./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:53:48,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:53:48,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:53:48,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:53:48,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:53:48,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:53:48,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:53:48,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:53:48,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:53:48,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:53:48,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:53:48,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:53:48,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:53:48,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:53:48,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:53:48,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:53:48,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:53:48,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:53:48,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:53:48,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:53:48,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:53:48,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:53:48,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:53:48,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:53:48,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:53:48,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:53:48,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:53:48,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:53:48,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:53:48,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:53:48,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:53:48,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:53:48,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:53:48,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:53:48,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:53:48,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:53:48,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:53:48,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:53:48,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:53:48,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:53:48,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:53:48,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:53:48,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:53:48,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:53:48,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:53:48,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:53:48,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:53:48,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:53:48,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:53:48,832 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:53:48,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:53:48,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:53:48,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:53:48,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:53:48,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:53:48,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:53:48,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:53:48,835 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:53:48,835 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:53:48,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:53:48,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:53:48,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:53:48,836 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:53:48,836 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:53:48,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:53:48,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:53:48,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:53:48,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:53:48,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:53:48,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:53:48,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:53:48,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:53:48,839 INFO L138 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_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d [2022-11-20 16:53:49,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:53:49,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:53:49,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:53:49,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:53:49,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:53:49,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-20 16:53:52,397 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:53:52,725 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:53:52,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-20 16:53:52,736 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/7fb28c357/bf2991ff053642b9a5f124cb29f7d045/FLAG6931c03ad [2022-11-20 16:53:52,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/7fb28c357/bf2991ff053642b9a5f124cb29f7d045 [2022-11-20 16:53:52,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:53:52,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:53:52,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:53:52,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:53:52,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:53:52,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:52" (1/1) ... [2022-11-20 16:53:52,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37746c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:52, skipping insertion in model container [2022-11-20 16:53:52,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:52" (1/1) ... [2022-11-20 16:53:52,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:53:52,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:53:53,095 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-20 16:53:53,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:53:53,117 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:53:53,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-20 16:53:53,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:53:53,203 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:53:53,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53 WrapperNode [2022-11-20 16:53:53,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:53:53,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:53:53,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:53:53,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:53:53,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,275 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 135 [2022-11-20 16:53:53,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:53:53,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:53:53,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:53:53,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:53:53,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:53:53,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:53:53,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:53:53,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:53:53,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:53" (1/1) ... [2022-11-20 16:53:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:53:53,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:53:53,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:53:53,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:53:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:53:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:53:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:53:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 16:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 16:53:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:53:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:53:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:53:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:53:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:53:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:53:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:53:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:53:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:53:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:53:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:53:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:53:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:53:53,412 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:53:53,601 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:53:53,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:53:54,218 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:53:54,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:53:54,539 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 16:53:54,540 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L72 is neither atomic block end nor a sink node. [2022-11-20 16:53:54,541 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 16:53:54,545 INFO L158 Benchmark]: Toolchain (without parser) took 1789.43ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 107.6MB in the end (delta: 4.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2022-11-20 16:53:54,546 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:53:54,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.22ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 98.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:53:54,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.31ms. Allocated memory is still 144.7MB. Free memory was 98.5MB in the beginning and 96.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:53:54,548 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:53:54,549 INFO L158 Benchmark]: RCFGBuilder took 1218.24ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 94.4MB in the beginning and 107.6MB in the end (delta: -13.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-20 16:53:54,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.22ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 98.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.31ms. Allocated memory is still 144.7MB. Free memory was 98.5MB in the beginning and 96.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1218.24ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 94.4MB in the beginning and 107.6MB in the end (delta: -13.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:53:54,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:53:57,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:53:57,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:53:57,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:53:57,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:53:57,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:53:57,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:53:57,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:53:57,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:53:57,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:53:57,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:53:57,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:53:57,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:53:57,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:53:57,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:53:57,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:53:57,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:53:57,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:53:57,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:53:57,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:53:57,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:53:57,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:53:57,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:53:57,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:53:57,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:53:57,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:53:57,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:53:57,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:53:57,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:53:57,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:53:57,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:53:57,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:53:57,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:53:57,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:53:57,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:53:57,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:53:57,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:53:57,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:53:57,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:53:57,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:53:57,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:53:57,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:53:57,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:53:57,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:53:57,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:53:57,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:53:57,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:53:57,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:53:57,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:53:57,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:53:57,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:53:57,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:53:57,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:53:57,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:53:57,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:53:57,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:53:57,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:53:57,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:53:57,311 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:53:57,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:53:57,311 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:53:57,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:53:57,312 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:53:57,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:53:57,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:53:57,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:53:57,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:53:57,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:53:57,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:53:57,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:53:57,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:53:57,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:53:57,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:53:57,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:53:57,315 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:53:57,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:53:57,315 INFO L138 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_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d [2022-11-20 16:53:57,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:53:57,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:53:57,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:53:57,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:53:57,734 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:53:57,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-20 16:54:00,838 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:01,070 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:01,078 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-20 16:54:01,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/6f801c130/ba5d39fe4ad3464387ae1b7a743beb87/FLAGb323ffdf4 [2022-11-20 16:54:01,418 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/data/6f801c130/ba5d39fe4ad3464387ae1b7a743beb87 [2022-11-20 16:54:01,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:01,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:01,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:01,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:01,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:01,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:01,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e049ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01, skipping insertion in model container [2022-11-20 16:54:01,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:01,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:01,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:01,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-20 16:54:01,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:01,809 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 16:54:01,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:01,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-20 16:54:01,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:01,897 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:01,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-20 16:54:01,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:01,972 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:01,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01 WrapperNode [2022-11-20 16:54:01,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:01,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:01,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:01,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:01,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,040 INFO L138 Inliner]: procedures = 28, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2022-11-20 16:54:02,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:02,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:02,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:02,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:02,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:02,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:02,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:02,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:02,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:01" (1/1) ... [2022-11-20 16:54:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:02,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:02,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:02,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:54:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 16:54:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 16:54:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:54:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:54:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:54:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:54:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:54:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:54:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:54:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:54:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:54:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:54:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:54:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:54:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:54:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:54:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:54:02,237 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:54:02,459 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:02,461 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:03,192 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:03,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:03,668 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 16:54:03,669 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L72 is neither atomic block end nor a sink node. [2022-11-20 16:54:03,670 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 16:54:03,676 INFO L158 Benchmark]: Toolchain (without parser) took 2252.73ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 26.4MB in the beginning and 49.5MB in the end (delta: -23.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,677 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:03,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.56ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 41.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.88ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:03,679 INFO L158 Benchmark]: Boogie Preprocessor took 87.31ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 56.7MB in the end (delta: -16.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,680 INFO L158 Benchmark]: RCFGBuilder took 1544.52ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 56.7MB in the beginning and 49.5MB in the end (delta: 7.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.56ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 41.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.88ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.31ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 56.7MB in the end (delta: -16.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1544.52ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 56.7MB in the beginning and 49.5MB in the end (delta: 7.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:54:03,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071a14b7-1965-4960-82fb-10cf809f60c2/bin/ukojak-pZX7IvK2PQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?