./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:45,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:45,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:45,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:45,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:45,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:45,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:45,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:46,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:46,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:46,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:46,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:46,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:46,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:46,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:46,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:46,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:46,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:46,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:46,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:46,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:46,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:46,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:46,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:46,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:46,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:46,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:46,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:46,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:46,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:46,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:46,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:46,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:46,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:46,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:46,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:46,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:46,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:46,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:46,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:46,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:46,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:46,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:46,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:46,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:46,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:46,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:46,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:46,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:46,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:46,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:46,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:46,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:46,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:46,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:46,116 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:46,116 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:46,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:46,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:46,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:46,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:46,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:46,117 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:46,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:46,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:46,118 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 [2021-11-23 15:02:46,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:46,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:46,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:46,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:46,512 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:46,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/fib_safe-5.i [2021-11-23 15:02:46,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/4e0dc5f34/785732792a4740b89f271eb2bd13419f/FLAG89963f274 [2021-11-23 15:02:47,147 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:47,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i [2021-11-23 15:02:47,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/4e0dc5f34/785732792a4740b89f271eb2bd13419f/FLAG89963f274 [2021-11-23 15:02:47,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/4e0dc5f34/785732792a4740b89f271eb2bd13419f [2021-11-23 15:02:47,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:47,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:47,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:47,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:47,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:47,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:47,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119bf0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47, skipping insertion in model container [2021-11-23 15:02:47,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:47,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:47,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:47,904 WARN L230 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2021-11-23 15:02:47,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:47,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:47,983 WARN L230 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2021-11-23 15:02:47,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:48,025 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:48,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48 WrapperNode [2021-11-23 15:02:48,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:48,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:48,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:48,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:48,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,098 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 15:02:48,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:48,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:48,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:48,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:48,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:48,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:48,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:48,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:48,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:48,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:48,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:48,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:02:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:02:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:02:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:02:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:02:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:48,212 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:02:48,319 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:48,321 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:48,539 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:48,547 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:02:48,547 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:02:48,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:48 BoogieIcfgContainer [2021-11-23 15:02:48,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:02:48,551 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:02:48,551 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:02:48,563 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:02:48,564 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:48" (1/1) ... [2021-11-23 15:02:48,564 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) [2021-11-23 15:02:48,580 INFO L158 Benchmark]: Toolchain (without parser) took 1134.32ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 55.0MB in the end (delta: 13.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,580 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:48,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.50ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 71.7MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.03ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,582 INFO L158 Benchmark]: Boogie Preprocessor took 27.03ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 68.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,583 INFO L158 Benchmark]: RCFGBuilder took 423.21ms. Allocated memory is still 107.0MB. Free memory was 68.5MB in the beginning and 56.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,584 INFO L158 Benchmark]: CodeCheck took 16.18ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 55.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:48,589 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 107.0MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.50ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 71.7MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.03ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.03ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 68.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.21ms. Allocated memory is still 107.0MB. Free memory was 68.5MB in the beginning and 56.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16.18ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 55.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:48,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:51,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:51,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:51,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:51,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:51,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:51,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:51,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:51,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:51,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:51,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:51,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:51,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:51,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:51,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:51,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:51,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:51,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:51,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:51,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:51,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:51,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:51,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:51,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:51,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:51,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:51,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:51,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:51,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:51,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:51,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:51,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:51,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:51,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:51,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:51,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:51,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:51,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:51,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:51,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:51,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:51,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:51,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:51,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:51,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:51,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:51,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:51,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:51,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:51,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:51,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:51,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:51,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:51,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:51,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:51,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:51,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:51,369 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:51,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:51,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:51,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:51,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:51,370 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:51,370 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:51,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:51,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:51,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:51,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:51,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:51,372 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:51,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:51,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:51,373 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:51,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:51,373 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 [2021-11-23 15:02:51,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:51,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:51,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:51,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:51,809 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:51,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/fib_safe-5.i [2021-11-23 15:02:51,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/8307c05e6/adfa9ce71a81446f9e6ba3571e73feb3/FLAGf33fb70e1 [2021-11-23 15:02:52,490 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:52,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i [2021-11-23 15:02:52,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/8307c05e6/adfa9ce71a81446f9e6ba3571e73feb3/FLAGf33fb70e1 [2021-11-23 15:02:52,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/data/8307c05e6/adfa9ce71a81446f9e6ba3571e73feb3 [2021-11-23 15:02:52,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:52,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:52,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:52,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:52,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:52,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3769163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52, skipping insertion in model container [2021-11-23 15:02:52,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:52,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:53,320 WARN L230 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2021-11-23 15:02:53,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:53,349 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:53,418 WARN L230 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_19a86bc8-76e7-43b9-a347-847a4ecb2742/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2021-11-23 15:02:53,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:53,478 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:53,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53 WrapperNode [2021-11-23 15:02:53,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:53,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:53,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:53,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:53,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,565 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 15:02:53,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:53,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:53,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:53,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:53,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:53,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:53,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:53,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:53,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:53,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:53,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:02:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:02:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:02:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:02:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:02:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:02:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:02:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:53,755 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:02:53,949 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:53,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:54,178 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:54,185 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:02:54,186 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:02:54,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:54 BoogieIcfgContainer [2021-11-23 15:02:54,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:02:54,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:02:54,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:02:54,199 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:02:54,199 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,200 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) [2021-11-23 15:02:54,204 INFO L158 Benchmark]: Toolchain (without parser) took 1427.03ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 36.5MB in the beginning and 59.2MB in the end (delta: -22.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,205 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:54,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.41ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 31.9MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.03ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,207 INFO L158 Benchmark]: Boogie Preprocessor took 65.48ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 28.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,208 INFO L158 Benchmark]: RCFGBuilder took 555.79ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 28.0MB in the beginning and 60.3MB in the end (delta: -32.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,209 INFO L158 Benchmark]: CodeCheck took 13.11ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 59.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,213 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 0.34ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.41ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 31.9MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.03ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.48ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 28.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.79ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 28.0MB in the beginning and 60.3MB in the end (delta: -32.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 13.11ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 59.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:54,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86bc8-76e7-43b9-a347-847a4ecb2742/bin/ukojak-CwSLpZB5Qu/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