./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:38,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:38,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:38,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:38,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:38,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:38,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:38,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:38,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:38,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:38,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:38,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:38,730 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:38,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:38,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:38,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:38,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:38,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:38,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:38,735 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:38,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:38,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:38,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:38,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:38,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:38,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:38,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:38,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:38,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:38,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:38,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:38,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:38,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:38,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:38,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:38,746 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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab [2023-11-21 18:43:39,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:39,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:39,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:39,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:39,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:39,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-21 18:43:42,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:42,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:42,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-21 18:43:42,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/370353794/627b73e4e28a43d7bb4f490e28538d18/FLAG79bcc0c9b [2023-11-21 18:43:42,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/370353794/627b73e4e28a43d7bb4f490e28538d18 [2023-11-21 18:43:42,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:42,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:42,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:42,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:42,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:42,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:42" (1/1) ... [2023-11-21 18:43:42,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482fd333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:42, skipping insertion in model container [2023-11-21 18:43:42,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:42" (1/1) ... [2023-11-21 18:43:42,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:43,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:43,128 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:43,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:43,168 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:43,169 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:43,175 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:43,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43 WrapperNode [2023-11-21 18:43:43,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:43,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:43,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:43,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:43,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,220 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-21 18:43:43,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:43,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:43,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:43,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:43,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:43,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:43,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:43,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:43,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:43" (1/1) ... [2023-11-21 18:43:43,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:43,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:43,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:43,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:43:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:43:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:43:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:43:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:43:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:43:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:43:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:43:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:43,367 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 18:43:43,488 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:43,490 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:43,837 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:44,072 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 18:43:44,092 WARN L1820 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:44,119 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:44,123 WARN L1820 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:44,136 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:44,176 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 18:43:44,190 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_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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 18:43:44,201 INFO L158 Benchmark]: Toolchain (without parser) took 1306.20ms. Allocated memory is still 184.5MB. Free memory was 141.5MB in the beginning and 136.5MB in the end (delta: 5.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-21 18:43:44,202 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:44,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.93ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 129.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:43:44,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.46ms. Allocated memory is still 184.5MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:44,205 INFO L158 Benchmark]: Boogie Preprocessor took 43.43ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 125.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:44,206 INFO L158 Benchmark]: RCFGBuilder took 933.75ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 136.5MB in the end (delta: -10.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-21 18:43:44,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.93ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 129.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.46ms. Allocated memory is still 184.5MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.43ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 125.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 933.75ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 136.5MB in the end (delta: -10.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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 18:43:44,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:47,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:47,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:43:47,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:47,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:47,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:47,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:47,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:47,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:47,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:47,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:47,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:47,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:47,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:47,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:47,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:47,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:43:47,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:43:47,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:47,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:43:47,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:47,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:47,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:47,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:47,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:47,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:47,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:47,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:47,316 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:47,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:47,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:47,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:47,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:47,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:47,319 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:43:47,320 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:47,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:47,320 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:43:47,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:47,322 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_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab [2023-11-21 18:43:47,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:47,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:47,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:47,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:47,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:47,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-21 18:43:51,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:51,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:51,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-21 18:43:51,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/5f84f6a9a/4e5cd720767a4109b4b508554e25c875/FLAGe0379b4bf [2023-11-21 18:43:51,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/data/5f84f6a9a/4e5cd720767a4109b4b508554e25c875 [2023-11-21 18:43:51,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:51,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:51,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:51,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:51,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:51,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d981d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51, skipping insertion in model container [2023-11-21 18:43:51,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:51,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:51,713 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:51,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:51,783 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:51,784 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:51,791 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:51,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51 WrapperNode [2023-11-21 18:43:51,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:51,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:51,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:51,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:51,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,867 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-21 18:43:51,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:51,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:51,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:51,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:51,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:51,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:51,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:51,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:51,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:51,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:51,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:52,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:43:52,091 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:43:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:43:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:43:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:43:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:43:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:43:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:43:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:43:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:43:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:43:52,112 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 18:43:52,292 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:52,295 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:52,700 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:52,846 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 18:43:52,861 WARN L1820 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:52,928 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:52,932 WARN L1820 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:52,953 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:43:52,979 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 18:43:52,997 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_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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 18:43:53,004 INFO L158 Benchmark]: Toolchain (without parser) took 1616.26ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 53.3MB in the end (delta: 11.0MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-21 18:43:53,005 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 77.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:53,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.95ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 51.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:43:53,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.49ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:53,009 INFO L158 Benchmark]: Boogie Preprocessor took 75.21ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:53,010 INFO L158 Benchmark]: RCFGBuilder took 1056.18ms. Allocated memory is still 88.1MB. Free memory was 48.0MB in the beginning and 53.3MB in the end (delta: -5.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-21 18:43:53,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 77.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.95ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 51.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.49ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.21ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1056.18ms. Allocated memory is still 88.1MB. Free memory was 48.0MB in the beginning and 53.3MB in the end (delta: -5.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #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 18:43:53,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e8fee5-5c3a-41d3-9d06-270c9bfdf227/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?