./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.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_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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_fb073545-89f6-429a-b447-58d688e6b19d/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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:20,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:20,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:20,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:20,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:20,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:20,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:20,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:20,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:20,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:20,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:20,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:20,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:20,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:20,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:20,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:20,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:20,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:20,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:20,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:20,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:20,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:20,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:20,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:20,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:20,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:20,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:20,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:20,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:20,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:20,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:20,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:20,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:20,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:20,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:20,526 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_fb073545-89f6-429a-b447-58d688e6b19d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-21 18:50:20,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:20,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:20,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:20,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:20,894 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:20,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-21 18:50:24,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:24,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:24,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-21 18:50:24,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/5e3ca4efd/b891c3a29e0f4594bf94a2c3826e62e6/FLAGe7f31f088 [2023-11-21 18:50:24,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/5e3ca4efd/b891c3a29e0f4594bf94a2c3826e62e6 [2023-11-21 18:50:24,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:24,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:24,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:24,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:24,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:24,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a42f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24, skipping insertion in model container [2023-11-21 18:50:24,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:24,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:24,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:24,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:24,631 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:24,631 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:24,639 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:24,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24 WrapperNode [2023-11-21 18:50:24,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:24,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:24,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:24,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:24,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,700 INFO L138 Inliner]: procedures = 27, calls = 77, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-21 18:50:24,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:24,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:24,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:24,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:24,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:24,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:24,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:24,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:24,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:24" (1/1) ... [2023-11-21 18:50:24,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:24,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:50:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:50:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:50:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:50:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:50:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:50:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:50:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:50:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:50:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:50:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:50:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:50:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:50:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:50:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:50:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:24,854 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 18:50:24,988 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:24,990 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:25,633 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:25,859 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;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). 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 18:50:25,864 INFO L158 Benchmark]: Toolchain (without parser) took 1557.35ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 98.4MB in the beginning and 129.1MB in the end (delta: -30.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-21 18:50:25,864 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:50:25,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.03ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 85.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:50:25,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.89ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:25,867 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:25,868 INFO L158 Benchmark]: RCFGBuilder took 1116.06ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 81.3MB in the beginning and 129.1MB in the end (delta: -47.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-21 18:50:25,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.03ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 85.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.89ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1116.06ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 81.3MB in the beginning and 129.1MB in the end (delta: -47.7MB). Peak memory consumption was 20.2MB. 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;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). 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;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). 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 18:50:25,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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 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_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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_fb073545-89f6-429a-b447-58d688e6b19d/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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:28,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:28,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:50:28,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:28,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:28,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:28,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:28,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:28,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:28,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:28,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:28,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:28,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:28,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:28,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:28,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:28,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:50:28,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:50:28,824 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:28,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:50:28,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:28,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:28,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:28,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:28,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:28,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:28,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:28,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:28,829 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:28,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:28,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:28,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:28,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:28,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:28,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:50:28,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:28,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:28,834 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:50:28,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:28,835 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_fb073545-89f6-429a-b447-58d688e6b19d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-21 18:50:29,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:29,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:29,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:29,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:29,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:29,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-21 18:50:32,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:32,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:32,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-21 18:50:32,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/e35257488/a6edefcc13d541ee900ebc272ab6a313/FLAG74b4c7dcf [2023-11-21 18:50:32,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/data/e35257488/a6edefcc13d541ee900ebc272ab6a313 [2023-11-21 18:50:32,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:32,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:32,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:32,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:32,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:32,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:32" (1/1) ... [2023-11-21 18:50:32,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3010b158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:32, skipping insertion in model container [2023-11-21 18:50:32,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:32" (1/1) ... [2023-11-21 18:50:32,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:33,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:33,176 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:50:33,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:33,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:33,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:33,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:33,394 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:33,394 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:33,403 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:33,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33 WrapperNode [2023-11-21 18:50:33,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:33,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:33,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:33,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:33,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,486 INFO L138 Inliner]: procedures = 29, calls = 77, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:50:33,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:33,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:33,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:33,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:33,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:33,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:33,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:33,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:33,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:33" (1/1) ... [2023-11-21 18:50:33,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:33,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:33,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:33,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:50:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:50:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:50:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:50:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:50:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:50:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:50:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:50:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:50:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:50:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:50:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:50:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:50:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:50:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:50:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:50:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:50:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:50:33,706 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 18:50:33,935 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:33,939 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:34,588 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:34,903 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;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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 18:50:34,910 INFO L158 Benchmark]: Toolchain (without parser) took 2093.49ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 47.1MB in the end (delta: -6.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-21 18:50:34,911 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:50:34,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.20ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 40.3MB in the beginning and 76.7MB in the end (delta: -36.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-21 18:50:34,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.31ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:34,914 INFO L158 Benchmark]: Boogie Preprocessor took 99.97ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:34,915 INFO L158 Benchmark]: RCFGBuilder took 1319.55ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 47.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:50:34,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.20ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 40.3MB in the beginning and 76.7MB in the end (delta: -36.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.31ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.97ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1319.55ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 47.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. 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;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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 18:50:34,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb073545-89f6-429a-b447-58d688e6b19d/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;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?