./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be --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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:19:35,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:19:35,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:19:36,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:19:36,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:19:36,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:19:36,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:19:36,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:19:36,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:19:36,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:19:36,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:19:36,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:19:36,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:19:36,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:19:36,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:19:36,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:19:36,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:19:36,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:19:36,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:19:36,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:19:36,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:19:36,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:19:36,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:19:36,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:19:36,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:19:36,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:19:36,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:19:36,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:19:36,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:19:36,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:19:36,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:19:36,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:19:36,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:19:36,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:19:36,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:19:36,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:19:36,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:19:36,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:19:36,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:19:36,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:19:36,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:19:36,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:19:36,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:19:36,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:19:36,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:19:36,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:19:36,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:19:36,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:19:36,170 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:19:36,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:19:36,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:19:36,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:19:36,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:19:36,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:19:36,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:19:36,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:19:36,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:19:36,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:19:36,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:19:36,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:19:36,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:19:36,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:19:36,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:19:36,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:19:36,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:19:36,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:19:36,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:19:36,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:19:36,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:19:36,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:19:36,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:19:36,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:19:36,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:19:36,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:19:36,180 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_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-10-21 20:19:36,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:19:36,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:19:36,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:19:36,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:19:36,522 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:19:36,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-10-21 20:19:36,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/data/db4c6746a/0aba9295c1e44b39ad3867b914ec6fa9/FLAG96e2c1f63 [2021-10-21 20:19:37,335 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:19:37,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/sv-benchmarks/c/pthread/stack_longer-1.i [2021-10-21 20:19:37,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/data/db4c6746a/0aba9295c1e44b39ad3867b914ec6fa9/FLAG96e2c1f63 [2021-10-21 20:19:37,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/data/db4c6746a/0aba9295c1e44b39ad3867b914ec6fa9 [2021-10-21 20:19:37,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:19:37,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:19:37,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:37,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:19:37,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:19:37,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:37" (1/1) ... [2021-10-21 20:19:37,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723a33f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:37, skipping insertion in model container [2021-10-21 20:19:37,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:37" (1/1) ... [2021-10-21 20:19:37,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:19:37,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:19:38,208 WARN L228 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_ef0c633f-f6cf-4ee1-9721-3e224cf24798/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-10-21 20:19:38,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:19:38,258 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:19:38,296 WARN L228 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_ef0c633f-f6cf-4ee1-9721-3e224cf24798/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-10-21 20:19:38,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:19:38,384 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:19:38,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38 WrapperNode [2021-10-21 20:19:38,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:38,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:19:38,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:19:38,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:19:38,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:19:38,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:19:38,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:19:38,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:19:38,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:19:38,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:19:38,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:19:38,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:19:38,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (1/1) ... [2021-10-21 20:19:38,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:19:38,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:19:38,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:19:38,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:19:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-21 20:19:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-21 20:19:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-21 20:19:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-21 20:19:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:19:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:19:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:19:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:19:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-21 20:19:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:19:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:19:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:19:38,601 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-21 20:19:39,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:19:39,222 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-21 20:19:39,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:39 BoogieIcfgContainer [2021-10-21 20:19:39,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:19:39,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:19:39,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:19:39,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:19:39,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:19:37" (1/3) ... [2021-10-21 