./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:41,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:41,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:41,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:41,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:41,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:41,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:42,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:42,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:42,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:42,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:42,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:42,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:42,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:42,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:42,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:42,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:42,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:42,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:42,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:42,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:42,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:42,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:42,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:42,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:42,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:42,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:42,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:42,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:42,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:42,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:42,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:42,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:42,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:42,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:42,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:42,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:42,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:42,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:42,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:42,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:42,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:42,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:42,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:42,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:42,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:42,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:42,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:42,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:42,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:42,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:42,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:42,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:42,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:42,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:42,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:42,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:42,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:42,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:42,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:42,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:42,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:42,069 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:42,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:42,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:42,070 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_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-11-23 15:03:42,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:42,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:42,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:42,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:42,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:42,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-23 15:03:42,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/7f9c61b2a/09d056a5e8c7489aae0bb8c1ab7608fb/FLAG43fe07345 [2021-11-23 15:03:43,231 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:43,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-23 15:03:43,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/7f9c61b2a/09d056a5e8c7489aae0bb8c1ab7608fb/FLAG43fe07345 [2021-11-23 15:03:43,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/7f9c61b2a/09d056a5e8c7489aae0bb8c1ab7608fb [2021-11-23 15:03:43,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:43,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:43,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:43,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:43,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:43,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:43" (1/1) ... [2021-11-23 15:03:43,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b86198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:43, skipping insertion in model container [2021-11-23 15:03:43,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:43" (1/1) ... [2021-11-23 15:03:43,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:43,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:43,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-23 15:03:45,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:45,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:45,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-23 15:03:45,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:45,485 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:45,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45 WrapperNode [2021-11-23 15:03:45,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:45,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:45,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:45,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:45,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,664 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1024 [2021-11-23 15:03:45,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:45,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:45,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:45,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:45,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:45,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:45,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:45,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:45" (1/1) ... [2021-11-23 15:03:45,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:45,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:45,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-23 15:03:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-23 15:03:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:03:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:03:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:03:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:03:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:03:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-23 15:03:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-23 15:03:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-23 15:03:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:03:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:03:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-23 15:03:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-23 15:03:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:03:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:03:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-23 15:03:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-23 15:03:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 15:03:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 15:03:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-23 15:03:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-23 15:03:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-23 15:03:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-23 15:03:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:03:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:03:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:03:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:03:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:03:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-23 15:03:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-23 15:03:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 15:03:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 15:03:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-23 15:03:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-23 15:03:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-23 15:03:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-23 15:03:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 15:03:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 15:03:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 15:03:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 15:03:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-23 15:03:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-23 15:03:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-23 15:03:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-23 15:03:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:03:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-23 15:03:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-23 15:03:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-23 15:03:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-23 15:03:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:03:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:03:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:03:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:03:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:03:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:03:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:46,363 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:46,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:49,056 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:49,154 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:49,159 INFO L158 Benchmark]: Toolchain (without parser) took 5824.27ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 72.3MB in the beginning and 59.2MB in the end (delta: 13.1MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,159 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:49,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2150.36ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 55.0MB in the end (delta: 17.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.78ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 46.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,161 INFO L158 Benchmark]: Boogie Preprocessor took 116.80ms. Allocated memory is still 96.5MB. Free memory was 46.1MB in the beginning and 38.9MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,162 INFO L158 Benchmark]: RCFGBuilder took 3373.86ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 38.9MB in the beginning and 59.2MB in the end (delta: -20.3MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2150.36ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 55.0MB in the end (delta: 17.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.78ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 46.