./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4 --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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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-2329fc7 [2022-12-15 01:37:48,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:37:48,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:37:48,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:37:48,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:37:48,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:37:48,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:37:48,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:37:48,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:37:48,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:37:48,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:37:48,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:37:48,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:37:48,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:37:48,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:37:48,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:37:48,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:37:48,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:37:48,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:37:48,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:37:48,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:37:48,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:37:48,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:37:48,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:37:48,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:37:48,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:37:48,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:37:48,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:37:48,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:37:48,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:37:48,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:37:48,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:37:48,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:37:48,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:37:48,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:37:48,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:37:48,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:37:48,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:37:48,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:37:48,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:37:48,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:37:48,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:37:48,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:37:48,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:37:48,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:37:48,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:37:48,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:37:48,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:37:48,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:37:48,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:37:48,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:37:48,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:37:48,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:37:48,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:48,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:37:48,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:37:48,131 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-12-15 01:37:48,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:37:48,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:37:48,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:37:48,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:37:48,332 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:37:48,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 01:37:51,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:37:51,191 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:37:51,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 01:37:51,200 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/a1cbb6327/d7f732c625604b449c3a92d38186f1b9/FLAG327f43881 [2022-12-15 01:37:51,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/a1cbb6327/d7f732c625604b449c3a92d38186f1b9 [2022-12-15 01:37:51,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:37:51,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:37:51,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:51,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:37:51,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:37:51,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376d5da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51, skipping insertion in model container [2022-12-15 01:37:51,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:37:51,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:37:51,451 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 01:37:51,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:51,465 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:37:51,491 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 01:37:51,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:51,513 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:37:51,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51 WrapperNode [2022-12-15 01:37:51,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:51,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:51,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:37:51,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:37:51,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,543 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-15 01:37:51,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:51,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:37:51,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:37:51,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:37:51,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:37:51,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:37:51,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:37:51,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:37:51,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:51" (1/1) ... [2022-12-15 01:37:51,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:51,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:37:51,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:37:51,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:37:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:37:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 01:37:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 01:37:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:37:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 01:37:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 01:37:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:37:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:37:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:37:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:37:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:37:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 01:37:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 01:37:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:37:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 01:37:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 01:37:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:37:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:37:51,622 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:37:51,722 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:37:51,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:37:51,935 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:37:52,005 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:37:52,005 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:37:52,006 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 01:37:52,007 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 01:37:52,011 INFO L158 Benchmark]: Toolchain (without parser) took 796.33ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 99.8MB in the end (delta: -5.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-12-15 01:37:52,011 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:52,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.56ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 74.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:37:52,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.07ms. Allocated memory is still 132.1MB. Free memory was 74.7MB in the beginning and 72.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:52,013 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:52,014 INFO L158 Benchmark]: RCFGBuilder took 446.21ms. Allocated memory is still 132.1MB. Free memory was 70.9MB in the beginning and 99.8MB in the end (delta: -28.9MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-12-15 01:37:52,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.56ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 74.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.07ms. Allocated memory is still 132.1MB. Free memory was 74.7MB in the beginning and 72.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.21ms. Allocated memory is still 132.1MB. Free memory was 70.9MB in the beginning and 99.8MB in the end (delta: -28.9MB). Peak memory consumption was 27.2MB. 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. [2022-12-15 01:37:52,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4 --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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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-2329fc7 [2022-12-15 01:37:53,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:37:53,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:37:53,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:37:53,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:37:53,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:37:53,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:37:53,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:37:53,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:37:53,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:37:53,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:37:53,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:37:53,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:37:53,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:37:53,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:37:53,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:37:53,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:37:53,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:37:53,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:37:53,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:37:53,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:37:53,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:37:53,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:37:53,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:37:53,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:37:53,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:37:53,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:37:53,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:37:53,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:37:53,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:37:53,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:37:53,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:37:53,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:37:53,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:37:53,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:37:53,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:37:53,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:37:53,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:37:53,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:37:53,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:37:53,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:37:53,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 01:37:53,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:37:53,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:37:53,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:37:53,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:37:53,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:37:53,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:37:53,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:37:53,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:37:53,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:37:53,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:37:53,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:37:53,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:37:53,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:37:53,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:37:53,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:37:53,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:37:53,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:37:53,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:37:53,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:37:53,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:37:53,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:53,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:37:53,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:37:53,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:37:53,643 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:37:53,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:37:53,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:37:53,644 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:37:53,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:37:53,644 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-12-15 01:37:53,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:37:53,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:37:53,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:37:53,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:37:53,904 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:37:53,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 01:37:56,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:37:56,704 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:37:56,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 01:37:56,712 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/cdcbb1404/f27e1513f95248b5beae588caebd945e/FLAG4b82e4f63 [2022-12-15 01:37:56,723 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/data/cdcbb1404/f27e1513f95248b5beae588caebd945e [2022-12-15 01:37:56,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:37:56,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:37:56,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:56,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:37:56,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:37:56,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:56" (1/1) ... [2022-12-15 01:37:56,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615574c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:56, skipping insertion in model container [2022-12-15 01:37:56,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:56" (1/1) ... [2022-12-15 01:37:56,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:37:56,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:37:57,032 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 01:37:57,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:57,055 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:37:57,093 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_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 01:37:57,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:57,127 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:37:57,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57 WrapperNode [2022-12-15 01:37:57,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:57,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:57,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:37:57,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:37:57,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,168 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-12-15 01:37:57,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:57,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:37:57,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:37:57,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:37:57,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:37:57,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:37:57,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:37:57,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:37:57,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:57" (1/1) ... [2022-12-15 01:37:57,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:57,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:37:57,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:37:57,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:37:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 01:37:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 01:37:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 01:37:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 01:37:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:37:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 01:37:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 01:37:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 01:37:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:37:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:37:57,266 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:37:57,372 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:37:57,373 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:37:57,591 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:37:57,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:37:57,630 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:37:57,630 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 01:37:57,631 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 01:37:57,634 INFO L158 Benchmark]: Toolchain (without parser) took 907.45ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 37.7MB in the end (delta: -5.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-12-15 01:37:57,634 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:57,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.53ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 44.6MB in the end (delta: -12.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-12-15 01:37:57,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:57,635 INFO L158 Benchmark]: Boogie Preprocessor took 32.25ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:57,636 INFO L158 Benchmark]: RCFGBuilder took 431.19ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 37.7MB in the end (delta: 2.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-12-15 01:37:57,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.53ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 44.6MB in the end (delta: -12.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.19ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.25ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.19ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 37.7MB in the end (delta: 2.3MB). Peak memory consumption was 3.8MB. 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. [2022-12-15 01:37:57,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3198a9a-4256-463e-8b12-e7eb7c9bea3a/bin/ukojak-rkRKPMF4O4/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?