./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/max10-1.i --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_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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_061c8e45-3a49-4821-9591-026870077165/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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:48,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:48,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:49,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:49,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:49,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:49,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:49,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:49,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:49,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:49,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:49,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:49,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:49,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:49,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:49,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:49,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:49,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:49,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:49,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:49,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:49,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:49,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:49,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:49,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:49,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:49,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:49,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:49,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:49,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:49,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:49,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:49,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:49,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:49,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:49,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:49,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:49,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:49,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:49,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:49,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:49,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:49,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:49,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:49,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:49,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:49,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:49,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:49,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:49,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:49,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:49,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:49,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:49,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:49,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:49,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:49,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:49,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:49,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:49,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:49,140 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:49,141 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:49,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:49,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:49,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:49,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:49,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:49,142 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:49,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:49,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:49,143 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_061c8e45-3a49-4821-9591-026870077165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2021-11-23 15:55:49,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:49,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:49,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:49,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:49,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:49,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2021-11-23 15:55:49,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/c5440d26f/69df1ddb3ccf4c968c7d35d8758c6aae/FLAG0e941d89f [2021-11-23 15:55:50,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:50,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i [2021-11-23 15:55:50,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/c5440d26f/69df1ddb3ccf4c968c7d35d8758c6aae/FLAG0e941d89f [2021-11-23 15:55:50,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/c5440d26f/69df1ddb3ccf4c968c7d35d8758c6aae [2021-11-23 15:55:50,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:50,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:50,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:50,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:50,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:50,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272dbb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50, skipping insertion in model container [2021-11-23 15:55:50,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:50,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:50,703 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_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-11-23 15:55:50,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:50,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:50,735 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_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-11-23 15:55:50,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:50,749 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50 WrapperNode [2021-11-23 15:55:50,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:50,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:50,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:50,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:50,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,786 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 15:55:50,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:50,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:50,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:50,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:50,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:50,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:50,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:50,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:50,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:50" (1/1) ... [2021-11-23 15:55:50,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:50,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:50,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-23 15:55:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-23 15:55:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:50,968 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:50,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:51,121 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:51,146 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:55:51,151 INFO L158 Benchmark]: Toolchain (without parser) took 710.11ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 53.4MB in the end (delta: 6.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,152 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:51,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.41ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 67.8MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.10ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:51,155 INFO L158 Benchmark]: Boogie Preprocessor took 27.62ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 65.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,157 INFO L158 Benchmark]: RCFGBuilder took 333.31ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 53.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:51,162 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 92.3MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.41ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 67.8MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.10ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.62ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 65.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.31ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 53.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. 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 15:55:51,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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_061c8e45-3a49-4821-9591-026870077165/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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:53,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:53,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:53,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:53,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:53,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:53,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:53,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:53,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:53,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:53,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:53,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:53,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:53,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:53,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:53,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:53,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:53,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:53,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:53,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:53,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:53,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:53,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:53,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:53,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:53,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:53,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:53,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:53,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:53,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:53,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:53,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:53,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:53,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:53,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:53,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:53,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:53,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:53,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:53,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:53,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:53,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:53,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:53,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:53,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:53,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:53,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:53,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:53,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:53,928 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:53,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:53,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:53,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:53,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:53,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:53,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:53,929 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:53,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:53,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:53,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:53,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:53,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:53,930 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:53,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:53,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:53,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:53,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:53,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:53,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:53,932 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:53,933 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:53,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:53,933 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:53,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:53,934 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_061c8e45-3a49-4821-9591-026870077165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2021-11-23 15:55:54,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:54,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:54,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:54,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:54,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:54,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2021-11-23 15:55:54,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/16bf19a31/c9b22ded48c14c0db6a8852c132a7a77/FLAG76474b4d1 [2021-11-23 15:55:55,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:55,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i [2021-11-23 15:55:55,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/16bf19a31/c9b22ded48c14c0db6a8852c132a7a77/FLAG76474b4d1 [2021-11-23 15:55:55,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/data/16bf19a31/c9b22ded48c14c0db6a8852c132a7a77 [2021-11-23 15:55:55,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:55,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:55,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:55,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:55,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:55,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5b5d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55, skipping insertion in model container [2021-11-23 15:55:55,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:55,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:55,654 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_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-11-23 15:55:55,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:55,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:55,749 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_061c8e45-3a49-4821-9591-026870077165/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-11-23 15:55:55,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:55,772 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:55,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55 WrapperNode [2021-11-23 15:55:55,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:55,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:55,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:55,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:55,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,879 INFO L137 Inliner]: procedures = 18, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-11-23 15:55:55,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:55,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:55,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:55,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:55,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:55,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:55,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:55,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:55,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:55,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:56,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-23 15:55:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-23 15:55:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:56,199 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:56,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:56,432 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:56,488 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:55:56,505 INFO L158 Benchmark]: Toolchain (without parser) took 1116.61ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 53.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:56,507 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:56,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.33ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 68.4MB in the end (delta: -19.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:56,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.02ms. Allocated memory is still 86.0MB. Free memory was 68.2MB in the beginning and 66.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:56,511 INFO L158 Benchmark]: Boogie Preprocessor took 54.37ms. Allocated memory is still 86.0MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:56,512 INFO L158 Benchmark]: RCFGBuilder took 566.71ms. Allocated memory is still 86.0MB. Free memory was 65.3MB in the beginning and 53.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:56,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.33ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 68.4MB in the end (delta: -19.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.02ms. Allocated memory is still 86.0MB. Free memory was 68.2MB in the beginning and 66.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.37ms. Allocated memory is still 86.0MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.71ms. Allocated memory is still 86.0MB. Free memory was 65.3MB in the beginning and 53.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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 15:55:56,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061c8e45-3a49-4821-9591-026870077165/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