./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G --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 c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:05:46,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:05:46,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:05:46,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:05:46,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:05:46,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:05:46,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:05:46,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:05:46,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:05:46,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:05:46,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:05:46,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:05:46,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:05:46,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:05:46,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:05:46,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:05:46,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:05:46,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:05:46,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:05:46,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:05:46,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:05:46,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:05:46,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:05:46,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:05:46,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:05:46,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:05:46,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:05:46,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:05:46,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:05:46,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:05:46,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:05:46,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:05:46,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:05:46,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:05:46,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:05:46,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:05:46,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:05:46,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:05:46,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:05:46,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:05:46,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:05:46,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 14:05:46,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:05:46,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:05:46,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:05:46,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:05:46,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:05:46,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:05:46,355 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:05:46,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:05:46,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:05:46,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:05:46,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:05:46,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:05:46,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:05:46,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:05:46,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:05:46,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:05:46,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:05:46,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:05:46,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:05:46,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:05:46,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:05:46,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:05:46,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:05:46,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:05:46,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:05:46,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:05:46,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:05:46,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:05:46,362 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:05:46,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 14:05:46,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:05:46,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:05:46,364 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_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 [2021-11-23 14:05:46,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:05:46,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:05:46,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:05:46,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:05:46,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:05:46,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 14:05:47,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/data/4dbca9b24/a28b6769981d42ab9bc09df4c73d0b0d/FLAGe79b21793 [2021-11-23 14:05:47,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:05:47,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 14:05:47,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/data/4dbca9b24/a28b6769981d42ab9bc09df4c73d0b0d/FLAGe79b21793 [2021-11-23 14:05:48,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/data/4dbca9b24/a28b6769981d42ab9bc09df4c73d0b0d [2021-11-23 14:05:48,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:05:48,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:05:48,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:05:48,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:05:48,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:05:48,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fded11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48, skipping insertion in model container [2021-11-23 14:05:48,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:05:48,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:05:48,526 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_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 14:05:48,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:05:48,548 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:05:48,604 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_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 14:05:48,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:05:48,629 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:05:48,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48 WrapperNode [2021-11-23 14:05:48,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:05:48,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:05:48,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:05:48,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:05:48,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,811 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2021-11-23 14:05:48,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:05:48,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:05:48,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:05:48,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:05:48,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:05:48,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:05:48,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:05:48,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:05:48,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (1/1) ... [2021-11-23 14:05:48,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:05:48,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:48,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:49,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7198fa8-b7ef-4ecf-b59b-0e6e14a4d05c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 14:05:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 14:05:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 14:05:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 14:05:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 14:05:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 14:05:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 14:05:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:05:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 14:05:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 14:05:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 14:05:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 14:05:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 14:05:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:05:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:05:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:05:49,102 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:05:49,316 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:05:49,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:05:49,921 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:05:50,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:05:50,206 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:05:50,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:50 BoogieIcfgContainer [2021-11-23 14:05:50,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:05:50,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:05:50,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:05:50,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:05:50,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:05:48" (1/3) ... [2021-11-23 14:05:50,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c52d64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:50, skipping insertion in model container [2021-11-23 14:05:50,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:48" (2/3) ... [2021-11-23 14:05:50,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c52d64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:50, skipping insertion in model container [2021-11-23 14:05:50,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:50" (3/3) ... [2021-11-23 14:05:50,236 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2021-11-23 14:05:50,246 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:05:50,246 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:05:50,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:05:50,247 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:05:50,332 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,341 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,342 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,342 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,342 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,343 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,343 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,344 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,344 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,344 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,346 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,346 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,347 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,347 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,348 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,348 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,353 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,353 