./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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_4d2b095e-bdea-487d-8827-a464d4c88ac8/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 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:42,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:42,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:42,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:42,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:42,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:42,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:42,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:42,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:42,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:42,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:42,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:42,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:42,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:42,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:42,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:42,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:42,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:42,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:42,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:42,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:42,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:42,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:42,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:42,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:42,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:42,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:42,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:42,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:42,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:42,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:42,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:42,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:42,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:42,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:42,869 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_4d2b095e-bdea-487d-8827-a464d4c88ac8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 [2023-11-21 18:48:43,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:43,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:43,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:43,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:43,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:43,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-21 18:48:46,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:46,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:46,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-21 18:48:46,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/1a47a3aad/483d8f233c5749fba104b007be5f9cd5/FLAG3f5b36003 [2023-11-21 18:48:46,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/1a47a3aad/483d8f233c5749fba104b007be5f9cd5 [2023-11-21 18:48:46,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:46,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:46,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:46,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:46,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:46,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:46" (1/1) ... [2023-11-21 18:48:46,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649e182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:46, skipping insertion in model container [2023-11-21 18:48:46,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:46" (1/1) ... [2023-11-21 18:48:46,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:46,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:46,999 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:47,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:47,060 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:47,061 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:47,070 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:47,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47 WrapperNode [2023-11-21 18:48:47,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:47,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:47,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:47,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:47,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,126 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2023-11-21 18:48:47,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:47,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:47,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:47,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:47,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:47,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:47,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:47,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:47,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:47" (1/1) ... [2023-11-21 18:48:47,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:47,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:47,265 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 18:48:47,433 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:47,435 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:47,869 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:48,155 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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:355) 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 18:48:48,164 INFO L158 Benchmark]: Toolchain (without parser) took 1541.41ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 91.0MB in the beginning and 113.0MB in the end (delta: -22.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-21 18:48:48,165 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:48,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.48ms. Allocated memory is still 138.4MB. Free memory was 90.7MB in the beginning and 78.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:48,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.81ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:48,169 INFO L158 Benchmark]: Boogie Preprocessor took 40.30ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:48,170 INFO L158 Benchmark]: RCFGBuilder took 993.66ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.8MB in the beginning and 113.0MB in the end (delta: -38.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:48,181 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 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.48ms. Allocated memory is still 138.4MB. Free memory was 90.7MB in the beginning and 78.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.81ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.30ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 993.66ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.8MB in the beginning and 113.0MB in the end (delta: -38.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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 start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:48:48,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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_4d2b095e-bdea-487d-8827-a464d4c88ac8/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 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:51,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:51,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:48:51,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:51,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:51,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:51,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:51,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:51,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:51,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:51,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:51,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:51,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:51,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:51,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:51,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:51,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:48:51,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:48:51,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:51,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:48:51,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:51,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:51,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:51,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:51,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:51,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:51,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:51,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:51,262 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:51,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:51,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:51,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:51,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:51,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:51,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:48:51,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:51,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:51,267 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:48:51,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:51,268 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_4d2b095e-bdea-487d-8827-a464d4c88ac8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 [2023-11-21 18:48:51,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:51,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:51,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:51,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:51,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:51,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-21 18:48:54,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:55,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:55,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-21 18:48:55,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/24354f5e9/2ff9ee51fb664d118472c6a1a6f7bcaa/FLAGc142139b6 [2023-11-21 18:48:55,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/data/24354f5e9/2ff9ee51fb664d118472c6a1a6f7bcaa [2023-11-21 18:48:55,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:55,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:55,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:55,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:55,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20b9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55, skipping insertion in model container [2023-11-21 18:48:55,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:55,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,796 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:48:55,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:55,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:55,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,889 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:55,890 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:55,898 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:55,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55 WrapperNode [2023-11-21 18:48:55,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:55,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:55,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,947 INFO L138 Inliner]: procedures = 28, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-11-21 18:48:55,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:55,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:55,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:55,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:55,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:55,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:56,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:56,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:48:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:48:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:48:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:48:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:48:56,108 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 18:48:56,299 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:56,302 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:56,835 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:57,168 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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:355) 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 18:48:57,175 INFO L158 Benchmark]: Toolchain (without parser) took 1782.66ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 59.4MB in the beginning and 63.1MB in the end (delta: -3.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:57,177 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:57,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.17ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 44.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:48:57,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.89ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:57,180 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:57,182 INFO L158 Benchmark]: RCFGBuilder took 1176.32ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 63.1MB in the end (delta: -22.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-21 18:48:57,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.17ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 44.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.89ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1176.32ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 63.1MB in the end (delta: -22.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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 start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:48:57,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2b095e-bdea-487d-8827-a464d4c88ac8/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?