./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC --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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:45,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:45,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:45,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:45,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:45,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:45,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:45,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:45,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:45,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:45,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:45,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:45,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:45,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:45,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:45,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:45,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:45,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:45,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:45,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:45,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:45,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:45,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:45,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:45,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:45,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:45,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:45,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:45,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:45,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:45,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:45,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:45,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:45,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:45,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:45,445 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_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-23 20:12:45,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:45,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:45,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:45,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:45,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:45,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-23 20:12:49,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:49,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:49,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-23 20:12:49,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/d31f691fa/49e32cf7dfb7492e9cff0437e1f69ab0/FLAGbbd336bb1 [2023-11-23 20:12:49,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/d31f691fa/49e32cf7dfb7492e9cff0437e1f69ab0 [2023-11-23 20:12:49,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:49,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:49,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:49,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:49,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:49,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b76428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49, skipping insertion in model container [2023-11-23 20:12:49,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:49,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:49,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:49,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:49,619 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:49,619 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:49,628 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:49,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49 WrapperNode [2023-11-23 20:12:49,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:49,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:49,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:49,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:49,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,676 INFO L138 Inliner]: procedures = 27, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-23 20:12:49,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:49,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:49,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:49,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:49,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:49,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:49,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:49,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:49,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:49,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:49,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:12:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 20:12:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 20:12:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:12:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:12:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:12:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:12:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:12:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:12:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:12:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:12:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:12:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-23 20:12:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:12:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:49,847 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:12:49,985 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:49,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:50,558 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:50,830 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:12:50,835 INFO L158 Benchmark]: Toolchain (without parser) took 1529.89ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 82.8MB in the beginning and 94.3MB in the end (delta: -11.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-23 20:12:50,836 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:50,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.67ms. Allocated memory is still 127.9MB. Free memory was 82.4MB in the beginning and 69.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:12:50,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.05ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 67.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:50,840 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 127.9MB. Free memory was 67.7MB in the beginning and 65.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:50,841 INFO L158 Benchmark]: RCFGBuilder took 1111.98ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 65.7MB in the beginning and 94.3MB in the end (delta: -28.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:50,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.67ms. Allocated memory is still 127.9MB. Free memory was 82.4MB in the beginning and 69.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.05ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 67.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 127.9MB. Free memory was 67.7MB in the beginning and 65.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.98ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 65.7MB in the beginning and 94.3MB in the end (delta: -28.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:12:50,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC --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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:53,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:53,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:12:53,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:53,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:53,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:53,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:53,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:53,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:53,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:53,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:53,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:53,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:53,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:53,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:53,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:53,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:12:53,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:12:53,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:53,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:12:53,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:53,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:53,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:53,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:53,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:53,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:53,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:53,977 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:53,978 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:53,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:53,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:53,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:53,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:53,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:53,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:12:53,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:53,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:53,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:12:53,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:53,984 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_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-23 20:12:54,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:54,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:54,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:54,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:54,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:54,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-23 20:12:57,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:58,042 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:58,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-23 20:12:58,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/9779fa869/2f2d0957d03d4c9eaae23a453ef5caee/FLAG42f551177 [2023-11-23 20:12:58,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/data/9779fa869/2f2d0957d03d4c9eaae23a453ef5caee [2023-11-23 20:12:58,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:58,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:58,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:58,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:58,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:58,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bdbbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58, skipping insertion in model container [2023-11-23 20:12:58,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:58,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:58,432 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:12:58,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:58,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:58,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:58,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:58,580 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:58,580 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:58,589 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:58,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58 WrapperNode [2023-11-23 20:12:58,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:58,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:58,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:58,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:58,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,666 INFO L138 Inliner]: procedures = 29, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-23 20:12:58,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:58,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:58,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:58,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:58,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:58,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:58,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:58,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:58,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:58" (1/1) ... [2023-11-23 20:12:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:58,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:58,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:58,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:12:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 20:12:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 20:12:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:12:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:12:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:12:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:12:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:12:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:12:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:12:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:12:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:12:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-23 20:12:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-23 20:12:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:12:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:12:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:12:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:12:58,864 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:12:59,111 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:59,115 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:59,687 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:59,971 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:12:59,977 INFO L158 Benchmark]: Toolchain (without parser) took 1904.33ms. Allocated memory is still 113.2MB. Free memory was 89.9MB in the beginning and 75.5MB in the end (delta: 14.4MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-23 20:12:59,978 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:59,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.68ms. Allocated memory is still 113.2MB. Free memory was 89.7MB in the beginning and 73.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:59,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.51ms. Allocated memory is still 113.2MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:59,981 INFO L158 Benchmark]: Boogie Preprocessor took 89.23ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:59,982 INFO L158 Benchmark]: RCFGBuilder took 1216.69ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 75.5MB in the end (delta: -6.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:59,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.68ms. Allocated memory is still 113.2MB. Free memory was 89.7MB in the beginning and 73.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.51ms. Allocated memory is still 113.2MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.23ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1216.69ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 75.5MB in the end (delta: -6.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:13:00,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9822d0-78c8-4a4e-9962-5b4b505178dc/bin/ukojak-verify-1t5iHCbJaC/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: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?