./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:44,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:44,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:44,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:44,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:44,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:44,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:44,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:44,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:44,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:44,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:44,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:44,987 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:44,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:44,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:44,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:44,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:44,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:44,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:44,991 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:44,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:44,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:44,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:44,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:44,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:44,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:44,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:45,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:45,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:45,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:45,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:45,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:45,004 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:45,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:45,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:45,005 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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-11-21 18:55:45,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:45,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:45,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:45,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:45,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:45,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-21 18:55:48,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:48,744 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:48,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-21 18:55:48,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/1f5461afe/e9840a17d57a410880acd4a8a143d01e/FLAG5b40c3ec0 [2023-11-21 18:55:48,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/1f5461afe/e9840a17d57a410880acd4a8a143d01e [2023-11-21 18:55:48,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:48,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:48,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:48,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:48,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:48,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:48" (1/1) ... [2023-11-21 18:55:48,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec16c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:48, skipping insertion in model container [2023-11-21 18:55:48,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:48" (1/1) ... [2023-11-21 18:55:48,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:49,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:49,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:49,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:49,179 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,179 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,188 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:49,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49 WrapperNode [2023-11-21 18:55:49,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:49,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:49,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:49,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:49,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,262 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2023-11-21 18:55:49,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:49,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:49,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:49,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:49,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:49,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:49,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:49,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:49,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:49,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:49,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:49,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:55:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:55:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:55:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:55:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:55:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:55:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:55:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:55:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:55:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:55:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:49,455 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 18:55:49,618 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:49,621 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:50,018 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:50,178 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:50,189 WARN L1820 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:50,208 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:50,212 WARN L1820 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:50,226 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:55:50,230 INFO L158 Benchmark]: Toolchain (without parser) took 1443.05ms. Allocated memory is still 157.3MB. Free memory was 127.2MB in the beginning and 91.6MB in the end (delta: 35.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:50,231 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:50,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.45ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 115.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:50,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.30ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 113.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:50,233 INFO L158 Benchmark]: Boogie Preprocessor took 68.54ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 127.3MB in the end (delta: -13.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:50,234 INFO L158 Benchmark]: RCFGBuilder took 896.04ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 91.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 18:55:50,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.45ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 115.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.30ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 113.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.54ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 127.3MB in the end (delta: -13.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 896.04ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 91.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:55:50,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:52,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:53,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:55:53,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:53,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:53,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:53,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:53,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:53,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:53,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:53,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:53,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:53,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:53,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:53,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:53,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:53,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:55:53,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:55:53,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:53,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:55:53,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:53,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:53,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:53,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:53,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:53,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:53,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:53,159 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:53,159 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:53,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:53,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:53,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:53,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:53,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:53,163 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:55:53,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:53,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:53,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:55:53,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:53,165 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_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-11-21 18:55:53,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:53,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:53,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:53,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:53,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:53,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-21 18:55:56,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:57,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:57,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-21 18:55:57,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/7b9ee8db8/78d055c3ebc24856887445d0d991a464/FLAG25dc2cfdb [2023-11-21 18:55:57,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/data/7b9ee8db8/78d055c3ebc24856887445d0d991a464 [2023-11-21 18:55:57,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:57,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:57,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:57,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:57,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:57,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62864bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57, skipping insertion in model container [2023-11-21 18:55:57,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:57,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:57,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:57,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:57,421 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:57,422 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:57,429 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:57,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57 WrapperNode [2023-11-21 18:55:57,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:57,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:57,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:57,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:57,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,498 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-21 18:55:57,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:57,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:57,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:57,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:57,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:57,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:57,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:57,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:57,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:57" (1/1) ... [2023-11-21 18:55:57,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:57,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:57,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:55:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:55:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:55:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:55:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:55:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:55:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:55:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:55:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:55:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:55:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:55:57,713 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 18:55:57,876 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:57,878 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:58,294 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:58,467 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:58,483 WARN L1820 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:58,518 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:58,521 WARN L1820 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:55:58,534 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:55:58,539 INFO L158 Benchmark]: Toolchain (without parser) took 1419.71ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 51.2MB in the beginning and 77.4MB in the end (delta: -26.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-21 18:55:58,540 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:58,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.88ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 39.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:55:58,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.04ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:58,543 INFO L158 Benchmark]: Boogie Preprocessor took 62.69ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:58,544 INFO L158 Benchmark]: RCFGBuilder took 974.24ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 35.6MB in the beginning and 77.4MB in the end (delta: -41.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-21 18:55:58,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.88ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 39.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.04ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.69ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 974.24ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 35.6MB in the beginning and 77.4MB in the end (delta: -41.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:55:58,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e235f7e-b6b4-4915-9b59-bd9292a2b4e8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?