./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.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_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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_2b99828d-4a0f-437c-b8d3-ada9569b558e/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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:50,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:50,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:50,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:50,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:50,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:50,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:50,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:50,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:50,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:50,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:50,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:50,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:50,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:50,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:50,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:50,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:50,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:50,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:50,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:50,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:50,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:50,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:50,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:50,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:50,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:50,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:50,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:50,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:50,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:50,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:50,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:50,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:50,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:50,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:50,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:50,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:50,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:50,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:50,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:50,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:50,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:50,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:50,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:50,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:50,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:50,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:50,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:50,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:50,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:50,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:50,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:50,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:50,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:50,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:50,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:50,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:50,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:50,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:50,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:50,349 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:50,349 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:50,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:50,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:50,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:50,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:50,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:50,350 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:50,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:50,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:50,350 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2021-11-23 15:39:50,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:50,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:50,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:50,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:50,651 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:50,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-11-23 15:39:50,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/f4f13e420/96c72110cac64ab79730700a8b78dc00/FLAG851200ccf [2021-11-23 15:39:51,168 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:51,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-11-23 15:39:51,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/f4f13e420/96c72110cac64ab79730700a8b78dc00/FLAG851200ccf [2021-11-23 15:39:51,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/f4f13e420/96c72110cac64ab79730700a8b78dc00 [2021-11-23 15:39:51,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:51,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:51,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:51,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:51,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:51,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710753c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51, skipping insertion in model container [2021-11-23 15:39:51,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:51,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:51,775 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-11-23 15:39:51,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:51,785 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:51,805 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-11-23 15:39:51,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:51,819 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:51,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51 WrapperNode [2021-11-23 15:39:51,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:51,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:51,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:51,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:51,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,855 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 15:39:51,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:51,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:51,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:51,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:51,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:51,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:51,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:51,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:51,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:51,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:51,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:39:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:39:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2021-11-23 15:39:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2021-11-23 15:39:52,100 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:52,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:52,301 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:52,327 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 15:39:52,331 INFO L158 Benchmark]: Toolchain (without parser) took 779.05ms. Allocated memory is still 111.1MB. Free memory was 68.6MB in the beginning and 69.9MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:52,332 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:52,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.11ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 84.3MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:52,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.27ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 82.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:52,336 INFO L158 Benchmark]: Boogie Preprocessor took 36.83ms. Allocated memory is still 111.1MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:52,337 INFO L158 Benchmark]: RCFGBuilder took 435.20ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 69.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:52,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.11ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 84.3MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.27ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 82.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.83ms. Allocated memory is still 111.1MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.20ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 69.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. 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 15:39:52,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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_2b99828d-4a0f-437c-b8d3-ada9569b558e/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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:54,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:54,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:54,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:54,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:54,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:54,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:54,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:54,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:54,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:54,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:54,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:54,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:54,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:54,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:55,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:55,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:55,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:55,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:55,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:55,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:55,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:55,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:55,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:55,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:55,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:55,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:55,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:55,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:55,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:55,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:55,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:55,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:55,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:55,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:55,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:55,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:55,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:55,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:55,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:55,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:55,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:55,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:55,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:55,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:55,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:55,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:55,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:55,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:55,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:55,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:55,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:55,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:55,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:55,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:55,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:55,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:55,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:55,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:55,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:55,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:55,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:55,106 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:55,106 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:55,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:55,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:55,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:55,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:55,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:55,107 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:55,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:55,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:55,108 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:55,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:55,109 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2021-11-23 15:39:55,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:55,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:55,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:55,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:55,579 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:55,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-11-23 15:39:55,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/83de6c86a/1dcc148932074fe6aa423222f3224428/FLAG6836986c2 [2021-11-23 15:39:56,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:56,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-11-23 15:39:56,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/83de6c86a/1dcc148932074fe6aa423222f3224428/FLAG6836986c2 [2021-11-23 15:39:56,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/data/83de6c86a/1dcc148932074fe6aa423222f3224428 [2021-11-23 15:39:56,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:56,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:56,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:56,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:56,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:56,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61459acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56, skipping insertion in model container [2021-11-23 15:39:56,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:56,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:56,758 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-11-23 15:39:56,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:56,771 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:56,796 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_2b99828d-4a0f-437c-b8d3-ada9569b558e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-11-23 15:39:56,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:56,812 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:56,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56 WrapperNode [2021-11-23 15:39:56,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:56,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:56,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:56,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:56,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,853 INFO L137 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-11-23 15:39:56,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:56,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:56,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:56,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:56,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:56,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:56,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:56,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:56,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:56" (1/1) ... [2021-11-23 15:39:56,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:56,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:56,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:56,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:39:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:39:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2021-11-23 15:39:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2021-11-23 15:39:57,099 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:57,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:57,350 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:57,370 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 15:39:57,375 INFO L158 Benchmark]: Toolchain (without parser) took 849.02ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 38.9MB in the end (delta: 5.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-23 15:39:57,376 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:57,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.42ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 32.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:57,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.75ms. Allocated memory is still 65.0MB. Free memory was 32.7MB in the beginning and 31.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:57,379 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 29.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:57,380 INFO L158 Benchmark]: RCFGBuilder took 485.93ms. Allocated memory is still 65.0MB. Free memory was 29.7MB in the beginning and 38.9MB in the end (delta: -9.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:57,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.42ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 32.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.75ms. Allocated memory is still 65.0MB. Free memory was 32.7MB in the beginning and 31.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 29.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.93ms. Allocated memory is still 65.0MB. Free memory was 29.7MB in the beginning and 38.9MB in the end (delta: -9.2MB). Peak memory consumption was 8.2MB. 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 15:39:57,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b99828d-4a0f-437c-b8d3-ada9569b558e/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