./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:32,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:32,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:32,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:32,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:32,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:32,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:32,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:32,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:32,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:32,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:32,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:32,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:32,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:32,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:32,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:32,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:32,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:32,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:32,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:32,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:32,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:32,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:32,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:32,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:32,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:32,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:32,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:32,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:32,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:32,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:32,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:32,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:32,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:32,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:32,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:32,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:32,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:32,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:32,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:32,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:32,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:35:32,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:32,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:32,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:32,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:32,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:32,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:32,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:32,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:32,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:32,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:32,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:32,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:32,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:32,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:32,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:32,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:32,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:32,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:32,185 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:32,185 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:32,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:32,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:32,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:32,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:32,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:32,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:35:32,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:35:32,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:32,188 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2021-11-23 15:35:32,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:32,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:32,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:32,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:32,463 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:32,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:35:32,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/9c8f5ddc1/11bb8bc211894587aff21762027c0d66/FLAG46bfa228d [2021-11-23 15:35:33,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:33,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:35:33,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/9c8f5ddc1/11bb8bc211894587aff21762027c0d66/FLAG46bfa228d [2021-11-23 15:35:33,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/9c8f5ddc1/11bb8bc211894587aff21762027c0d66 [2021-11-23 15:35:33,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:33,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:33,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:33,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:33,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:33,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:33,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e33bce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33, skipping insertion in model container [2021-11-23 15:35:33,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:33,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:33,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:33,772 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 15:35:33,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:33,798 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:33,900 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 15:35:33,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:33,930 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:33,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33 WrapperNode [2021-11-23 15:35:33,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:33,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:33,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:33,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:33,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:33,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,042 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 473 [2021-11-23 15:35:34,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:34,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:34,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:34,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:34,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:34,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:34,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:34,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:34,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:33" (1/1) ... [2021-11-23 15:35:34,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:34,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:34,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:35:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:34,293 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:34,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:35,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:35,139 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 15:35:35,145 INFO L158 Benchmark]: Toolchain (without parser) took 1705.01ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 80.7MB in the end (delta: -18.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 15:35:35,146 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:35,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.47ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 66.1MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:35:35,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.41ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 63.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:35,150 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:35,151 INFO L158 Benchmark]: RCFGBuilder took 1056.26ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 80.7MB in the end (delta: -19.9MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:35,159 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 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.47ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 66.1MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.41ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 63.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1056.26ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 80.7MB in the end (delta: -19.9MB). Peak memory consumption was 25.1MB. 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 15:35:35,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:37,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:37,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:37,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:37,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:37,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:37,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:37,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:37,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:37,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:37,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:37,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:37,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:37,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:37,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:37,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:37,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:37,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:37,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:37,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:37,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:37,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:37,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:37,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:37,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:37,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:37,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:37,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:37,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:37,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:37,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:37,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:37,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:37,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:37,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:37,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:37,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:37,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:37,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:37,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:37,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:37,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:37,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:37,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:37,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:37,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:37,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:37,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:37,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:37,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:37,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:37,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:37,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:37,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:37,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:37,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:37,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:37,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:37,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:37,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:37,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:37,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:37,789 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:37,789 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:37,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:37,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:37,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:37,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:37,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:37,791 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:37,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:37,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:37,791 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:37,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:37,792 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2021-11-23 15:35:38,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:38,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:38,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:38,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:38,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:38,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:35:38,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/0044df64c/05cdf43c05c64295bcca20c0d58b14c8/FLAG01d157014 [2021-11-23 15:35:38,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:38,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:35:38,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/0044df64c/05cdf43c05c64295bcca20c0d58b14c8/FLAG01d157014 [2021-11-23 15:35:39,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/data/0044df64c/05cdf43c05c64295bcca20c0d58b14c8 [2021-11-23 15:35:39,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:39,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:39,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:39,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:39,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:39,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee6b4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39, skipping insertion in model container [2021-11-23 15:35:39,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:39,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:39,400 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 15:35:39,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:39,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:39,584 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_f32933bf-aeed-43eb-a4f3-09b6644ccb20/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 15:35:39,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:39,612 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:39,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39 WrapperNode [2021-11-23 15:35:39,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:39,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:39,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:39,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:39,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,699 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 456 [2021-11-23 15:35:39,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:39,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:39,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:39,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:39,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:39,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:39,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:39,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:39,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:39" (1/1) ... [2021-11-23 15:35:39,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:39,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:39,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:35:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:40,043 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:40,044 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:40,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:40,730 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 15:35:40,739 INFO L158 Benchmark]: Toolchain (without parser) took 1619.71ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 48.1MB in the beginning and 58.5MB in the end (delta: -10.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:35:40,739 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:40,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.50ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 47.8MB in the end (delta: 259.7kB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 15:35:40,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.94ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 44.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:40,743 INFO L158 Benchmark]: Boogie Preprocessor took 73.49ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 42.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:40,744 INFO L158 Benchmark]: RCFGBuilder took 953.18ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.1MB in the beginning and 58.5MB in the end (delta: -16.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-23 15:35:40,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.50ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 47.8MB in the end (delta: 259.7kB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.94ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 44.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.49ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 42.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 953.18ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.1MB in the beginning and 58.5MB in the end (delta: -16.3MB). Peak memory consumption was 15.3MB. 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 15:35:40,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32933bf-aeed-43eb-a4f3-09b6644ccb20/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