20:19:39,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324ee53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:19:39, skipping insertion in model container [2021-10-21 20:19:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:38" (2/3) ... [2021-10-21 20:19:39,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324ee53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:19:39, skipping insertion in model container [2021-10-21 20:19:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:39" (3/3) ... [2021-10-21 20:19:39,236 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-10-21 20:19:39,243 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 20:19:39,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:19:39,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-21 20:19:39,244 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 20:19:39,321 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,322 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,323 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,323 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,323 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,323 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,324 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,324 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,327 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,327 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,327 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,329 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,329 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,334 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,336 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,336 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,337 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,356 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,368 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,368 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,368 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,368 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,369 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,369 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,369 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,377 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,377 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,380 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,380 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,381 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,381 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,381 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,381 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,388 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,388 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,388 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,388 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,390 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,390 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,390 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,391 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,391 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,391 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,391 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,398 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,398 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,405 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,405 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,406 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,408 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,409 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,410 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:19:39,426 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-21 20:19:39,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:19:39,492 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 [2021-10-21 20:19:39,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-21 20:19:39,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 155 transitions, 326 flow [2021-10-21 20:19:39,588 INFO L129 PetriNetUnfolder]: 10/153 cut-off events. [2021-10-21 20:19:39,588 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-21 20:19:39,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 153 events. 10/153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 356 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 115. Up to 3 conditions per place. [2021-10-21 20:19:39,601 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 155 transitions, 326 flow [2021-10-21 20:19:39,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 144 transitions, 297 flow [2021-10-21 20:19:39,667 INFO L129 PetriNetUnfolder]: 5/118 cut-off events. [2021-10-21 20:19:39,670 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-21 20:19:39,671 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:39,672 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] [2021-10-21 20:19:39,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:39,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:39,684 INFO L82 PathProgramCache]: Analyzing trace with hash -913403887, now seen corresponding path program 1 times [2021-10-21 20:19:39,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:39,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495762920] [2021-10-21 20:19:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:39,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:40,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:40,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495762920] [2021-10-21 20:19:40,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495762920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:40,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:40,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:19:40,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588755245] [2021-10-21 20:19:40,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:19:40,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:19:40,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:19:40,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 155 [2021-10-21 20:19:40,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 144 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2021-10-21 20:19:40,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:40,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 155 [2021-10-21 20:19:40,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:40,526 INFO L129 PetriNetUnfolder]: 68/648 cut-off events. [2021-10-21 20:19:40,526 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-21 20:19:40,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 648 events. 68/648 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3656 event pairs, 10 based on Foata normal form. 57/644 useless extension candidates. Maximal degree in co-relation 710. Up to 71 conditions per place. [2021-10-21 20:19:40,544 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 14 selfloop transitions, 3 changer transitions 0/144 dead transitions. [2021-10-21 20:19:40,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 144 transitions, 331 flow [2021-10-21 20:19:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:19:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 20:19:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 441 transitions. [2021-10-21 20:19:40,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9483870967741935 [2021-10-21 20:19:40,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 441 transitions. [2021-10-21 20:19:40,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 441 transitions. [2021-10-21 20:19:40,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:40,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 441 transitions. [2021-10-21 20:19:40,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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) [2021-10-21 20:19:40,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:40,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:40,606 INFO L186 Difference]: Start difference. First operand has 141 places, 144 transitions, 297 flow. Second operand 3 states and 441 transitions. [2021-10-21 20:19:40,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 144 transitions, 331 flow [2021-10-21 20:19:40,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 144 transitions, 326 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-21 20:19:40,618 INFO L242 Difference]: Finished difference. Result has 139 places, 139 transitions, 297 flow [2021-10-21 20:19:40,621 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=139, PETRI_TRANSITIONS=139} [2021-10-21 20:19:40,622 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -2 predicate places. [2021-10-21 20:19:40,622 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 297 flow [2021-10-21 20:19:40,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2021-10-21 20:19:40,623 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:40,623 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] [2021-10-21 