./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e1230113dd2fe51d463e1de923db2431e9b91a6bfeed0c14ace3e441aad68ae --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:30:11,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:30:11,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:30:11,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:30:11,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:30:11,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:30:11,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:30:11,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:30:11,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:30:11,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:30:11,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:30:11,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:30:11,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:30:11,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:30:11,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:30:11,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:30:11,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:30:11,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:30:11,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:30:11,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:30:11,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:30:11,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:30:11,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:30:11,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:30:11,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:30:11,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:30:11,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:30:11,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:30:11,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:30:11,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:30:11,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:30:11,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:30:11,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:30:11,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:30:11,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:30:11,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:30:11,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:30:11,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:30:11,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:30:11,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:30:11,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:30:11,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:30:11,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:30:11,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:30:11,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:30:11,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:30:11,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:30:11,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:30:11,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:30:11,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:30:11,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:30:11,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:30:11,779 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:30:11,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:30:11,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:30:11,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:30:11,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:30:11,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:30:11,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:30:11,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:30:11,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:30:11,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:30:11,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:30:11,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:30:11,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:30:11,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:30:11,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:30:11,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:30:11,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:30:11,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:30:11,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:30:11,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:30:11,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:30:11,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:30:11,786 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:30:11,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:30:11,786 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e1230113dd2fe51d463e1de923db2431e9b91a6bfeed0c14ace3e441aad68ae [2022-11-25 17:30:12,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:30:12,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:30:12,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:30:12,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:30:12,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:30:12,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/eca-rers2012/Problem09_label31.c [2022-11-25 17:30:15,353 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:30:19,017 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:30:19,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/sv-benchmarks/c/eca-rers2012/Problem09_label31.c [2022-11-25 17:30:19,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/data/7bc00bc3b/94c3577c1c574a50a04431554e07c14b/FLAG49c40d5d5 [2022-11-25 17:30:19,610 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/data/7bc00bc3b/94c3577c1c574a50a04431554e07c14b [2022-11-25 17:30:19,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:30:19,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:30:19,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:19,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:30:19,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:30:19,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:19" (1/1) ... [2022-11-25 17:30:19,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee8e585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:19, skipping insertion in model container [2022-11-25 17:30:19,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:19" (1/1) ... [2022-11-25 17:30:19,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:30:21,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:30:52,556 WARN L237 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_6e87fd9f-739b-48c4-8e81-df14003975c2/sv-benchmarks/c/eca-rers2012/Problem09_label31.c[6304461,6304474] [2022-11-25 17:30:52,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:30:52,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:31:10,057 WARN L237 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_6e87fd9f-739b-48c4-8e81-df14003975c2/sv-benchmarks/c/eca-rers2012/Problem09_label31.c[6304461,6304474] [2022-11-25 17:31:10,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:16,233 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:31:16,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16 WrapperNode [2022-11-25 17:31:16,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:16,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:16,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:31:16,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:31:16,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:17,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:24,191 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2022-11-25 17:31:24,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:24,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:31:24,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:31:24,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:31:24,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:24,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:25,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:25,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:28,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:29,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:29,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:29,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:31:30,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:31:30,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:31:30,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:31:30,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:31:30,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:31:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e87fd9f-739b-48c4-8e81-df14003975c2/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:31:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:31:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:31:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:31:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:31:31,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:31:31,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:33:29,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:33:29,675 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:33:29,676 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:33:29,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:33:29 BoogieIcfgContainer [2022-11-25 17:33:29,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:33:29,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:33:29,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:33:29,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:33:29,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:30:19" (1/3) ... [2022-11-25 17:33:29,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c27a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:33:29, skipping insertion in model container [2022-11-25 17:33:29,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16" (2/3) ... [2022-11-25 17:33:29,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c27a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:33:29, skipping insertion in model container [2022-11-25 17:33:29,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:33:29" (3/3) ... [2022-11-25 17:33:29,705 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label31.c [2022-11-25 17:33:29,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:33:29,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:33:30,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:33:30,113 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72da1be6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:33:30,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:33:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 20356 states, 20354 states have (on average 1.902525302151911) internal successors, (38724), 20355 states have internal predecessors, (38724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)