./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:35,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:35,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:35,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:35,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:35,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:35,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:35,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:35,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:35,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:35,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:35,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:35,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:35,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:35,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:35,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:35,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:35,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:35,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:35,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:35,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:35,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:35,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:35,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:35,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:35,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:35,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:35,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:35,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:35,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:35,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:35,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:35,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:35,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:35,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:35,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:35,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:35,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:35,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:35,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:35,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:35,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:48:35,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:35,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:35,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:35,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:35,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:35,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:35,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:35,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:35,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:35,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:35,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:35,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:35,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:35,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:35,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:35,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:35,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:35,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:35,585 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:35,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:35,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:35,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:35,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:35,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:35,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:35,586 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:35,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:35,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:35,587 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2021-11-23 15:48:35,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:35,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:35,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:35,916 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:35,917 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:35,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-23 15:48:35,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/7aaa48b22/a0462d5bea00437e9f5e260bd09a0248/FLAGbb8604adc [2021-11-23 15:48:36,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:36,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-23 15:48:36,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/7aaa48b22/a0462d5bea00437e9f5e260bd09a0248/FLAGbb8604adc [2021-11-23 15:48:36,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/7aaa48b22/a0462d5bea00437e9f5e260bd09a0248 [2021-11-23 15:48:36,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:36,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:36,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:36,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:36,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:36,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:36" (1/1) ... [2021-11-23 15:48:36,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f17a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:36, skipping insertion in model container [2021-11-23 15:48:36,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:36" (1/1) ... [2021-11-23 15:48:36,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:36,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:37,168 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-23 15:48:37,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:37,185 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:37,219 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-23 15:48:37,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:37,238 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:37,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37 WrapperNode [2021-11-23 15:48:37,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:37,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:37,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:37,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:37,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,298 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 107 [2021-11-23 15:48:37,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:37,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:37,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:37,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:37,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:37,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:37,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:37,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:37,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:37" (1/1) ... [2021-11-23 15:48:37,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:37,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:37,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:37,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:48:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:48:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:48:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:48:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:48:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:48:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:48:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:48:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:48:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:48:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:48:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:48:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:37,464 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:48:37,604 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:37,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:37,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:38,203 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:38,216 INFO L158 Benchmark]: Toolchain (without parser) took 1384.82ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 87.6MB in the end (delta: 25.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:38,217 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:38,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.05ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 116.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:38,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 114.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:38,220 INFO L158 Benchmark]: Boogie Preprocessor took 63.41ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 112.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:38,220 INFO L158 Benchmark]: RCFGBuilder took 850.30ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 87.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:38,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.05ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 116.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 114.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.41ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 112.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.30ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 87.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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 15:48:38,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:40,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:40,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:40,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:40,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:40,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:40,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:40,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:40,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:40,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:40,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:40,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:40,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:40,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:40,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:40,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:40,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:40,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:40,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:40,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:40,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:40,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:40,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:40,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:40,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:40,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:40,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:40,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:40,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:40,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:40,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:40,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:40,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:40,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:40,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:40,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:40,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:40,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:40,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:40,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:40,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:40,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:48:40,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:40,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:40,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:40,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:40,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:40,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:40,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:40,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:40,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:40,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:40,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:40,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:40,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:40,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:40,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:40,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:40,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:40,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:40,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:40,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:40,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:40,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:40,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:40,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:40,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:40,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:40,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:40,948 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:40,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:40,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:40,949 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:40,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:40,950 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2021-11-23 15:48:41,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:41,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:41,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:41,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:41,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:41,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-23 15:48:41,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/522521c3e/0723f7c6ba7441419955fae22bd75cf7/FLAGb5e527b6d [2021-11-23 15:48:42,117 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:42,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-23 15:48:42,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/522521c3e/0723f7c6ba7441419955fae22bd75cf7/FLAGb5e527b6d [2021-11-23 15:48:42,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/data/522521c3e/0723f7c6ba7441419955fae22bd75cf7 [2021-11-23 15:48:42,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:42,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:42,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:42,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:42,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:42,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799a8756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42, skipping insertion in model container [2021-11-23 15:48:42,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:42,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:42,702 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-23 15:48:42,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:42,737 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:48:42,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:42,802 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-23 15:48:42,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:42,821 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:42,863 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_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-23 15:48:42,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:42,907 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:42,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42 WrapperNode [2021-11-23 15:48:42,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:42,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:42,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:42,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:42,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,982 INFO L137 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 99 [2021-11-23 15:48:42,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:42,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:42,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:42,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:42,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:43,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:43,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:43,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:43,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:43,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:43,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:43,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:48:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:48:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:48:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:48:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:48:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:48:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:48:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:48:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:48:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:48:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:48:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:48:43,166 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:48:43,306 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:43,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:43,853 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:44,057 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:44,062 INFO L158 Benchmark]: Toolchain (without parser) took 1630.43ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 42.2MB in the beginning and 55.7MB in the end (delta: -13.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:44,066 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:44,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.80ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 41.3MB in the end (delta: 799.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:44,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.58ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:44,071 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:44,072 INFO L158 Benchmark]: RCFGBuilder took 1020.85ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 37.4MB in the beginning and 55.7MB in the end (delta: -18.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:44,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.80ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 41.3MB in the end (delta: 799.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.58ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.85ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 37.4MB in the beginning and 55.7MB in the end (delta: -18.3MB). Peak memory consumption was 16.7MB. 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 15:48:44,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c752eb7c-13f9-48d3-a5fd-6c87fbda0c9d/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