./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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 47d811dedd166243d18e0dd1600dbdc22509d3e45a6282042d09f76ff5301e3f --- 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 22:03:09,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:09,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:09,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:09,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:09,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:09,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:09,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:09,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:09,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:09,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:09,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:09,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:09,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:09,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:09,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:09,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:09,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:09,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:09,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:09,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:09,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:09,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:09,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:09,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:09,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:09,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:09,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:09,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:09,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:09,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:09,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:09,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:09,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:09,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:09,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:09,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:09,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:09,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:09,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:09,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:09,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:03:09,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:09,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:09,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:09,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:09,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:09,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:09,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:09,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:03:09,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:09,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:03:09,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:03:09,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:09,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:09,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:09,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:09,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:09,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:09,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:09,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:09,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:09,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:09,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:09,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:03:09,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:03:09,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:09,235 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d811dedd166243d18e0dd1600dbdc22509d3e45a6282042d09f76ff5301e3f [2022-11-21 22:03:09,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:09,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:09,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:09,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:09,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:09,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-11-21 22:03:12,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:12,957 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:12,962 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-11-21 22:03:12,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/0e2872df4/53b6922b57fd4b5eba2176f18c202ea7/FLAG079b2f1e3 [2022-11-21 22:03:12,990 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/0e2872df4/53b6922b57fd4b5eba2176f18c202ea7 [2022-11-21 22:03:12,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:12,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:12,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:12,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:12,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:13,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:12" (1/1) ... [2022-11-21 22:03:13,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8253fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13, skipping insertion in model container [2022-11-21 22:03:13,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:12" (1/1) ... [2022-11-21 22:03:13,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:13,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:13,424 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-11-21 22:03:13,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:13,466 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:13,524 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-11-21 22:03:13,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:13,571 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:13,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13 WrapperNode [2022-11-21 22:03:13,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:13,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:13,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:13,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:13,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,614 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 22:03:13,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:13,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:13,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:13,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:13,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:13,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:13,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:13,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:13,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:13" (1/1) ... [2022-11-21 22:03:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:13,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:13,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:13,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:03:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:03:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:03:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:03:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:03:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:03:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:03:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:03:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:13,745 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 22:03:13,876 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:13,878 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:14,131 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:14,163 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:14,164 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:03:14,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:14 BoogieIcfgContainer [2022-11-21 22:03:14,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:03:14,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:03:14,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:03:14,195 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:03:14,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:14" (1/1) ... [2022-11-21 22:03:14,196 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 22:03:14,210 INFO L158 Benchmark]: Toolchain (without parser) took 1215.23ms. Allocated memory is still 157.3MB. Free memory was 112.3MB in the beginning and 72.0MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 22:03:14,211 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:14,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.73ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 92.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:03:14,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 157.3MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:14,214 INFO L158 Benchmark]: Boogie Preprocessor took 40.92ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 89.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:14,216 INFO L158 Benchmark]: RCFGBuilder took 511.66ms. Allocated memory is still 157.3MB. Free memory was 89.2MB in the beginning and 73.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:03:14,217 INFO L158 Benchmark]: CodeCheck took 39.10ms. Allocated memory is still 157.3MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:14,228 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 0.29ms. Allocated memory is still 100.7MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.73ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 92.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 157.3MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.92ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 89.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.66ms. Allocated memory is still 157.3MB. Free memory was 89.2MB in the beginning and 73.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 39.10ms. Allocated memory is still 157.3MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 1.0MB). 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 22:03:14,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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 47d811dedd166243d18e0dd1600dbdc22509d3e45a6282042d09f76ff5301e3f --- 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 22:03:16,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:16,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:16,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:16,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:16,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:16,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:16,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:16,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:16,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:16,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:16,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:16,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:16,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:16,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:16,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:16,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:16,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:16,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:16,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:16,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:16,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:16,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:16,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:16,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:16,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:16,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:16,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:16,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:16,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:16,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:16,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:16,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:16,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:16,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:16,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:16,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:16,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:16,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:16,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:16,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:16,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:03:16,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:16,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:16,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:16,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:16,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:16,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:16,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:16,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:03:16,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:16,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:03:16,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:16,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:16,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:16,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:16,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:03:16,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:03:16,914 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:16,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:03:16,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:03:16,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:16,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:16,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:16,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:16,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:16,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:16,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:16,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:16,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:16,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:16,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:03:16,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:03:16,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:16,918 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:03:16,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:03:16,919 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d811dedd166243d18e0dd1600dbdc22509d3e45a6282042d09f76ff5301e3f [2022-11-21 22:03:17,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:17,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:17,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:17,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:17,351 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:17,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-11-21 22:03:20,326 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:20,714 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:20,715 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-11-21 22:03:20,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/d3be17b4c/3d2a266659134562922c61f19dec783b/FLAG1222b63ed [2022-11-21 22:03:20,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/data/d3be17b4c/3d2a266659134562922c61f19dec783b [2022-11-21 22:03:20,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:20,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:20,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:20,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:20,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:20,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:20" (1/1) ... [2022-11-21 22:03:20,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13480588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:20, skipping insertion in model container [2022-11-21 22:03:20,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:20" (1/1) ... [2022-11-21 22:03:20,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:20,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:21,222 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-11-21 22:03:21,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:21,259 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:21,311 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_0ca26563-013f-4fcb-8081-4b9a548aa4ec/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-11-21 22:03:21,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:21,397 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:21,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21 WrapperNode [2022-11-21 22:03:21,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:21,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:21,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:21,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:21,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,462 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 22:03:21,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:21,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:21,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:21,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:21,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:21,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:21,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:21,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:21,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:21" (1/1) ... [2022-11-21 22:03:21,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:21,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:21,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:03:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:03:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:03:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:03:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:03:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:03:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:21,640 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 22:03:21,784 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:21,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:22,210 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:22,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:22,256 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:03:22,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:22 BoogieIcfgContainer [2022-11-21 22:03:22,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:03:22,260 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:03:22,260 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:03:22,281 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:03:22,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:22" (1/1) ... [2022-11-21 22:03:22,282 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 22:03:22,287 INFO L158 Benchmark]: Toolchain (without parser) took 1523.19ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.2MB in the beginning and 58.6MB in the end (delta: -9.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,287 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:22,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.06ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.09ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 44.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,289 INFO L158 Benchmark]: Boogie Preprocessor took 65.05ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 42.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,290 INFO L158 Benchmark]: RCFGBuilder took 729.96ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 42.6MB in the beginning and 59.6MB in the end (delta: -17.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,291 INFO L158 Benchmark]: CodeCheck took 24.58ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 990.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:22,294 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 0.31ms. Allocated memory is still 73.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.06ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.09ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 44.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.05ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 42.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.96ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 42.6MB in the beginning and 59.6MB in the end (delta: -17.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * CodeCheck took 24.58ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 990.0kB). 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 22:03:22,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca26563-013f-4fcb-8081-4b9a548aa4ec/bin/ukojak-jW3SillKbg/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: Concurrent programs are currently unsupported