./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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_a20de308-48b4-461a-8e59-7cb85a6353c8/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:43:27,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:43:28,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 02:43:28,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:43:28,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:43:28,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:43:28,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:43:28,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:43:28,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:43:28,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:43:28,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:43:28,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:43:28,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:43:28,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:43:28,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:43:28,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:43:28,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:43:28,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:43:28,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:43:28,119 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:43:28,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:43:28,120 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:43:28,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:43:28,121 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:43:28,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:43:28,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:43:28,123 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:43:28,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:43:28,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:28,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:43:28,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:43:28,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:43:28,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:43:28,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:43:28,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:43:28,126 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_a20de308-48b4-461a-8e59-7cb85a6353c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-12-03 02:43:28,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:43:28,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:43:28,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:43:28,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:43:28,388 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:43:28,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 02:43:31,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:43:31,307 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:43:31,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 02:43:31,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/00ffcce6c/3a88d11075894b5db5cb0ac98cd7ff3c/FLAG23e81727b [2023-12-03 02:43:31,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/00ffcce6c/3a88d11075894b5db5cb0ac98cd7ff3c [2023-12-03 02:43:31,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:43:31,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:43:31,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:31,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:43:31,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:43:31,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ad5bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31, skipping insertion in model container [2023-12-03 02:43:31,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:31,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:31,562 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:43:31,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:31,598 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:43:31,598 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:43:31,604 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:43:31,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31 WrapperNode [2023-12-03 02:43:31,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:31,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:31,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:43:31,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:43:31,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,643 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-12-03 02:43:31,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:31,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:43:31,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:43:31,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:43:31,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:43:31,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:43:31,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:43:31,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:43:31,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:31" (1/1) ... [2023-12-03 02:43:31,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:31,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:43:31,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:43:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:43:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:43:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:43:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:43:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 02:43:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 02:43:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:43:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:43:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:43:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:43:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:43:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:43:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:43:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:43:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:43:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:43:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:43:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:43:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:43:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:43:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:43:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:43:31,753 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 02:43:31,867 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:43:31,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:43:32,160 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:43:32,275 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 02:43:32,302 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:43:32,307 INFO L158 Benchmark]: Toolchain (without parser) took 977.72ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 86.9MB in the end (delta: 38.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-12-03 02:43:32,308 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:32,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.02ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 127.0MB in the end (delta: -1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:43:32,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 125.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:32,310 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 123.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:32,310 INFO L158 Benchmark]: RCFGBuilder took 628.60ms. Allocated memory is still 163.6MB. Free memory was 123.4MB in the beginning and 86.9MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 02:43:32,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.02ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 127.0MB in the end (delta: -1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 125.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 123.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.60ms. Allocated memory is still 163.6MB. Free memory was 123.4MB in the beginning and 86.9MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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 02:43:32,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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_a20de308-48b4-461a-8e59-7cb85a6353c8/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:43:34,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:43:34,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 02:43:34,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:43:34,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:43:34,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:43:34,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:43:34,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:43:34,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:43:34,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:43:34,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:43:34,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:43:34,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:43:34,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:43:34,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:43:34,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:43:34,382 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:43:34,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:43:34,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:43:34,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:43:34,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:43:34,385 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:43:34,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:43:34,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:43:34,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:43:34,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:43:34,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:43:34,387 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:34,388 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:43:34,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:43:34,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:34,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:43:34,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:43:34,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:43:34,391 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:43:34,391 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:34,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:43:34,391 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:43:34,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:43:34,392 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_a20de308-48b4-461a-8e59-7cb85a6353c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-12-03 02:43:34,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:43:34,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:43:34,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:43:34,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:43:34,729 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:43:34,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 02:43:37,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:43:37,695 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:43:37,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 02:43:37,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/8036f7be9/c432d89331a84244a4af1766860211e5/FLAG64f0f333b [2023-12-03 02:43:37,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/data/8036f7be9/c432d89331a84244a4af1766860211e5 [2023-12-03 02:43:37,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:43:37,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:43:37,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:37,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:43:37,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:43:37,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:37" (1/1) ... [2023-12-03 02:43:37,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a779e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:37, skipping insertion in model container [2023-12-03 02:43:37,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:37" (1/1) ... [2023-12-03 02:43:37,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:37,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:37,941 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:43:37,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:37,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:37,976 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:43:38,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:38,018 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:43:38,018 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:43:38,024 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:43:38,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38 WrapperNode [2023-12-03 02:43:38,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:38,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:38,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:43:38,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:43:38,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,064 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-12-03 02:43:38,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:38,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:43:38,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:43:38,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:43:38,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:43:38,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:43:38,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:43:38,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:43:38,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:38,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:43:38,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:43:38,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 02:43:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:43:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:43:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:43:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:43:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:43:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:43:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:43:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:43:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:43:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:43:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:43:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:43:38,174 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 02:43:38,296 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:43:38,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:43:38,712 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:43:38,834 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 02:43:38,861 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:43:38,865 INFO L158 Benchmark]: Toolchain (without parser) took 1144.12ms. Allocated memory is still 123.7MB. Free memory was 100.1MB in the beginning and 71.2MB in the end (delta: 28.8MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-12-03 02:43:38,866 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:38,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.46ms. Allocated memory is still 123.7MB. Free memory was 99.7MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:43:38,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:38,868 INFO L158 Benchmark]: Boogie Preprocessor took 41.26ms. Allocated memory is still 123.7MB. Free memory was 83.2MB in the beginning and 81.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:38,869 INFO L158 Benchmark]: RCFGBuilder took 756.00ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 71.2MB in the end (delta: 10.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-12-03 02:43:38,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.46ms. Allocated memory is still 123.7MB. Free memory was 99.7MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.26ms. Allocated memory is still 123.7MB. Free memory was 83.2MB in the beginning and 81.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 756.00ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 71.2MB in the end (delta: 10.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 02:43:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20de308-48b4-461a-8e59-7cb85a6353c8/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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?