./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.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_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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_1d720654-3bb6-4925-8de0-ddd95380b38e/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 2b4e579e156345915e1fde26fcd53bce80a36e2067cd5c9341971cdf8691491e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:14,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:14,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:14,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:14,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:14,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:14,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:14,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:14,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:14,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:14,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:14,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:14,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:14,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:14,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:14,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:14,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:14,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:14,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:14,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:14,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:14,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:14,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:14,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:14,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:14,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:14,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:14,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:14,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:14,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:14,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:14,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:14,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:14,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:14,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:14,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:14,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:14,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:14,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:14,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:14,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:14,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:14,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:14,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:14,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:14,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:14,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:14,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:14,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:14,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:14,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:14,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:14,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:14,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:14,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:14,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:14,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:14,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:14,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:14,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:14,888 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:14,888 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:14,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:14,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:14,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:14,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:14,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:14,889 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:14,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:14,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:14,890 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_1d720654-3bb6-4925-8de0-ddd95380b38e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4e579e156345915e1fde26fcd53bce80a36e2067cd5c9341971cdf8691491e [2021-11-23 15:53:15,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:15,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:15,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:15,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:15,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:15,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 15:53:15,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/dfb3e0f99/c9e70c7d66d44413b0e666ab4d258b9b/FLAG513507cbc [2021-11-23 15:53:15,778 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:15,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 15:53:15,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/dfb3e0f99/c9e70c7d66d44413b0e666ab4d258b9b/FLAG513507cbc [2021-11-23 15:53:16,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/dfb3e0f99/c9e70c7d66d44413b0e666ab4d258b9b [2021-11-23 15:53:16,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:16,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:16,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:16,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:16,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:16,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550baae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16, skipping insertion in model container [2021-11-23 15:53:16,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:16,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:16,480 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_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2021-11-23 15:53:16,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:16,609 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:16,711 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_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2021-11-23 15:53:16,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:16,774 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:16,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16 WrapperNode [2021-11-23 15:53:16,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:16,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:16,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:16,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:16,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,896 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1256 [2021-11-23 15:53:16,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:16,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:16,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:16,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:16,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:16,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:16,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:16,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:16,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:17,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:17,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:17,253 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:17,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:18,200 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:18,301 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 15:53:18,311 INFO L158 Benchmark]: Toolchain (without parser) took 2225.53ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 64.8MB in the end (delta: -8.8MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,312 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:18,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.35ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 86.1MB in the end (delta: -30.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.00ms. Allocated memory is still 125.8MB. Free memory was 86.1MB in the beginning and 81.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,315 INFO L158 Benchmark]: Boogie Preprocessor took 97.47ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 77.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,316 INFO L158 Benchmark]: RCFGBuilder took 1312.29ms. Allocated memory is still 125.8MB. Free memory was 77.8MB in the beginning and 64.8MB in the end (delta: 13.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.35ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 86.1MB in the end (delta: -30.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.00ms. Allocated memory is still 125.8MB. Free memory was 86.1MB in the beginning and 81.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.47ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 77.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1312.29ms. Allocated memory is still 125.8MB. Free memory was 77.8MB in the beginning and 64.8MB in the end (delta: 13.0MB). Peak memory consumption was 46.1MB. 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 15:53:18,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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_1d720654-3bb6-4925-8de0-ddd95380b38e/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 2b4e579e156345915e1fde26fcd53bce80a36e2067cd5c9341971cdf8691491e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:20,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:20,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:20,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:20,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:20,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:20,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:20,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:20,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:20,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:20,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:20,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:20,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:20,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:20,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:20,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:20,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:20,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:20,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:20,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:20,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:20,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:20,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:20,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:20,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:20,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:20,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:20,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:20,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:20,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:20,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:20,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:20,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:20,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:20,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:20,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:20,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:20,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:20,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:20,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:20,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:20,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:20,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:20,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:20,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:20,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:20,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:20,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:20,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:20,828 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:20,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:20,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:20,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:20,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:20,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:20,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:20,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:20,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:20,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:20,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:20,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:20,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:20,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:20,832 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:20,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:20,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:20,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:20,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:20,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:20,833 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:20,834 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:20,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:20,834 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:20,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:20,835 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_1d720654-3bb6-4925-8de0-ddd95380b38e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4e579e156345915e1fde26fcd53bce80a36e2067cd5c9341971cdf8691491e [2021-11-23 15:53:21,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:21,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:21,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:21,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:21,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:21,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 15:53:21,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/50e99ea7b/37ef4b7fd318449a8a4511c6a099cc8b/FLAG11cafa35d [2021-11-23 15:53:21,896 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:21,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 15:53:21,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/50e99ea7b/37ef4b7fd318449a8a4511c6a099cc8b/FLAG11cafa35d [2021-11-23 15:53:22,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/data/50e99ea7b/37ef4b7fd318449a8a4511c6a099cc8b [2021-11-23 15:53:22,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:22,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:22,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:22,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:22,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:22,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6fd235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22, skipping insertion in model container [2021-11-23 15:53:22,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:22,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:22,565 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_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2021-11-23 15:53:22,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:22,654 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:22,730 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_1d720654-3bb6-4925-8de0-ddd95380b38e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2021-11-23 15:53:22,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:22,800 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:22,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22 WrapperNode [2021-11-23 15:53:22,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:22,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:22,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:22,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:22,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,918 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1232 [2021-11-23 15:53:22,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:22,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:22,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:22,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:22,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:22,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:22,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:22,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:22,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:23,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:23,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:23,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:23,223 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:23,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:24,250 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:24,308 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 15:53:24,313 INFO L158 Benchmark]: Toolchain (without parser) took 2116.74ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 66.2MB in the end (delta: -23.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,313 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 29.9MB in the beginning and 29.9MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:24,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.62ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 29.0MB in the end (delta: 13.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.11ms. Allocated memory is still 67.1MB. Free memory was 29.0MB in the beginning and 45.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,315 INFO L158 Benchmark]: Boogie Preprocessor took 70.74ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 41.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,316 INFO L158 Benchmark]: RCFGBuilder took 1319.80ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 41.1MB in the beginning and 66.2MB in the end (delta: -25.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 29.9MB in the beginning and 29.9MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.62ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 29.0MB in the end (delta: 13.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.11ms. Allocated memory is still 67.1MB. Free memory was 29.0MB in the beginning and 45.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.74ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 41.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1319.80ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 41.1MB in the beginning and 66.2MB in the end (delta: -25.2MB). Peak memory consumption was 30.5MB. 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 15:53:24,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d720654-3bb6-4925-8de0-ddd95380b38e/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