20:19:40,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:19:40,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:40,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:40,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1089231175, now seen corresponding path program 1 times [2021-10-21 20:19:40,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:40,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390322576] [2021-10-21 20:19:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:40,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:40,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:40,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390322576] [2021-10-21 20:19:40,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390322576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:40,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:40,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:19:40,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733837662] [2021-10-21 20:19:40,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:19:40,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:40,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:19:40,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:19:40,812 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 155 [2021-10-21 20:19:40,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2021-10-21 20:19:40,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:40,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 155 [2021-10-21 20:19:40,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:40,889 INFO L129 PetriNetUnfolder]: 13/265 cut-off events. [2021-10-21 20:19:40,890 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-21 20:19:40,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 265 events. 13/265 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 641 event pairs, 2 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 250. Up to 11 conditions per place. [2021-10-21 20:19:40,893 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 4 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2021-10-21 20:19:40,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 140 transitions, 308 flow [2021-10-21 20:19:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:19:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 20:19:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2021-10-21 20:19:40,899 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440860215053763 [2021-10-21 20:19:40,899 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 439 transitions. [2021-10-21 20:19:40,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 439 transitions. [2021-10-21 20:19:40,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:40,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 439 transitions. [2021-10-21 20:19:40,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2021-10-21 20:19:40,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:40,906 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:40,906 INFO L186 Difference]: Start difference. First operand has 139 places, 139 transitions, 297 flow. Second operand 3 states and 439 transitions. [2021-10-21 20:19:40,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 140 transitions, 308 flow [2021-10-21 20:19:40,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 140 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 20:19:40,916 INFO L242 Difference]: Finished difference. Result has 141 places, 139 transitions, 302 flow [2021-10-21 20:19:40,917 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=141, PETRI_TRANSITIONS=139} [2021-10-21 20:19:40,917 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 0 predicate places. [2021-10-21 20:19:40,917 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 139 transitions, 302 flow [2021-10-21 20:19:40,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2021-10-21 20:19:40,918 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:40,918 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] [2021-10-21 20:19:40,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:19:40,919 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:40,919 INFO L82 PathProgramCache]: Analyzing trace with hash 532986643, now seen corresponding path program 1 times [2021-10-21 20:19:40,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:40,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196343879] [2021-10-21 20:19:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:40,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:41,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:41,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196343879] [2021-10-21 20:19:41,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196343879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:41,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:41,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:19:41,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689994636] [2021-10-21 20:19:41,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:19:41,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:41,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:19:41,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:19:41,079 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 155 [2021-10-21 20:19:41,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 139 transitions, 302 flow. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2021-10-21 20:19:41,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:41,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 155 [2021-10-21 20:19:41,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:41,208 INFO L129 PetriNetUnfolder]: 21/358 cut-off events. [2021-10-21 20:19:41,208 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-21 20:19:41,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 358 events. 21/358 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 889 event pairs, 3 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 369. Up to 14 conditions per place. [2021-10-21 20:19:41,213 INFO L132 encePairwiseOnDemand]: 150/155 looper letters, 11 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2021-10-21 20:19:41,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 144 transitions, 342 flow [2021-10-21 20:19:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:19:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-21 20:19:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 568 transitions. [2021-10-21 20:19:41,216 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9161290322580645 [2021-10-21 20:19:41,217 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 568 transitions. [2021-10-21 20:19:41,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 568 transitions. [2021-10-21 20:19:41,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:41,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 568 transitions. [2021-10-21 20:19:41,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2021-10-21 20:19:41,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 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) [2021-10-21 20:19:41,233 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 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) [2021-10-21 20:19:41,233 INFO L186 Difference]: Start difference. First operand has 141 places, 139 transitions, 302 flow. Second operand 4 states and 568 transitions. [2021-10-21 20:19:41,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 144 transitions, 342 flow [2021-10-21 20:19:41,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 144 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 20:19:41,241 INFO L242 Difference]: Finished difference. Result has 145 places, 142 transitions, 328 flow [2021-10-21 20:19:41,241 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=328, PETRI_PLACES=145, PETRI_TRANSITIONS=142} [2021-10-21 20:19:41,241 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 4 predicate places. [2021-10-21 20:19:41,242 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 142 transitions, 328 flow [2021-10-21 20:19:41,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2021-10-21 20:19:41,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:41,245 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:41,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:19:41,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:41,247 INFO L82 PathProgramCache]: Analyzing trace with hash 81255147, now seen corresponding path program 1 times [2021-10-21 20:19:41,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:41,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220788850] [2021-10-21 20:19:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:41,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:41,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:41,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220788850] [2021-10-21 20:19:41,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220788850] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:19:41,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111736756] [2021-10-21 