./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:44,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:44,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:42:44,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:44,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:44,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:44,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:44,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:44,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:44,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:44,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:44,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:44,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:44,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:44,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:44,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:44,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:44,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:44,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:44,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:44,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:44,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:44,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:44,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:44,823 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:44,823 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:44,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:44,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:44,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:44,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:44,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:44,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:44,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:44,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:44,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:44,828 INFO L153 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_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-11-21 18:42:45,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:45,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:45,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:45,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:45,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:45,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-21 18:42:48,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:48,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:48,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-21 18:42:48,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/551f36088/4331de2ee1134cbc93fe1048b26524f4/FLAGe47dd23f8 [2023-11-21 18:42:48,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/551f36088/4331de2ee1134cbc93fe1048b26524f4 [2023-11-21 18:42:48,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:48,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:48,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:48,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:48,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:48,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:48" (1/1) ... [2023-11-21 18:42:48,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aa49c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:48, skipping insertion in model container [2023-11-21 18:42:48,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:48" (1/1) ... [2023-11-21 18:42:48,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:48,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:48,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:48,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:49,008 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:49,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49 WrapperNode [2023-11-21 18:42:49,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:49,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:49,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:49,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:49,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,053 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-21 18:42:49,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:49,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:49,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:49,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:49,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:49,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:49,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:49,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:49,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:49,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:49,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:42:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:42:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:42:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:42:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:42:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:42:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:42:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:42:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:42:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:42:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:49,200 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:42:49,365 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:49,370 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:49,845 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:49,872 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:49,872 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:42:49,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:49 BoogieIcfgContainer [2023-11-21 18:42:49,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:49,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:49,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:49,887 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:49,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,889 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-21 18:42:49,900 INFO L158 Benchmark]: Toolchain (without parser) took 1183.27ms. Allocated memory is still 186.6MB. Free memory was 140.0MB in the beginning and 105.8MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:49,901 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:49,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.82ms. Allocated memory is still 186.6MB. Free memory was 140.0MB in the beginning and 128.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:49,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.81ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:49,904 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:49,906 INFO L158 Benchmark]: RCFGBuilder took 766.31ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 106.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:42:49,907 INFO L158 Benchmark]: CodeCheck took 21.43ms. Allocated memory is still 186.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 622.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:49,917 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.82ms. Allocated memory is still 186.6MB. Free memory was 140.0MB in the beginning and 128.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.81ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.31ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 106.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 21.43ms. Allocated memory is still 186.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 622.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:42:49,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:52,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:52,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:42:52,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:52,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:52,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:52,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:52,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:52,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:52,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:52,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:52,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:52,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:52,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:52,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:52,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:52,885 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:42:52,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:42:52,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:52,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:42:52,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:52,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:52,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:52,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:52,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:52,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:52,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:52,889 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:52,890 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:52,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:52,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:52,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:52,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:52,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:52,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:42:52,893 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:52,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:52,893 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:42:52,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:52,894 INFO L153 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_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-11-21 18:42:53,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:53,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:53,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:53,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:53,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:53,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-21 18:42:56,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:56,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:56,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-21 18:42:56,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/625ca8e77/ef23db27ec534cc1b95a3d81d1a40c1d/FLAGf63759220 [2023-11-21 18:42:57,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/data/625ca8e77/ef23db27ec534cc1b95a3d81d1a40c1d [2023-11-21 18:42:57,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:57,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:57,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:57,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:57,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:57,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f17f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57, skipping insertion in model container [2023-11-21 18:42:57,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:57,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:57,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:57,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:57,430 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:57,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57 WrapperNode [2023-11-21 18:42:57,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:57,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:57,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:57,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:57,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,497 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-11-21 18:42:57,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:57,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:57,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:57,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:57,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:57,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:57,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:57,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:57,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:57" (1/1) ... [2023-11-21 18:42:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:57,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:57,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:42:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:42:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:42:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:42:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:42:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:42:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:42:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:42:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:42:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:42:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:42:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:42:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:42:57,644 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:42:57,845 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:57,850 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:58,325 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:58,339 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:58,339 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:42:58,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:58 BoogieIcfgContainer [2023-11-21 18:42:58,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:58,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:58,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:58,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:58,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:58" (1/1) ... [2023-11-21 18:42:58,353 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-21 18:42:58,358 INFO L158 Benchmark]: Toolchain (without parser) took 1338.93ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 51.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:58,358 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:58,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.45ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:58,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.25ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 47.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:58,361 INFO L158 Benchmark]: Boogie Preprocessor took 47.08ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:58,362 INFO L158 Benchmark]: RCFGBuilder took 794.22ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 52.0MB in the end (delta: -6.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:58,362 INFO L158 Benchmark]: CodeCheck took 13.85ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:58,366 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.45ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.25ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 47.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.08ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 794.22ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 52.0MB in the end (delta: -6.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 13.85ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:42:58,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408816ef-1caa-4a60-a52e-41759266e752/bin/ukojak-verify-i0I2FZA1j2/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