./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:12,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:13,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:13,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:13,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:13,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:13,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:13,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:13,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:13,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:13,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:13,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:13,111 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:13,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:13,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:13,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:13,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:13,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:13,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:13,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:13,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:13,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:13,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:13,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:13,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:13,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:13,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:13,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:13,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:13,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:13,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:13,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:13,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:13,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:13,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:13,125 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_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-19 02:55:13,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:13,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:13,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:13,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:13,497 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:13,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 02:55:16,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:17,181 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:17,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 02:55:17,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/04998fb1d/e286866965d2410392222f4083fc72ac/FLAG0e7276b6a [2023-11-19 02:55:17,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/04998fb1d/e286866965d2410392222f4083fc72ac [2023-11-19 02:55:17,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:17,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:17,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:17,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:17,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:17,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0b180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17, skipping insertion in model container [2023-11-19 02:55:17,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:17,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:17,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:17,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:17,626 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:17,627 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:17,637 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:17,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17 WrapperNode [2023-11-19 02:55:17,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:17,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:17,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:17,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:17,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,693 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2023-11-19 02:55:17,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:17,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:17,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:17,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:17,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:17,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:17,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:17,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:17,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:17" (1/1) ... [2023-11-19 02:55:17,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:17,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:17,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:17,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:55:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:55:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:55:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:55:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:17,850 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:55:18,007 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:18,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:18,499 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:18,891 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:18,891 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:55:18,894 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~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:55:18,900 INFO L158 Benchmark]: Toolchain (without parser) took 1676.00ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 108.6MB in the beginning and 142.1MB in the end (delta: -33.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 02:55:18,901 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:18,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.06ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 96.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:18,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.06ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:18,905 INFO L158 Benchmark]: Boogie Preprocessor took 49.83ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:18,907 INFO L158 Benchmark]: RCFGBuilder took 1152.65ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 142.1MB in the end (delta: -49.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-19 02:55:18,918 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 155.2MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.06ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 96.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.06ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.83ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1152.65ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 142.1MB in the end (delta: -49.8MB). Peak memory consumption was 33.5MB. 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~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). 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~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:55:18,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:21,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:21,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:55:22,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:22,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:22,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:22,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:22,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:22,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:22,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:22,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:22,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:22,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:22,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:22,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:22,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:22,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:22,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:22,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:22,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:22,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:22,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:22,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:22,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:22,039 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:22,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:22,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:22,040 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:22,040 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:22,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:22,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:22,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:22,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:22,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:22,043 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:22,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:22,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:22,044 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:22,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:22,045 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_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-19 02:55:22,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:22,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:22,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:22,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:22,532 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:22,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 02:55:25,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:26,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:26,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 02:55:26,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/dd31458cf/84022e701f2a4a45876c7839e46dbb34/FLAG0f8f6da28 [2023-11-19 02:55:26,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/data/dd31458cf/84022e701f2a4a45876c7839e46dbb34 [2023-11-19 02:55:26,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:26,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:26,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:26,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:26,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:26,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed2ca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26, skipping insertion in model container [2023-11-19 02:55:26,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:26,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:26,514 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:55:26,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:26,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:26,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:26,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:26,670 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:26,671 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:26,679 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:26,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26 WrapperNode [2023-11-19 02:55:26,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:26,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:26,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:26,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:26,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,748 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-19 02:55:26,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:26,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:26,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:26,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:26,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:26,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:26,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:26,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:26,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:26,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:26,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:26,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:55:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:55:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:55:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:55:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:55:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:55:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:55:26,879 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:55:27,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:27,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:27,609 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:27,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:27,926 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:55:27,929 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~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:55:27,933 INFO L158 Benchmark]: Toolchain (without parser) took 1683.23ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 43.0MB in the beginning and 47.0MB in the end (delta: -4.0MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:27,934 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 59.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:27,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.53ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 42.7MB in the beginning and 77.3MB in the end (delta: -34.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 02:55:27,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.76ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:27,937 INFO L158 Benchmark]: Boogie Preprocessor took 42.03ms. Allocated memory is still 100.7MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:27,937 INFO L158 Benchmark]: RCFGBuilder took 1139.47ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 47.0MB in the end (delta: 26.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:27,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 59.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.53ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 42.7MB in the beginning and 77.3MB in the end (delta: -34.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.76ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.03ms. Allocated memory is still 100.7MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1139.47ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 47.0MB in the end (delta: 26.1MB). Peak memory consumption was 34.1MB. 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~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:55:27,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a63e61-8b06-4db9-8433-0f1734a0e14d/bin/ukojak-verify-G8NBE6pJGL/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~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?