20:19:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:41,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:19:41,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:19:41,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:19:41,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:19:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:41,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:19:41,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:19:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:42,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111736756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:19:42,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:19:42,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-21 20:19:42,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170653375] [2021-10-21 20:19:42,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:19:42,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:42,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:19:42,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:19:42,241 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 155 [2021-10-21 20:19:42,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 142 transitions, 328 flow. Second operand has 7 states, 7 states have (on average 137.28571428571428) internal successors, (961), 7 states have internal predecessors, (961), 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) [2021-10-21 20:19:42,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:42,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 155 [2021-10-21 20:19:42,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:42,596 INFO L129 PetriNetUnfolder]: 91/774 cut-off events. [2021-10-21 20:19:42,597 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-10-21 20:19:42,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1011 conditions, 774 events. 91/774 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4116 event pairs, 15 based on Foata normal form. 3/719 useless extension candidates. Maximal degree in co-relation 963. Up to 90 conditions per place. [2021-10-21 20:19:42,609 INFO L132 encePairwiseOnDemand]: 149/155 looper letters, 21 selfloop transitions, 6 changer transitions 0/155 dead transitions. [2021-10-21 20:19:42,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 155 transitions, 412 flow [2021-10-21 20:19:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:19:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-21 20:19:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 838 transitions. [2021-10-21 20:19:42,615 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9010752688172043 [2021-10-21 20:19:42,615 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 838 transitions. [2021-10-21 20:19:42,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 838 transitions. [2021-10-21 20:19:42,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:42,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 838 transitions. [2021-10-21 20:19:42,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 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) [2021-10-21 20:19:42,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 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) [2021-10-21 20:19:42,625 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 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) [2021-10-21 20:19:42,625 INFO L186 Difference]: Start difference. First operand has 145 places, 142 transitions, 328 flow. Second operand 6 states and 838 transitions. [2021-10-21 20:19:42,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 155 transitions, 412 flow [2021-10-21 20:19:42,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 155 transitions, 410 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 20:19:42,634 INFO L242 Difference]: Finished difference. Result has 152 places, 146 transitions, 367 flow [2021-10-21 20:19:42,634 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=367, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2021-10-21 20:19:42,635 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 11 predicate places. [2021-10-21 20:19:42,635 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 367 flow [2021-10-21 20:19:42,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 137.28571428571428) internal successors, (961), 7 states have internal predecessors, (961), 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) [2021-10-21 20:19:42,636 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:42,637 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] [2021-10-21 20:19:42,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:19:42,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:19:42,851 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:42,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1312288351, now seen corresponding path program 1 times [2021-10-21 20:19:42,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:42,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320925753] [2021-10-21 20:19:42,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:42,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:42,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:42,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320925753] [2021-10-21 20:19:42,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320925753] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:42,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:42,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:19:42,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689484049] [2021-10-21 20:19:42,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:19:42,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:42,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:19:42,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:19:42,954 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 155 [2021-10-21 20:19:42,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2021-10-21 20:19:42,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:42,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 155 [2021-10-21 20:19:42,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:43,063 INFO L129 PetriNetUnfolder]: 16/448 cut-off events. [2021-10-21 20:19:43,064 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-10-21 20:19:43,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 448 events. 16/448 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1221 event pairs, 1 based on Foata normal form. 10/436 useless extension candidates. Maximal degree in co-relation 520. Up to 18 conditions per place. [2021-10-21 20:19:43,069 INFO L132 encePairwiseOnDemand]: 151/155 looper letters, 7 selfloop transitions, 4 changer transitions 0/146 dead transitions. [2021-10-21 20:19:43,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 146 transitions, 389 flow [2021-10-21 20:19:43,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:19:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 20:19:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2021-10-21 20:19:43,072 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9118279569892473 [2021-10-21 20:19:43,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 424 transitions. [2021-10-21 20:19:43,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 424 transitions. [2021-10-21 20:19:43,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:43,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 424 transitions. [2021-10-21 20:19:43,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2021-10-21 20:19:43,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:43,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-10-21 20:19:43,078 INFO L186 Difference]: Start difference. First operand has 152 places, 146 transitions, 367 flow. Second operand 3 states and 424 transitions. [2021-10-21 20:19:43,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 146 transitions, 389 flow [2021-10-21 20:19:43,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 378 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-10-21 20:19:43,089 INFO L242 Difference]: Finished difference. Result has 152 places, 146 transitions, 364 flow [2021-10-21 20:19:43,089 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2021-10-21 20:19:43,090 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 11 predicate places. [2021-10-21 20:19:43,090 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 364 flow [2021-10-21 20:19:43,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2021-10-21 20:19:43,092 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:43,092 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] [2021-10-21 20:19:43,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:19:43,093 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:43,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:43,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1656271657, now seen corresponding path program 1 times [2021-10-21 20:19:43,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:43,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959452322] [2021-10-21 20:19:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:43,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:43,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:43,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959452322] [2021-10-21 20:19:43,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959452322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:43,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:43,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:19:43,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577304595] [2021-10-21 20:19:43,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:19:43,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:43,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:19:43,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:19:43,266 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 155 [2021-10-21 20:19:43,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 364 flow. Second operand has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 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) [2021-10-21 20:19:43,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:43,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 155 [2021-10-21 20:19:43,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:43,541 INFO L129 PetriNetUnfolder]: 44/681 cut-off events. [2021-10-21 20:19:43,541 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-10-21 20:19:43,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 681 events. 