./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:39,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:39,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:12:39,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:39,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:39,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:39,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:39,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:39,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:39,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:39,926 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:39,928 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:39,928 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:39,931 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:39,932 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:39,932 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:39,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:39,938 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:39,939 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:39,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:39,940 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:39,944 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:39,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:39,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:39,946 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:39,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:39,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:39,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:39,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:39,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:39,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:39,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:12:39,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:12:39,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:39,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:39,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:39,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:39,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:39,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:39,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:39,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:39,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:39,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:39,954 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:39,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:39,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:39,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:39,955 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:39,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:39,956 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2023-11-23 21:12:40,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:40,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:40,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:40,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:40,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:40,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-23 21:12:43,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:44,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:44,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-23 21:12:44,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/data/55b8e4102/c04358f621d14dd88672f1c5e8fb1941/FLAG4493d0cc2 [2023-11-23 21:12:44,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/data/55b8e4102/c04358f621d14dd88672f1c5e8fb1941 [2023-11-23 21:12:44,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:44,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:44,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:44,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:44,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:44,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:44" (1/1) ... [2023-11-23 21:12:44,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc9ba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:44, skipping insertion in model container [2023-11-23 21:12:44,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:44" (1/1) ... [2023-11-23 21:12:44,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:45,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:45,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:45,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:45,674 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:45,674 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:45,682 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:45,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45 WrapperNode [2023-11-23 21:12:45,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:45,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:45,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:45,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:45,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,752 INFO L138 Inliner]: procedures = 483, calls = 35, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 101 [2023-11-23 21:12:45,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:45,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:45,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:45,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:45,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:45,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:45,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:45,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:45,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:45,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:45,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:12:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:12:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:12:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:12:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:12:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:45,917 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:12:46,271 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:46,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:46,568 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:46,778 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:46,779 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:12:46,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:46 BoogieIcfgContainer [2023-11-23 21:12:46,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:46,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:46,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:46,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:46,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:44" (1/3) ... [2023-11-23 21:12:46,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516fdee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:46, skipping insertion in model container [2023-11-23 21:12:46,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45" (2/3) ... [2023-11-23 21:12:46,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516fdee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:46, skipping insertion in model container [2023-11-23 21:12:46,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:46" (3/3) ... [2023-11-23 21:12:46,794 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2023-11-23 21:12:46,805 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:12:46,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:46,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:12:46,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516fdee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:46, skipping insertion in model container [2023-11-23 21:12:46,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:46,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:46,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:46,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:46,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:46" (3/3) ... [2023-11-23 21:12:46,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:12:46,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 21:12:46,841 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2023-11-23 21:12:46,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 21:12:46,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:12:46,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:12:46,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:12:46,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:12:46,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:46,979 INFO L158 Benchmark]: Toolchain (without parser) took 2795.25ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 85.7MB in the end (delta: 35.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,979 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 100.0MB in the end (delta: 132.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1498.86ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 117.2MB in the end (delta: 4.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.82ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 113.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,981 INFO L158 Benchmark]: Boogie Preprocessor took 52.28ms. Allocated memory is still 151.0MB. Free memory was 113.9MB in the beginning and 110.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,982 INFO L158 Benchmark]: RCFGBuilder took 973.55ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 94.1MB in the end (delta: 16.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,982 INFO L158 Benchmark]: TraceAbstraction took 36.03ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,983 INFO L158 Benchmark]: Witness Printer took 155.53ms. Allocated memory is still 151.0MB. Free memory was 90.9MB in the beginning and 85.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:46,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 100.0MB in the end (delta: 132.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1498.86ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 117.2MB in the end (delta: 4.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.82ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 113.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.28ms. Allocated memory is still 151.0MB. Free memory was 113.9MB in the beginning and 110.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 973.55ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 94.1MB in the end (delta: 16.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36.03ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 155.53ms. Allocated memory is still 151.0MB. Free memory was 90.9MB in the beginning and 85.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-23 21:12:47,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a3d678-95a3-4461-ad77-e47c593264e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE