./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.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_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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_6bbc5649-a865-4ba1-9330-49f23829f9aa/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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:53,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:53,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:54,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:54,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:54,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:54,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:54,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:54,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:54,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:54,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:54,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:54,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:54,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:54,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:54,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:54,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:54,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:54,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:54,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:54,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:54,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:54,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:54,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:54,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:54,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:54,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:54,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:54,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:54,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:54,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:54,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:54,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:54,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:54,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:54,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:54,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:54,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:54,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:54,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:54,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:54,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:54,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:54,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:54,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:54,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:54,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:54,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:54,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:54,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:54,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:54,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:54,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:54,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:54,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:54,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:54,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:54,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:54,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:54,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:54,202 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:54,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:54,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:54,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:54,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:54,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:54,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:54,204 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:54,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:54,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:54,205 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-11-23 15:46:54,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:54,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:54,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:54,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:54,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:54,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 15:46:54,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/3ef4641bb/76029369a66044f3bc90c55fd72c270e/FLAG972f4f249 [2021-11-23 15:46:55,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:55,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 15:46:55,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/3ef4641bb/76029369a66044f3bc90c55fd72c270e/FLAG972f4f249 [2021-11-23 15:46:55,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/3ef4641bb/76029369a66044f3bc90c55fd72c270e [2021-11-23 15:46:55,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:55,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:55,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:55,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:55,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:55,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:46:55,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b60551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55, skipping insertion in model container [2021-11-23 15:46:55,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:46:55,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:55,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:55,937 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 15:46:55,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:55,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:55,992 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 15:46:56,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:56,041 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:56,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56 WrapperNode [2021-11-23 15:46:56,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:56,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:56,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:56,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:56,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,116 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 15:46:56,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:56,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:56,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:56,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:56,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:56,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:56,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:56,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:56,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2021-11-23 15:46:56,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:56,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:56,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:46:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:46:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:46:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:46:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:46:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:46:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:46:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:46:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:46:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:46:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:46:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:46:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:46:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:46:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:46:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:56,278 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 15:46:56,427 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:56,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:56,888 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:56,995 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 15:46:57,001 INFO L158 Benchmark]: Toolchain (without parser) took 1393.58ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 63.0MB in the end (delta: -9.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:57,002 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:57,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.59ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 87.0MB in the end (delta: -33.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:46:57,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.07ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 85.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:57,006 INFO L158 Benchmark]: Boogie Preprocessor took 39.17ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:57,007 INFO L158 Benchmark]: RCFGBuilder took 840.75ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 63.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:46:57,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.59ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 87.0MB in the end (delta: -33.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.07ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 85.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.17ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.75ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 63.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. 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 15:46:57,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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_6bbc5649-a865-4ba1-9330-49f23829f9aa/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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:59,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:59,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:59,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:59,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:59,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:59,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:00,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:00,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:00,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:00,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:00,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:00,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:00,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:00,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:00,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:00,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:00,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:00,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:00,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:00,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:00,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:00,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:00,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:00,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:00,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:00,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:00,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:00,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:00,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:00,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:00,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:00,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:00,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:00,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:00,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:00,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:00,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:00,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:00,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:00,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:00,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:00,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:00,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:00,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:00,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:00,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:00,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:00,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:00,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:00,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:00,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:00,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:00,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:00,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:00,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:00,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:00,146 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:00,146 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:00,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:00,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:00,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:00,147 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:00,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:00,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:00,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:00,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:00,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:00,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:00,150 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:00,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:00,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:00,150 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:00,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:00,151 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-11-23 15:47:00,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:00,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:00,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:00,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:00,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:00,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 15:47:00,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/6bf11f7c4/08be43c733de434d81efad11225a98f3/FLAGc5f9cd38f [2021-11-23 15:47:01,508 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:01,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 15:47:01,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/6bf11f7c4/08be43c733de434d81efad11225a98f3/FLAGc5f9cd38f [2021-11-23 15:47:01,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/data/6bf11f7c4/08be43c733de434d81efad11225a98f3 [2021-11-23 15:47:01,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:01,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:01,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:01,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:01,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:01,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:01" (1/1) ... [2021-11-23 15:47:01,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c70cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:01, skipping insertion in model container [2021-11-23 15:47:01,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:01" (1/1) ... [2021-11-23 15:47:01,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:01,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:02,104 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 15:47:02,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:02,156 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:47:02,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:02,211 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 15:47:02,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:02,226 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:02,270 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_6bbc5649-a865-4ba1-9330-49f23829f9aa/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 15:47:02,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:02,305 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:02,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02 WrapperNode [2021-11-23 15:47:02,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:02,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:02,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:02,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:02,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,391 INFO L137 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2021-11-23 15:47:02,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:02,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:02,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:02,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:02,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:02,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:02,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:02,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:02,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:02" (1/1) ... [2021-11-23 15:47:02,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:02,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:02,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:47:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:47:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:47:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:47:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:47:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:47:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:47:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:47:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:47:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:47:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:47:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:47:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:47:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:02,562 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 15:47:02,748 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:02,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:03,310 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:03,518 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 15:47:03,523 INFO L158 Benchmark]: Toolchain (without parser) took 1679.87ms. Allocated memory is still 71.3MB. Free memory was 55.6MB in the beginning and 47.7MB in the end (delta: 7.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,524 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:03,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.38ms. Allocated memory is still 71.3MB. Free memory was 55.4MB in the beginning and 51.7MB in the end (delta: 3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.73ms. Allocated memory is still 71.3MB. Free memory was 51.7MB in the beginning and 49.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,527 INFO L158 Benchmark]: Boogie Preprocessor took 44.41ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 48.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:03,528 INFO L158 Benchmark]: RCFGBuilder took 1083.46ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.7MB in the end (delta: 275.2kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.38ms. Allocated memory is still 71.3MB. Free memory was 55.4MB in the beginning and 51.7MB in the end (delta: 3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.73ms. Allocated memory is still 71.3MB. Free memory was 51.7MB in the beginning and 49.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.41ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 48.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1083.46ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.7MB in the end (delta: 275.2kB). Peak memory consumption was 25.6MB. 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 15:47:03,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbc5649-a865-4ba1-9330-49f23829f9aa/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