./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 527bcce2 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_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:25:58,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:58,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:58,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:58,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:58,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:58,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:58,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:58,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:58,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:58,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:58,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:58,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:58,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:58,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:58,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:58,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:58,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:58,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:58,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:58,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:58,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:58,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:58,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:58,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:58,335 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:58,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:58,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:58,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:58,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:58,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:58,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:58,338 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:58,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:58,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:58,339 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_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-21 18:25:58,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:58,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:58,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:58,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:58,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:58,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-21 18:26:01,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:02,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:02,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-21 18:26:02,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/5c3886a95/c1e3bbd77a8e4a318ecd0e065d61854f/FLAGb16cfb7a4 [2023-11-21 18:26:02,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/5c3886a95/c1e3bbd77a8e4a318ecd0e065d61854f [2023-11-21 18:26:02,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:02,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:02,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:02,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:02,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:02,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c485805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02, skipping insertion in model container [2023-11-21 18:26:02,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:02,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:02,391 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:02,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:02,449 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:02,449 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:02,457 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:02,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02 WrapperNode [2023-11-21 18:26:02,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:02,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:02,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:02,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:02,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,510 INFO L138 Inliner]: procedures = 27, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-21 18:26:02,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:02,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:02,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:02,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:02,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:02,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:02,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:02,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:02,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:02" (1/1) ... [2023-11-21 18:26:02,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:02,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:02,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:02,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:26:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:26:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:26:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:26:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:26:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:26:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:26:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:26:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:26:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:26:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:26:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:26:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:26:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:26:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:26:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:02,740 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:02,882 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:02,886 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:03,415 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:03,647 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:26:03,656 INFO L158 Benchmark]: Toolchain (without parser) took 1563.50ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 68.7MB in the end (delta: 40.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 18:26:03,656 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:03,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.91ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 96.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:03,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.30ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:03,658 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:03,659 INFO L158 Benchmark]: RCFGBuilder took 1083.58ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 68.7MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:26:03,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.91ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 96.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.30ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1083.58ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 68.7MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:03,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:26:06,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:06,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:26:06,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:06,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:06,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:06,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:06,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:06,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:06,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:06,466 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:06,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:06,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:06,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:06,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:06,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:06,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:26:06,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:26:06,470 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:06,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:26:06,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:06,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:06,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:06,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:06,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:06,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:06,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:06,475 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:06,475 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:06,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:06,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:06,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:06,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:06,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:06,478 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:26:06,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:06,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:06,478 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:26:06,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:06,479 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_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-21 18:26:06,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:06,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:06,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:06,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:06,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:06,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-21 18:26:10,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:10,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:10,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-21 18:26:10,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/4a4483901/ab79abc639f1490489235cdf66ebef14/FLAG7f51c154b [2023-11-21 18:26:10,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/data/4a4483901/ab79abc639f1490489235cdf66ebef14 [2023-11-21 18:26:10,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:10,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:10,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:10,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:10,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:10,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:10" (1/1) ... [2023-11-21 18:26:10,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2f784f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:10, skipping insertion in model container [2023-11-21 18:26:10,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:10" (1/1) ... [2023-11-21 18:26:10,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:10,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:10,955 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:26:10,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:11,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:11,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:11,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:11,105 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:11,105 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:11,114 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:11,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11 WrapperNode [2023-11-21 18:26:11,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:11,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:11,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:11,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:11,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,190 INFO L138 Inliner]: procedures = 29, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:26:11,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:11,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:11,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:11,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:11,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:11,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:11,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:11,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:11,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:11" (1/1) ... [2023-11-21 18:26:11,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:11,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:11,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:26:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:26:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:26:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:26:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:26:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:26:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:26:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:26:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:26:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:26:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:26:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:26:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:26:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:26:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:26:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:26:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:26:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:26:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:26:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:26:11,448 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:11,621 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:11,624 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:12,081 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:12,328 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:26:12,332 INFO L158 Benchmark]: Toolchain (without parser) took 1671.85ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 52.2MB in the end (delta: 22.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-21 18:26:12,333 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:12,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.87ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 58.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:26:12,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.82ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:12,335 INFO L158 Benchmark]: Boogie Preprocessor took 119.16ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 78.2MB in the end (delta: -21.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:12,336 INFO L158 Benchmark]: RCFGBuilder took 1019.46ms. Allocated memory is still 98.6MB. Free memory was 77.8MB in the beginning and 52.2MB in the end (delta: 25.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:12,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.87ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 58.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.82ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.16ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 78.2MB in the end (delta: -21.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.46ms. Allocated memory is still 98.6MB. Free memory was 77.8MB in the beginning and 52.2MB in the end (delta: 25.6MB). Peak memory consumption was 31.5MB. 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:12,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c18f1f4-174b-4159-a410-c5a0797d8bd7/bin/ukojak-verify-i0I2FZA1j2/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?