./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:47:51,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:47:51,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:47:51,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:47:51,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:47:51,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:47:51,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:47:51,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:47:51,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:47:51,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:47:51,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:47:51,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:47:51,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:47:51,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:47:51,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:47:51,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:47:51,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:47:51,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:47:51,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:47:51,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:47:51,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:47:51,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:47:51,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:47:51,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:47:51,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:47:51,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:47:51,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:47:51,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:47:51,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:47:51,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:47:51,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:47:51,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:47:51,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:47:51,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:47:51,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:47:51,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:47:51,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:47:51,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:47:51,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:47:51,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:47:51,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:47:51,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:47:51,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:47:51,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:47:51,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:47:51,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:47:51,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:47:51,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:47:51,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:47:51,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:47:51,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:47:51,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:47:51,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:47:51,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:47:51,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:47:51,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:47:51,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:47:51,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:47:51,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:47:51,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:47:51,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:47:51,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:47:51,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:47:51,137 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:47:51,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:47:51,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:47:51,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:47:51,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:47:51,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:47:51,140 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:47:51,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:47:51,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:47:51,140 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e [2022-11-21 23:47:51,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:47:51,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:47:51,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:47:51,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:47:51,528 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:47:51,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-21 23:47:54,466 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:47:54,736 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:47:54,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-21 23:47:54,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/2f6f75745/2cfbadd7390f44a5b30855493ec33b1b/FLAG9f4fbd761 [2022-11-21 23:47:54,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/2f6f75745/2cfbadd7390f44a5b30855493ec33b1b [2022-11-21 23:47:54,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:47:54,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:47:54,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:47:54,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:47:54,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:47:54,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:47:54" (1/1) ... [2022-11-21 23:47:54,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6ab64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:54, skipping insertion in model container [2022-11-21 23:47:54,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:47:54" (1/1) ... [2022-11-21 23:47:54,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:47:54,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:47:54,968 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-21 23:47:54,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:47:54,984 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:47:55,006 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-21 23:47:55,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:47:55,025 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:47:55,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55 WrapperNode [2022-11-21 23:47:55,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:47:55,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:47:55,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:47:55,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:47:55,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,065 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-11-21 23:47:55,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:47:55,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:47:55,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:47:55,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:47:55,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,091 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:47:55,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:47:55,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:47:55,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:47:55,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:47:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:47:55,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:47:55,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:47:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-21 23:47:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-21 23:47:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:47:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:47:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:47:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:47:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:47:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:47:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:47:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:47:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:47:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:47:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:47:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:47:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:47:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:47:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:47:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:47:55,210 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:47:55,355 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:47:55,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:47:55,754 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:47:55,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:47:55,775 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:47:55,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:47:55 BoogieIcfgContainer [2022-11-21 23:47:55,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:47:55,780 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:47:55,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:47:55,794 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:47:55,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:47:55" (1/1) ... [2022-11-21 23:47:55,795 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:47:55,799 INFO L158 Benchmark]: Toolchain (without parser) took 1037.17ms. Allocated memory is still 144.7MB. Free memory was 113.0MB in the beginning and 79.2MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,800 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:47:55,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.85ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.64ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,802 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,803 INFO L158 Benchmark]: RCFGBuilder took 683.95ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 80.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,803 INFO L158 Benchmark]: CodeCheck took 17.61ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:47:55,806 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 0.35ms. Allocated memory is still 144.7MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.85ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.64ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.95ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 80.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17.61ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:47:55,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:47:58,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:47:58,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:47:58,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:47:58,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:47:58,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:47:58,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:47:58,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:47:58,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:47:58,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:47:58,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:47:58,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:47:58,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:47:58,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:47:58,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:47:58,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:47:58,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:47:58,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:47:58,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:47:58,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:47:58,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:47:58,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:47:58,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:47:58,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:47:58,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:47:58,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:47:58,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:47:58,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:47:58,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:47:58,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:47:58,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:47:58,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:47:58,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:47:58,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:47:58,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:47:58,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:47:58,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:47:58,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:47:58,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:47:58,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:47:58,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:47:58,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:47:58,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:47:58,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:47:58,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:47:58,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:47:58,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:47:58,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:47:58,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:47:58,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:47:58,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:47:58,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:47:58,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:47:58,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:47:58,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:47:58,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:47:58,559 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:47:58,559 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:47:58,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:47:58,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:47:58,560 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:47:58,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:47:58,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:47:58,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:47:58,561 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:47:58,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:47:58,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:47:58,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:47:58,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:47:58,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:47:58,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:47:58,564 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:47:58,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:47:58,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:47:58,564 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:47:58,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:47:58,565 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e [2022-11-21 23:47:58,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:47:58,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:47:58,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:47:58,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:47:58,955 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:47:58,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-21 23:48:02,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:48:02,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:48:02,391 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-21 23:48:02,401 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/106659646/2e7a2dad9afc4241bb9a28a6ba54ad4f/FLAG13101752a [2022-11-21 23:48:02,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/data/106659646/2e7a2dad9afc4241bb9a28a6ba54ad4f [2022-11-21 23:48:02,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:48:02,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:48:02,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:48:02,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:48:02,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:48:02,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e99bbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02, skipping insertion in model container [2022-11-21 23:48:02,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:48:02,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:48:02,724 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-21 23:48:02,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:48:02,759 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:48:02,804 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_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-21 23:48:02,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:48:02,831 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:48:02,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02 WrapperNode [2022-11-21 23:48:02,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:48:02,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:48:02,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:48:02,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:48:02,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,893 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-11-21 23:48:02,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:48:02,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:48:02,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:48:02,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:48:02,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:48:02,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:48:02,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:48:02,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:48:02,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:48:02" (1/1) ... [2022-11-21 23:48:02,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:48:02,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:48:03,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:48:03,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:48:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-21 23:48:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-21 23:48:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:48:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:48:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:48:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:48:03,083 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:48:03,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:48:03,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:48:03,675 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:48:03,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:48:03,684 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:48:03,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:48:03 BoogieIcfgContainer [2022-11-21 23:48:03,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:48:03,687 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:48:03,688 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:48:03,697 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:48:03,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:48:03" (1/1) ... [2022-11-21 23:48:03,699 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:48:03,706 INFO L158 Benchmark]: Toolchain (without parser) took 1273.88ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 37.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,707 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:48:03,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.44ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 40.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.84ms. Allocated memory is still 73.4MB. Free memory was 40.1MB in the beginning and 38.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,709 INFO L158 Benchmark]: Boogie Preprocessor took 69.54ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 36.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,710 INFO L158 Benchmark]: RCFGBuilder took 721.64ms. Allocated memory is still 73.4MB. Free memory was 36.7MB in the beginning and 38.0MB in the end (delta: -1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,711 INFO L158 Benchmark]: CodeCheck took 16.70ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 37.1MB in the end (delta: 908.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:48:03,721 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 0.24ms. Allocated memory is still 52.4MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.44ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 40.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.84ms. Allocated memory is still 73.4MB. Free memory was 40.1MB in the beginning and 38.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.54ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 36.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.64ms. Allocated memory is still 73.4MB. Free memory was 36.7MB in the beginning and 38.0MB in the end (delta: -1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 16.70ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 37.1MB in the end (delta: 908.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:48:03,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b72aa-6924-442c-b4e4-1f8f81d5b6cd/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