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,354 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,354 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,354 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,355 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,356 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,356 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,357 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,357 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,357 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,359 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,360 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,360 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,360 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,363 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,363 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,364 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,364 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,366 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,367 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,367 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,368 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,368 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,368 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,369 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,369 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,369 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,370 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,370 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,378 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,380 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,381 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,383 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,384 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,385 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,395 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,408 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,408 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,408 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,409 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,409 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,410 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,410 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,411 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,411 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,411 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,412 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,412 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,413 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,413 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,413 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,414 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,414 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,416 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,416 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,416 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:05:50,422 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-11-23 14:05:50,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 14:05:50,521 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:05:50,522 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-23 14:05:50,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 188 transitions, 424 flow [2021-11-23 14:05:50,735 INFO L129 PetriNetUnfolder]: 2/182 cut-off events. [2021-11-23 14:05:50,736 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-23 14:05:50,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 182 events. 2/182 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2021-11-23 14:05:50,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 188 transitions, 424 flow [2021-11-23 14:05:50,753 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 165 transitions, 366 flow [2021-11-23 14:05:50,838 INFO L129 PetriNetUnfolder]: 2/164 cut-off events. [2021-11-23 14:05:50,839 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-23 14:05:50,839 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 14:05:50,840 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:05:50,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-11-23 14:05:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:05:50,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1163564544, now seen corresponding path program 1 times [2021-11-23 14:05:50,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:05:50,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279723340] [2021-11-23 14:05:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:05:50,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:05:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:05:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:05:53,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:05:53,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279723340] [2021-11-23 14:05:53,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279723340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:05:53,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:05:53,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 14:05:53,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374247510] [2021-11-23 14:05:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:05:53,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 14:05:53,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:05:53,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 14:05:53,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-23 14:05:53,300 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 188 [2021-11-23 14:05:53,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 165 transitions, 366 flow. Second operand has 11 states, 11 states have (on average 138.45454545454547) internal successors, (1523), 11 states have internal predecessors, (1523), 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) [2021-11-23 14:05:53,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 14:05:53,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 188 [2021-11-23 14:05:53,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 14:06:37,647 INFO L129 PetriNetUnfolder]: 156365/219579 cut-off events. [2021-11-23 14:06:37,647 INFO L130 PetriNetUnfolder]: For 29442/29510 co-relation queries the response was YES. [2021-11-23 14:06:39,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 438504 conditions, 219579 events. 156365/219579 cut-off events. For 29442/29510 co-relation queries the response was YES. Maximal size of possible extension queue 7240. Compared 1673495 event pairs, 112309 based on Foata normal form. 3/216432 useless extension candidates. Maximal degree in co-relation 354579. Up to 102416 conditions per place. [2021-11-23 14:06:41,073 INFO L132 encePairwiseOnDemand]: 169/188 looper letters, 103 selfloop transitions, 17 changer transitions 14/246 dead transitions. [2021-11-23 14:06:41,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 246 transitions, 853 flow [2021-11-23 14:06:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:06:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-23 14:06:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1612 transitions. [2021-11-23 14:06:41,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7794970986460348 [2021-11-23 14:06:41,114 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1612 transitions. [2021-11-23 14:06:41,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1612 transitions. [2021-11-23 14:06:41,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:41,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1612 transitions. [2021-11-23 14:06:41,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.54545454545453) internal successors, (1612), 11 states have internal predecessors, (1612), 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) [2021-11-23 14:06:41,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 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) [2021-11-23 14:06:41,167 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 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) [2021-11-23 14:06:41,169 INFO L186 Difference]: Start difference. First operand has 182 places, 165 transitions, 366 flow. Second operand 11 states and 1612 transitions. [2021-11-23 14:06:41,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 246 transitions, 853 flow [2021-11-23 14:06:42,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 246 transitions, 791 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-11-23 14:06:42,281 INFO L242 Difference]: Finished difference. Result has 185 places, 172 transitions, 439 flow [2021-11-23 14:06:42,285 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=439, PETRI_PLACES=185, PETRI_TRANSITIONS=172} [2021-11-23 14:06:42,291 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 3 predicate places. [2021-11-23 14:06:42,291 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 172 transitions, 439 flow [2021-11-23 14:06:42,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.45454545454547) internal successors, (1523), 11 states have internal predecessors, (1523), 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) [2021-11-23 14:06:42,294 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 14:06:42,294 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:42,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:06:42,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-11-23 14:06:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:42,297 INFO L85 PathProgramCache]: Analyzing trace with hash 191732472, now seen corresponding path program 2 times [2021-11-23 14:06:42,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:42,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848330639] [2021-11-23 14:06:42,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:42,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:43,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:43,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848330639] [2021-11-23 14:06:43,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848330639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:43,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:43,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 14:06:43,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233987772] [2021-11-23 14:06:43,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:43,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:06:43,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:43,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:06:43,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:06:43,070 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 188 [2021-11-23 14:06:43,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 172 transitions, 439 flow. Second operand has 10 states, 10 states have (on average 138.9) internal successors, (1389), 10 states have internal predecessors, (1389), 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) [2021-11-23 14:06:43,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 14:06:43,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 188 [2021-11-23 14:06:43,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand