./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c --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_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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_4e4961a0-ac27-42e7-9884-11718ef375ff/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 a0f469ae37a514ddca8d0dce53a0af7478c9ef70fff43265912fb6cefbfb3984 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:43,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:43,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:43,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:43,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:43,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:43,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:43,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:43,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:43,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:43,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:43,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:43,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:43,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:43,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:43,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:43,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:43,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:43,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:43,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:43,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:43,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:43,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:43,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:43,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:43,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:43,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:43,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:43,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:43,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:43,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:43,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:43,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:43,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:43,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:43,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:43,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:43,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:43,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:43,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:43,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:43,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:43,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:43,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:43,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:43,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:43,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:43,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:43,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:43,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:43,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:43,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:43,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:43,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:43,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:43,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:43,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:43,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:43,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:43,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:43,848 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:43,848 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:43,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:43,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:43,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:43,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:43,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:43,850 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:43,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:43,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:43,851 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_4e4961a0-ac27-42e7-9884-11718ef375ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f469ae37a514ddca8d0dce53a0af7478c9ef70fff43265912fb6cefbfb3984 [2021-11-23 15:38:44,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:44,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:44,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:44,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:44,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:44,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c [2021-11-23 15:38:44,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/94c5c0895/7d68bd37e515439f9f2aae29006eed08/FLAG1a9f41871 [2021-11-23 15:38:44,868 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:44,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c [2021-11-23 15:38:44,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/94c5c0895/7d68bd37e515439f9f2aae29006eed08/FLAG1a9f41871 [2021-11-23 15:38:45,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/94c5c0895/7d68bd37e515439f9f2aae29006eed08 [2021-11-23 15:38:45,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:45,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:45,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:45,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:45,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:45,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527a1b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45, skipping insertion in model container [2021-11-23 15:38:45,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:45,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:45,441 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[913,926] [2021-11-23 15:38:45,481 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[5977,5990] [2021-11-23 15:38:45,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:45,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:45,555 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[913,926] [2021-11-23 15:38:45,583 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[5977,5990] [2021-11-23 15:38:45,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:45,646 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:45,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45 WrapperNode [2021-11-23 15:38:45,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:45,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:45,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:45,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:45,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,736 INFO L137 Inliner]: procedures = 54, calls = 57, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 533 [2021-11-23 15:38:45,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:45,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:45,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:45,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:45,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:45,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:45,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:45,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:45,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:45,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:45,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:38:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:38:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:38:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:38:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:38:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:38:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:38:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:38:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:38:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:38:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:38:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:38:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:38:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:38:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:38:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:38:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:38:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:38:45,976 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:45,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:46,656 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:46,688 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 15:38:46,695 INFO L158 Benchmark]: Toolchain (without parser) took 1508.71ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 40.4MB in the end (delta: 10.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 15:38:46,696 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:46,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.24ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 73.7MB in the end (delta: -23.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:46,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.59ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 70.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:46,701 INFO L158 Benchmark]: Boogie Preprocessor took 43.81ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:46,702 INFO L158 Benchmark]: RCFGBuilder took 911.26ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 40.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:46,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.24ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 73.7MB in the end (delta: -23.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.59ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 70.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.81ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.26ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 40.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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 15:38:46,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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_4e4961a0-ac27-42e7-9884-11718ef375ff/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 a0f469ae37a514ddca8d0dce53a0af7478c9ef70fff43265912fb6cefbfb3984 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:49,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:49,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:49,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:49,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:49,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:49,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:49,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:49,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:49,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:49,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:49,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:49,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:49,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:49,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:49,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:49,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:49,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:49,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:49,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:49,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:49,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:49,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:49,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:49,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:49,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:49,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:49,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:49,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:49,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:49,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:49,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:49,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:49,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:49,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:49,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:49,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:49,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:49,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:49,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:49,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:49,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:49,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:49,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:49,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:49,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:49,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:49,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:49,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:49,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:49,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:49,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:49,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:49,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:49,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:49,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:49,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:49,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:49,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:49,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:49,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:49,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:49,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:49,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:49,324 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:49,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:49,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:49,325 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:49,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:49,326 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_4e4961a0-ac27-42e7-9884-11718ef375ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f469ae37a514ddca8d0dce53a0af7478c9ef70fff43265912fb6cefbfb3984 [2021-11-23 15:38:49,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:49,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:49,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:49,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:49,709 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:49,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c [2021-11-23 15:38:49,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/f70afaa13/cb79f67575cf46e090cc316f5d778b57/FLAGa903a8391 [2021-11-23 15:38:50,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:50,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c [2021-11-23 15:38:50,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/f70afaa13/cb79f67575cf46e090cc316f5d778b57/FLAGa903a8391 [2021-11-23 15:38:50,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/data/f70afaa13/cb79f67575cf46e090cc316f5d778b57 [2021-11-23 15:38:50,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:50,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:50,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:50,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:50,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:50,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:50" (1/1) ... [2021-11-23 15:38:50,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6a413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:50, skipping insertion in model container [2021-11-23 15:38:50,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:50" (1/1) ... [2021-11-23 15:38:50,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:50,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:50,906 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[913,926] [2021-11-23 15:38:50,948 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[5977,5990] [2021-11-23 15:38:51,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:51,035 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:51,048 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[913,926] [2021-11-23 15:38:51,069 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_4e4961a0-ac27-42e7-9884-11718ef375ff/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-2.c[5977,5990] [2021-11-23 15:38:51,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:51,152 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51 WrapperNode [2021-11-23 15:38:51,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:51,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:51,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:51,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:51,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,277 INFO L137 Inliner]: procedures = 55, calls = 57, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 510 [2021-11-23 15:38:51,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:51,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:51,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:51,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:51,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:51,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:51,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:51,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:51,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:51,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:51,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:51,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:38:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:38:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:38:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:38:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:38:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:38:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:38:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:38:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:38:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:38:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:38:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:38:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:38:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:38:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:38:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:38:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:38:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:38:51,547 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:51,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:52,138 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:52,197 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 15:38:52,204 INFO L158 Benchmark]: Toolchain (without parser) took 1512.98ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 60.3MB in the beginning and 89.2MB in the end (delta: -28.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:52,205 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:52,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.70ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 42.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:38:52,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.08ms. Allocated memory is still 77.6MB. Free memory was 42.1MB in the beginning and 60.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:52,208 INFO L158 Benchmark]: Boogie Preprocessor took 88.58ms. Allocated memory is still 77.6MB. Free memory was 60.0MB in the beginning and 57.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:52,209 INFO L158 Benchmark]: RCFGBuilder took 833.73ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 89.2MB in the end (delta: -31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:52,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.70ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 42.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.08ms. Allocated memory is still 77.6MB. Free memory was 42.1MB in the beginning and 60.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.58ms. Allocated memory is still 77.6MB. Free memory was 60.0MB in the beginning and 57.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.73ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 89.2MB in the end (delta: -31.8MB). Peak memory consumption was 25.2MB. 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 15:38:52,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4961a0-ac27-42e7-9884-11718ef375ff/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