./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.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_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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_89471f81-1b78-4e61-8d1f-9742dd20c372/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:13,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:13,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:13,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:13,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:13,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:13,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:13,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:13,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:13,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:13,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:13,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:13,842 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:13,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:13,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:13,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:13,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:13,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:13,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:13,848 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:13,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:13,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:13,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:13,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:13,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:13,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:13,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:13,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:13,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:13,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:13,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:13,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:13,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:13,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:13,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:13,857 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_89471f81-1b78-4e61-8d1f-9742dd20c372/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-21 18:49:14,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:14,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:14,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:14,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:14,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:14,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-21 18:49:17,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:17,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:17,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-21 18:49:17,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/e17cdd294/e84a957d5ef24eb09f11148a8bfd89e6/FLAG7bfa82340 [2023-11-21 18:49:17,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/e17cdd294/e84a957d5ef24eb09f11148a8bfd89e6 [2023-11-21 18:49:17,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:17,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:17,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:17,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:17,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:17,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:17" (1/1) ... [2023-11-21 18:49:17,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620ecba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:17, skipping insertion in model container [2023-11-21 18:49:17,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:17" (1/1) ... [2023-11-21 18:49:17,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:18,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:18,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:18,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:18,071 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:18,071 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:18,080 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:18,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18 WrapperNode [2023-11-21 18:49:18,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:18,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:18,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:18,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:18,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,137 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-21 18:49:18,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:18,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:18,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:18,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:18,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:18,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:18,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:18,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:18,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:18" (1/1) ... [2023-11-21 18:49:18,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:18,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:18,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:49:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:49:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:49:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:49:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:49:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:49:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:49:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:49:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:49:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:49:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:49:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:49:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:49:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:18,294 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 18:49:18,427 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:18,429 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:18,928 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:19,201 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: ). 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 18:49:19,206 INFO L158 Benchmark]: Toolchain (without parser) took 1517.88ms. Allocated memory is still 182.5MB. Free memory was 150.7MB in the beginning and 133.5MB in the end (delta: 17.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-21 18:49:19,206 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:19,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.38ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 137.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:49:19,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.63ms. Allocated memory is still 182.5MB. Free memory was 137.1MB in the beginning and 135.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:19,208 INFO L158 Benchmark]: Boogie Preprocessor took 75.22ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 133.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:19,209 INFO L158 Benchmark]: RCFGBuilder took 990.01ms. Allocated memory is still 182.5MB. Free memory was 132.9MB in the beginning and 133.5MB in the end (delta: -621.0kB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:19,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.38ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 137.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.63ms. Allocated memory is still 182.5MB. Free memory was 137.1MB in the beginning and 135.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.22ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 133.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 990.01ms. Allocated memory is still 182.5MB. Free memory was 132.9MB in the beginning and 133.5MB in the end (delta: -621.0kB). Peak memory consumption was 39.2MB. 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: ). 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: ). 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 18:49:19,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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_89471f81-1b78-4e61-8d1f-9742dd20c372/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:21,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:21,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:49:22,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:22,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:22,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:22,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:22,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:22,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:22,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:22,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:22,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:22,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:22,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:22,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:22,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:22,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:49:22,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:49:22,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:22,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:49:22,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:22,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:22,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:22,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:22,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:22,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:22,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:22,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:22,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:22,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:22,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:22,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:22,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:22,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:22,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:49:22,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:22,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:22,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:49:22,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:22,071 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_89471f81-1b78-4e61-8d1f-9742dd20c372/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-21 18:49:22,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:22,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:22,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:22,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:22,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:22,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-21 18:49:25,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:26,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:26,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-21 18:49:26,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/9ce58c3ab/2e2e750e6b7446f4bf0914385f15b6aa/FLAG931317c7d [2023-11-21 18:49:26,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/data/9ce58c3ab/2e2e750e6b7446f4bf0914385f15b6aa [2023-11-21 18:49:26,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:26,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:26,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:26,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:26,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:26,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d351ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26, skipping insertion in model container [2023-11-21 18:49:26,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:26,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:26,325 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:49:26,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:26,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:26,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:26,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:26,466 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:26,467 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:26,474 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:26,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26 WrapperNode [2023-11-21 18:49:26,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:26,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:26,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:26,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:26,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,530 INFO L138 Inliner]: procedures = 29, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:49:26,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:26,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:26,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:26,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:26,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:26,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:26,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:26,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:26,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:26,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:26,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:49:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:49:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:49:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:49:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:49:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:49:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:49:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:49:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:49:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:49:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:49:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:49:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:49:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:49:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:49:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:49:26,723 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 18:49:26,890 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:26,892 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:27,542 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:27,824 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: ). 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 18:49:27,831 INFO L158 Benchmark]: Toolchain (without parser) took 1790.13ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 64.6MB in the end (delta: -13.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:27,832 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:27,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.08ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.4MB in the beginning and 75.8MB in the end (delta: -24.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-21 18:49:27,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.63ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:27,835 INFO L158 Benchmark]: Boogie Preprocessor took 98.91ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 71.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:27,835 INFO L158 Benchmark]: RCFGBuilder took 1197.81ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 64.6MB in the end (delta: 7.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-21 18:49:27,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.08ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.4MB in the beginning and 75.8MB in the end (delta: -24.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.63ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.91ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 71.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1197.81ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 64.6MB in the end (delta: 7.1MB). Peak memory consumption was 28.7MB. 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: ). 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: ). 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 18:49:27,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89471f81-1b78-4e61-8d1f-9742dd20c372/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?