./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg --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 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 --- 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-b5237d8 [2022-11-21 23:37:28,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:37:28,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:37:28,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:37:28,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:37:28,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:37:28,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:37:28,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:37:28,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:37:28,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:37:28,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:37:28,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:37:28,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:37:28,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:37:28,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:37:28,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:37:28,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:37:28,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:37:28,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:37:28,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:37:28,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:37:28,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:37:28,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:37:28,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:37:28,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:37:28,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:37:28,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:37:28,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:37:28,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:37:28,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:37:28,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:37:28,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:37:28,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:37:28,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:37:28,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:37:28,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:37:28,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:37:28,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:37:28,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:37:28,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:37:28,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:37:28,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:37:28,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:37:28,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:37:28,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:37:28,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:37:28,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:37:28,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:37:28,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:37:28,260 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:37:28,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:37:28,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:37:28,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:37:28,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:37:28,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:37:28,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:37:28,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:37:28,264 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:37:28,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:37:28,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:37:28,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:37:28,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:37:28,265 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:37:28,265 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:37:28,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:37:28,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:37:28,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:37:28,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:37:28,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:37:28,266 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:37:28,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:37:28,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:37:28,267 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 [2022-11-21 23:37:28,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:37:28,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:37:28,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:37:28,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:37:28,644 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:37:28,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-21 23:37:31,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:37:32,044 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:37:32,046 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-21 23:37:32,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/0f4ea00ae/3d7bb6e2cd9d4387a31338d4edd3ac40/FLAG7d3d66a8e [2022-11-21 23:37:32,080 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/0f4ea00ae/3d7bb6e2cd9d4387a31338d4edd3ac40 [2022-11-21 23:37:32,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:37:32,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:37:32,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:37:32,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:37:32,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:37:32,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184247cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32, skipping insertion in model container [2022-11-21 23:37:32,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:37:32,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:37:32,528 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-21 23:37:32,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:37:32,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:37:32,621 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-21 23:37:32,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:37:32,658 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:37:32,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32 WrapperNode [2022-11-21 23:37:32,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:37:32,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:37:32,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:37:32,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:37:32,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,733 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 23:37:32,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:37:32,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:37:32,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:37:32,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:37:32,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:37:32,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:37:32,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:37:32,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:37:32,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:32" (1/1) ... [2022-11-21 23:37:32,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:37:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:37:32,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:37:32,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:37:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 23:37:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 23:37:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 23:37:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 23:37:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:37:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:37:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:37:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:37:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:37:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:37:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:37:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:37:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:37:32,872 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:37:33,064 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:37:33,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:37:33,327 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:37:33,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:37:33,358 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:37:33,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:37:33 BoogieIcfgContainer [2022-11-21 23:37:33,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:37:33,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:37:33,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:37:33,373 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:37:33,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:37:33" (1/1) ... [2022-11-21 23:37:33,374 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-11-21 23:37:33,378 INFO L158 Benchmark]: Toolchain (without parser) took 1293.40ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 93.9MB in the end (delta: 26.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-21 23:37:33,378 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:37:33,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.33ms. Allocated memory is still 159.4MB. Free memory was 120.6MB in the beginning and 116.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:37:33,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.16ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:37:33,380 INFO L158 Benchmark]: Boogie Preprocessor took 41.43ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:37:33,381 INFO L158 Benchmark]: RCFGBuilder took 584.66ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 95.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:37:33,382 INFO L158 Benchmark]: CodeCheck took 14.56ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 782.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:37:33,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.33ms. Allocated memory is still 159.4MB. Free memory was 120.6MB in the beginning and 116.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.16ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.43ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.66ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 95.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.56ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 782.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:37:33,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg --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 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 --- 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-b5237d8 [2022-11-21 23:37:35,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:37:35,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:37:35,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:37:35,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:37:35,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:37:35,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:37:35,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:37:35,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:37:35,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:37:35,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:37:35,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:37:35,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:37:35,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:37:35,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:37:35,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:37:35,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:37:35,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:37:35,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:37:35,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:37:35,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:37:35,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:37:35,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:37:35,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:37:35,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:37:35,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:37:35,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:37:35,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:37:35,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:37:35,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:37:35,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:37:35,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:37:35,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:37:35,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:37:35,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:37:35,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:37:36,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:37:36,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:37:36,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:37:36,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:37:36,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:37:36,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:37:36,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:37:36,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:37:36,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:37:36,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:37:36,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:37:36,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:37:36,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:37:36,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:37:36,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:37:36,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:37:36,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:37:36,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:37:36,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:37:36,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:37:36,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:37:36,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:37:36,074 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:37:36,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:37:36,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:37:36,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:37:36,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:37:36,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:37:36,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:37:36,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:37:36,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:37:36,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:37:36,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:37:36,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:37:36,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:37:36,078 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:37:36,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:37:36,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:37:36,079 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:37:36,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:37:36,079 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 [2022-11-21 23:37:36,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:37:36,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:37:36,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:37:36,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:37:36,548 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:37:36,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-21 23:37:39,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:37:40,218 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:37:40,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-21 23:37:40,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/dceef086d/6e1060a8844948ae9bf6423f6f4b4739/FLAG73362d92f [2022-11-21 23:37:40,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/data/dceef086d/6e1060a8844948ae9bf6423f6f4b4739 [2022-11-21 23:37:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:37:40,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:37:40,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:37:40,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:37:40,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:37:40,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41445903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40, skipping insertion in model container [2022-11-21 23:37:40,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:37:40,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:37:40,742 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-21 23:37:40,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:37:40,785 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:37:40,818 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_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-21 23:37:40,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:37:40,864 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:37:40,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40 WrapperNode [2022-11-21 23:37:40,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:37:40,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:37:40,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:37:40,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:37:40,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,915 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 23:37:40,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:37:40,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:37:40,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:37:40,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:37:40,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:37:40,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:37:40,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:37:40,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:37:40,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:37:40" (1/1) ... [2022-11-21 23:37:40,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:37:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:37:40,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:37:41,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:37:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 23:37:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 23:37:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 23:37:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 23:37:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:37:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:37:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:37:41,056 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:37:41,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:37:41,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:37:41,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:37:41,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:37:41,586 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:37:41,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:37:41 BoogieIcfgContainer [2022-11-21 23:37:41,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:37:41,589 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:37:41,589 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:37:41,604 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:37:41,604 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:37:41" (1/1) ... [2022-11-21 23:37:41,604 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-11-21 23:37:41,608 INFO L158 Benchmark]: Toolchain (without parser) took 1340.69ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 48.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,609 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:37:41,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.42ms. Allocated memory is still 86.0MB. Free memory was 65.7MB in the beginning and 45.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.61ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,610 INFO L158 Benchmark]: Boogie Preprocessor took 31.24ms. Allocated memory is still 86.0MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,611 INFO L158 Benchmark]: RCFGBuilder took 637.63ms. Allocated memory is still 86.0MB. Free memory was 41.4MB in the beginning and 49.0MB in the end (delta: -7.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,612 INFO L158 Benchmark]: CodeCheck took 17.89ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 905.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:37:41,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.42ms. Allocated memory is still 86.0MB. Free memory was 65.7MB in the beginning and 45.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.61ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.24ms. Allocated memory is still 86.0MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.63ms. Allocated memory is still 86.0MB. Free memory was 41.4MB in the beginning and 49.0MB in the end (delta: -7.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * CodeCheck took 17.89ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 905.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:37:41,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd65b516-95ef-46df-ae3e-a9e8b9deaf57/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported