./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9 --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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:32:39,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:32:39,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:32:39,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:32:39,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:32:39,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:32:39,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:32:39,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:32:39,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:32:39,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:32:39,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:32:39,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:32:39,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:32:39,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:32:39,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:32:39,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:32:39,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:32:39,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:32:39,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:32:39,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:32:39,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:32:39,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:32:39,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:32:39,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:32:39,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:32:39,574 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:32:39,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:32:39,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:32:39,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:39,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:32:39,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:32:39,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:32:39,577 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:32:39,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:32:39,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:32:39,578 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_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-12-03 01:32:39,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:32:39,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:32:39,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:32:39,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:32:39,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:32:39,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-12-03 01:32:42,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:32:42,790 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:32:42,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-12-03 01:32:42,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/e7fe1c9ef/08f1145414754d7da51fe43850fda01a/FLAGcda9f93e1 [2023-12-03 01:32:42,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/e7fe1c9ef/08f1145414754d7da51fe43850fda01a [2023-12-03 01:32:42,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:32:42,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:32:42,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:42,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:32:42,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:32:42,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:42" (1/1) ... [2023-12-03 01:32:42,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83af23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:42, skipping insertion in model container [2023-12-03 01:32:42,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:42" (1/1) ... [2023-12-03 01:32:42,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:32:43,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:43,059 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:32:43,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:43,105 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:32:43,105 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:32:43,112 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:32:43,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43 WrapperNode [2023-12-03 01:32:43,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:43,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:43,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:32:43,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:32:43,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,155 INFO L138 Inliner]: procedures = 26, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2023-12-03 01:32:43,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:43,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:32:43,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:32:43,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:32:43,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:32:43,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:32:43,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:32:43,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:32:43,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:43" (1/1) ... [2023-12-03 01:32:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:43,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:32:43,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:32:43,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:32:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:32:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:32:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:32:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 01:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 01:32:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:32:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:32:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:32:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:32:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:32:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:32:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:32:43,255 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:32:43,366 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:32:43,369 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:32:43,801 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:32:44,040 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:32:44,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:32:44,062 INFO L158 Benchmark]: Toolchain (without parser) took 1244.21ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 113.5MB in the beginning and 111.0MB in the end (delta: 2.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-12-03 01:32:44,062 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:32:44,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.95ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 99.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:32:44,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.66ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:32:44,064 INFO L158 Benchmark]: Boogie Preprocessor took 34.24ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 95.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:32:44,065 INFO L158 Benchmark]: RCFGBuilder took 869.39ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 95.5MB in the beginning and 111.0MB in the end (delta: -15.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-12-03 01:32:44,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.95ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 99.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.66ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.24ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 95.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.39ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 95.5MB in the beginning and 111.0MB in the end (delta: -15.5MB). Peak memory consumption was 33.9MB. 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:32:44,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/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_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9 --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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:32:45,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:32:46,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:32:46,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:32:46,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:32:46,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:32:46,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:32:46,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:32:46,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:32:46,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:32:46,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:32:46,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:32:46,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:32:46,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:32:46,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:32:46,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:32:46,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:32:46,067 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:32:46,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:32:46,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:32:46,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:32:46,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:32:46,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:32:46,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:32:46,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:32:46,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:32:46,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:32:46,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:46,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:32:46,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:32:46,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:46,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:32:46,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:32:46,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:32:46,075 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:32:46,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:46,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:32:46,076 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:32:46,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:32:46,076 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_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-12-03 01:32:46,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:32:46,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:32:46,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:32:46,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:32:46,405 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:32:46,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-12-03 01:32:49,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:32:49,463 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:32:49,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-12-03 01:32:49,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/8e13ca5d0/cb67d87da5ba4b09bd810912e197cc54/FLAG550944dba [2023-12-03 01:32:49,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/data/8e13ca5d0/cb67d87da5ba4b09bd810912e197cc54 [2023-12-03 01:32:49,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:32:49,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:32:49,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:49,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:32:49,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:32:49,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c428379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49, skipping insertion in model container [2023-12-03 01:32:49,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:32:49,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:49,775 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:32:49,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:32:49,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:49,823 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:32:49,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:49,872 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:32:49,872 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:32:49,880 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:32:49,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49 WrapperNode [2023-12-03 01:32:49,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:49,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:49,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:32:49,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:32:49,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,929 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2023-12-03 01:32:49,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:49,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:32:49,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:32:49,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:32:49,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:32:49,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:32:49,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:32:49,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:32:49,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:49" (1/1) ... [2023-12-03 01:32:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:49,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:32:50,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:32:50,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:32:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 01:32:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 01:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:32:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:32:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:32:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:32:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:32:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:32:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:32:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:32:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:32:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:32:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:32:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:32:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:32:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:32:50,048 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:32:50,219 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:32:50,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:32:50,758 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:32:51,082 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:32:51,124 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:32:51,129 INFO L158 Benchmark]: Toolchain (without parser) took 1634.21ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 76.6MB in the end (delta: 7.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-12-03 01:32:51,129 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:32:51,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.22ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 66.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:32:51,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.06ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:32:51,131 INFO L158 Benchmark]: Boogie Preprocessor took 46.02ms. Allocated memory is still 107.0MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:32:51,132 INFO L158 Benchmark]: RCFGBuilder took 1150.33ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 76.6MB in the end (delta: -15.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 01:32:51,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.22ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 66.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.06ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.02ms. Allocated memory is still 107.0MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.33ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 76.6MB in the end (delta: -15.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:32:51,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6beede0b-8db7-48b6-891d-f130d65251aa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?