./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:15,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:16,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:03:16,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:16,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:16,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:16,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:16,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:16,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:16,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:16,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:16,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:16,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:16,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:16,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:16,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:16,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:16,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:16,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:16,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:16,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:16,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:16,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:16,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:16,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:16,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:16,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:16,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:16,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:16,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:16,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:16,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:16,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:16,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:16,117 INFO L153 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_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-12 00:03:16,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:16,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:16,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:16,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:16,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:16,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-12 00:03:19,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:19,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:19,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-12 00:03:19,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/e42d8665b/172827a19916442d8f4876a75098576b/FLAG4ced863fa [2023-11-12 00:03:20,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/e42d8665b/172827a19916442d8f4876a75098576b [2023-11-12 00:03:20,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:20,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:20,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:20,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:20,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:20,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a37e0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20, skipping insertion in model container [2023-11-12 00:03:20,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:20,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:20,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:20,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:20,532 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:20,533 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:20,540 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:20,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20 WrapperNode [2023-11-12 00:03:20,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:20,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:20,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:20,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:20,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,602 INFO L138 Inliner]: procedures = 26, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2023-11-12 00:03:20,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:20,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:20,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:20,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:20,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:20,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:20,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:20,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:20,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:20,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:20,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:20,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:03:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:03:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:03:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:03:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:03:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:03:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:03:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:03:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:03:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:03:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:03:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:03:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:03:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:03:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:03:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:03:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:03:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:20,784 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:03:21,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:21,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:21,669 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:22,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:22,112 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:03:22,113 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L72 is neither atomic block end nor a sink node. [2023-11-12 00:03:22,114 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-12 00:03:22,119 INFO L158 Benchmark]: Toolchain (without parser) took 1909.01ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 94.6MB in the beginning and 163.5MB in the end (delta: -68.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-12 00:03:22,120 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 146.8MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:22,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.19ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 80.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:03:22,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.99ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:22,124 INFO L158 Benchmark]: Boogie Preprocessor took 42.72ms. Allocated memory is still 146.8MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:22,125 INFO L158 Benchmark]: RCFGBuilder took 1467.91ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 76.7MB in the beginning and 163.5MB in the end (delta: -86.7MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-12 00:03:22,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 146.8MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.19ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 80.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.99ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.72ms. Allocated memory is still 146.8MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1467.91ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 76.7MB in the beginning and 163.5MB in the end (delta: -86.7MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:03:22,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:24,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:25,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:03:25,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:25,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:25,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:25,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:25,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:25,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:25,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:25,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:25,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:25,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:25,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:25,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:25,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:25,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:03:25,135 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:03:25,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:25,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:03:25,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:25,138 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:25,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:25,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:25,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:25,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:25,140 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:03:25,140 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:25,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:25,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:25,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:25,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:25,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:25,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:25,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:03:25,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:25,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:25,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:03:25,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:25,146 INFO L153 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_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-12 00:03:25,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:25,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:25,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:25,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:25,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:25,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-12 00:03:28,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:29,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:29,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-12 00:03:29,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/1d5bd8666/157ab10e413246b3b1ed2002a0eb471e/FLAGf2b2fe911 [2023-11-12 00:03:29,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/data/1d5bd8666/157ab10e413246b3b1ed2002a0eb471e [2023-11-12 00:03:29,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:29,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:29,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:29,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:29,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:29,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4531c9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29, skipping insertion in model container [2023-11-12 00:03:29,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:29,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:29,418 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:03:29,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:29,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:29,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:29,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:29,602 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:29,603 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:29,614 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:29,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29 WrapperNode [2023-11-12 00:03:29,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:29,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:29,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:29,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:29,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,688 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2023-11-12 00:03:29,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:29,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:29,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:29,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:29,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:29,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:29,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:29,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:29,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:29,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:29,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:03:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:03:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:03:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:03:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:03:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:03:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:03:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:03:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:03:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:03:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:03:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:03:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:03:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:03:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:03:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:03:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:03:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:03:29,858 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:03:29,993 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:29,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:30,642 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:31,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:31,138 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:03:31,139 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L72 is neither atomic block end nor a sink node. [2023-11-12 00:03:31,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-12 00:03:31,146 INFO L158 Benchmark]: Toolchain (without parser) took 2037.33ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 52.9MB in the end (delta: -1.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-12 00:03:31,147 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:31,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 51.9MB in the end (delta: -232.0kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:31,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.16ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:31,149 INFO L158 Benchmark]: Boogie Preprocessor took 88.13ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:31,150 INFO L158 Benchmark]: RCFGBuilder took 1365.27ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 52.9MB in the end (delta: -5.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-12 00:03:31,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 51.9MB in the end (delta: -232.0kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.16ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.13ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1365.27ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 52.9MB in the end (delta: -5.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:03:31,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e247b-82f5-4c95-8709-b4dd3fbf6696/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?