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.80ms. Allocated memory is still 96.5MB. Free memory was 46.1MB in the beginning and 38.9MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3373.86ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 38.9MB in the beginning and 59.2MB in the end (delta: -20.3MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:49,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:51,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:51,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:51,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:51,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:51,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:51,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:51,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:51,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:51,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:51,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:51,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:51,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:51,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:51,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:51,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:51,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:51,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:51,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:51,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:51,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:51,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:51,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:51,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:51,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:51,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:51,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:51,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:51,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:51,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:51,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:51,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:51,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:51,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:51,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:51,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:51,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:51,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:51,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:51,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:51,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:51,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:51,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:51,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:51,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:51,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:51,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:51,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:51,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:51,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:51,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:51,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:51,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:51,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:51,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:51,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:51,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:51,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:51,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:51,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:51,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:51,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:51,942 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:51,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:51,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:51,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:51,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:51,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:51,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:51,944 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:51,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:51,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:51,945 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:51,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:51,945 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_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2021-11-23 15:03:52,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:52,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:52,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:52,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:52,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:52,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-23 15:03:52,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/91d888b65/f782b74f69604de483aaa027d5a18d16/FLAGb49d00bb4 [2021-11-23 15:03:53,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:53,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-11-23 15:03:53,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/91d888b65/f782b74f69604de483aaa027d5a18d16/FLAGb49d00bb4 [2021-11-23 15:03:53,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/data/91d888b65/f782b74f69604de483aaa027d5a18d16 [2021-11-23 15:03:53,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:53,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:53,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:53,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:53,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:53,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38175d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53, skipping insertion in model container [2021-11-23 15:03:53,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:53,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:53,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-23 15:03:55,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:55,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:03:55,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:55,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-23 15:03:55,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:55,490 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:55,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2021-11-23 15:03:55,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:56,008 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:56,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56 WrapperNode [2021-11-23 15:03:56,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:56,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:56,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:56,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:56,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,282 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 981 [2021-11-23 15:03:56,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:56,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:56,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:56,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:56,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:56,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:56,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:56,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:56,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:56" (1/1) ... [2021-11-23 15:03:56,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:56,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-23 15:03:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-23 15:03:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-23 15:03:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-23 15:03:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-23 15:03:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:03:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:03:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:03:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:03:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:03:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:03:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:03:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-23 15:03:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-23 15:03:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-23 15:03:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:03:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:03:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-23 15:03:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-23 15:03:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:03:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:03:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-23 15:03:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-23 15:03:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-23 15:03:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-23 15:03:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-23 15:03:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-23 15:03:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:03:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:03:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:03:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:03:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:03:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:03:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:03:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:03:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-23 15:03:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-23 15:03:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:03:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:03:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-23 15:03:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-23 15:03:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-23 15:03:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-23 15:03:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 15:03:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 15:03:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 15:03:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 15:03:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-23 15:03:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-23 15:03:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-23 15:03:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-23 15:03:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 15:03:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 15:03:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-23 15:03:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-23 15:03:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:03:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-23 15:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-23 15:03:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:03:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:03:56,935 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:56,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:05,916 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:06,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:06,063 INFO L158 Benchmark]: Toolchain (without parser) took 12733.05ms. Allocated memory was 56.6MB in the beginning and 167.8MB in the end (delta: 111.1MB). Free memory was 30.7MB in the beginning and 96.5MB in the end (delta: -65.8MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:06,064 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:06,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2678.76ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 30.5MB in the beginning and 38.2MB in the end (delta: -7.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:06,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.65ms. Allocated memory is still 94.4MB. Free memory was 38.2MB in the beginning and 56.5MB in the end (delta: -18.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:06,066 INFO L158 Benchmark]: Boogie Preprocessor took 140.19ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 48.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:06,067 INFO L158 Benchmark]: RCFGBuilder took 9636.81ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 48.6MB in the beginning and 96.5MB in the end (delta: -47.9MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:06,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2678.76ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 30.5MB in the beginning and 38.2MB in the end (delta: -7.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.65ms. Allocated memory is still 94.4MB. Free memory was 38.2MB in the beginning and 56.5MB in the end (delta: -18.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.19ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 48.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9636.81ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 48.6MB in the beginning and 96.5MB in the end (delta: -47.9MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:06,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34980560-bea1-4926-84e7-5d9353575c51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable