b8ca1e76670 [2021-11-23 01:02:48,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:48,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:48,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:48,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:48,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:48,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73db1c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48, skipping insertion in model container [2021-11-23 01:02:48,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:48,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:48,816 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2021-11-23 01:02:48,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:48,852 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:02:48,901 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2021-11-23 01:02:48,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:48,935 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:02:48,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48 WrapperNode [2021-11-23 01:02:48,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:48,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:48,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:02:48,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:02:48,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,011 INFO L137 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 107 [2021-11-23 01:02:49,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:49,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:02:49,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:02:49,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:02:49,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:02:49,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:02:49,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:02:49,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:02:49,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:49,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:49,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:02:49,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:02:49,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:02:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:02:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:02:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:02:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:02:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:02:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:02:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:02:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:02:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:02:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:02:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:02:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:02:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:02:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:02:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:02:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:02:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:02:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:02:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:02:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:02:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:02:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:02:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:02:49,156 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 01:02:49,308 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:02:49,310 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:02:49,620 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:02:49,736 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:02:49,736 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:02:49,737 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2021-11-23 01:02:49,738 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:02:49,743 INFO L158 Benchmark]: Toolchain (without parser) took 1271.19ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 68.8MB in the beginning and 79.4MB in the end (delta: -10.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 01:02:49,743 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:02:49,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.36ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 104.9MB in the end (delta: -36.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:02:49,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.71ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:02:49,746 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:02:49,747 INFO L158 Benchmark]: RCFGBuilder took 685.56ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 79.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:02:49,751 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 98.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.36ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 104.9MB in the end (delta: -36.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.71ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.56ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 79.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:02:49,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ --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 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:52,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:52,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:52,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:52,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:52,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:52,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:52,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:52,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:52,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:52,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:52,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:52,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:52,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:52,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:52,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:52,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:52,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:52,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:52,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:52,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:52,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:52,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:52,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:52,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:52,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:52,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:52,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:52,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:52,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:52,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:52,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:52,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:52,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:52,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:52,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:52,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:52,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:52,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:52,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:52,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:52,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:02:52,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:52,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:52,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:02:52,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:02:52,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:52,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:52,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:52,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:02:52,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:02:52,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:52,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:02:52,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:52,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:02:52,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:02:52,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:02:52,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:02:52,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:02:52,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:02:52,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:52,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:02:52,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:52,541 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:52,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:52,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:52,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:52,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:52,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:02:52,542 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:02:52,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:02:52,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:02:52,543 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:02:52,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:02:52,544 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2021-11-23 01:02:53,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:53,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:53,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:53,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:53,045 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:53,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2021-11-23 01:02:53,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/60437981c/81b206517da94e808f0323df21fbba76/FLAG1d2568592 [2021-11-23 01:02:53,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:53,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2021-11-23 01:02:53,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/60437981c/81b206517da94e808f0323df21fbba76/FLAG1d2568592 [2021-11-23 01:02:53,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/data/60437981c/81b206517da94e808f0323df21fbba76 [2021-11-23 01:02:53,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:53,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:53,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:53,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:53,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:53,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:53" (1/1) ... [2021-11-23 01:02:53,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d37cbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:53, skipping insertion in model container [2021-11-23 01:02:53,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:53" (1/1) ... [2021-11-23 01:02:53,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:53,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:54,138 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2021-11-23 01:02:54,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:54,182 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:02:54,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:54,225 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2021-11-23 01:02:54,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:54,252 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:02:54,300 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_d0a780f5-c569-4aaf-938c-a7235c79ff8f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2021-11-23 01:02:54,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:54,332 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:02:54,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54 WrapperNode [2021-11-23 01:02:54,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:54,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:54,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:02:54,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:02:54,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,404 INFO L137 Inliner]: procedures = 28, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2021-11-23 01:02:54,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:54,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:02:54,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:02:54,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:02:54,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:02:54,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:02:54,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:02:54,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:02:54,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:54" (1/1) ... [2021-11-23 01:02:54,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:54,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:02:54,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:02:54,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:02:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:02:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:02:54,556 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:02:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:02:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:02:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:02:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:02:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:02:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:02:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:02:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:02:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:02:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:02:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:02:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:02:54,562 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 01:02:54,706 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:02:54,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:02:55,132 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:02:55,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:02:55,260 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:02:55,261 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2021-11-23 01:02:55,262 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:02:55,285 INFO L158 Benchmark]: Toolchain (without parser) took 1478.00ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 52.2MB in the end (delta: -18.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:02:55,286 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:02:55,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.25ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 34.2MB in the end (delta: -859.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:02:55,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.16ms. Allocated memory is still 56.6MB. Free memory was 34.2MB in the beginning and 32.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:02:55,289 INFO L158 Benchmark]: Boogie Preprocessor took 57.23ms. Allocated memory is still 56.6MB. Free memory was 32.4MB in the beginning and 30.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:02:55,290 INFO L158 Benchmark]: RCFGBuilder took 818.47ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 52.2MB in the end (delta: -21.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 01:02:55,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.25ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 34.2MB in the end (delta: -859.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.16ms. Allocated memory is still 56.6MB. Free memory was 34.2MB in the beginning and 32.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.23ms. Allocated memory is still 56.6MB. Free memory was 32.4MB in the beginning and 30.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 818.47ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 52.2MB in the end (delta: -21.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:02:55,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a780f5-c569-4aaf-938c-a7235c79ff8f/bin/ukojak-LBtLqBUTdQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?