44/681 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2432 event pairs, 4 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 580. Up to 61 conditions per place. [2021-10-21 20:19:43,552 INFO L132 encePairwiseOnDemand]: 144/155 looper letters, 39 selfloop transitions, 13 changer transitions 0/169 dead transitions. [2021-10-21 20:19:43,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 169 transitions, 534 flow [2021-10-21 20:19:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:19:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 20:19:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1167 transitions. [2021-10-21 20:19:43,558 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8365591397849462 [2021-10-21 20:19:43,558 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1167 transitions. [2021-10-21 20:19:43,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1167 transitions. [2021-10-21 20:19:43,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:43,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1167 transitions. [2021-10-21 20:19:43,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 129.66666666666666) internal successors, (1167), 9 states have internal predecessors, (1167), 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) [2021-10-21 20:19:43,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 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) [2021-10-21 20:19:43,569 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 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) [2021-10-21 20:19:43,569 INFO L186 Difference]: Start difference. First operand has 152 places, 146 transitions, 364 flow. Second operand 9 states and 1167 transitions. [2021-10-21 20:19:43,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 169 transitions, 534 flow [2021-10-21 20:19:43,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 169 transitions, 530 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 20:19:43,578 INFO L242 Difference]: Finished difference. Result has 164 places, 153 transitions, 446 flow [2021-10-21 20:19:43,578 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=446, PETRI_PLACES=164, PETRI_TRANSITIONS=153} [2021-10-21 20:19:43,579 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 23 predicate places. [2021-10-21 20:19:43,579 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 153 transitions, 446 flow [2021-10-21 20:19:43,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 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) [2021-10-21 20:19:43,580 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:43,580 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] [2021-10-21 20:19:43,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:19:43,581 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:43,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:43,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2017285792, now seen corresponding path program 1 times [2021-10-21 20:19:43,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:43,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868071195] [2021-10-21 20:19:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:43,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:44,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:44,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868071195] [2021-10-21 20:19:44,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868071195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:44,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:44,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-10-21 20:19:44,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244064510] [2021-10-21 20:19:44,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-21 20:19:44,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:44,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-21 20:19:44,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-10-21 20:19:44,824 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 155 [2021-10-21 20:19:44,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 153 transitions, 446 flow. Second operand has 24 states, 24 states have (on average 86.16666666666667) internal successors, (2068), 24 states have internal predecessors, (2068), 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) [2021-10-21 20:19:44,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:44,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 155 [2021-10-21 20:19:44,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:47,674 INFO L129 PetriNetUnfolder]: 1045/4210 cut-off events. [2021-10-21 20:19:47,675 INFO L130 PetriNetUnfolder]: For 508/508 co-relation queries the response was YES. [2021-10-21 20:19:47,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7541 conditions, 4210 events. 1045/4210 cut-off events. For 508/508 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 30291 event pairs, 84 based on Foata normal form. 0/4053 useless extension candidates. Maximal degree in co-relation 5177. Up to 784 conditions per place. [2021-10-21 20:19:47,728 INFO L132 encePairwiseOnDemand]: 133/155 looper letters, 197 selfloop transitions, 25 changer transitions 3/318 dead transitions. [2021-10-21 20:19:47,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 318 transitions, 1261 flow [2021-10-21 20:19:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-21 20:19:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-21 20:19:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1990 transitions. [2021-10-21 20:19:47,738 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6113671274961597 [2021-10-21 20:19:47,738 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1990 transitions. [2021-10-21 20:19:47,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1990 transitions. [2021-10-21 20:19:47,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:47,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1990 transitions. [2021-10-21 20:19:47,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 94.76190476190476) internal successors, (1990), 21 states have internal predecessors, (1990), 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) [2021-10-21 20:19:47,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 155.0) internal successors, (3410), 22 states have internal predecessors, (3410), 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) [2021-10-21 20:19:47,758 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 155.0) internal successors, (3410), 22 states have internal predecessors, (3410), 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) [2021-10-21 20:19:47,758 INFO L186 Difference]: Start difference. First operand has 164 places, 153 transitions, 446 flow. Second operand 21 states and 1990 transitions. [2021-10-21 20:19:47,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 318 transitions, 1261 flow [2021-10-21 20:19:47,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 318 transitions, 1255 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-21 20:19:47,772 INFO L242 Difference]: Finished difference. Result has 195 places, 174 transitions, 606 flow [2021-10-21 20:19:47,773 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=606, PETRI_PLACES=195, PETRI_TRANSITIONS=174} [2021-10-21 20:19:47,773 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 54 predicate places. [2021-10-21 20:19:47,773 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 174 transitions, 606 flow [2021-10-21 20:19:47,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 86.16666666666667) internal successors, (2068), 24 states have internal predecessors, (2068), 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) [2021-10-21 20:19:47,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:47,776 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:47,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:19:47,776 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:47,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1091588561, now seen corresponding path program 2 times [2021-10-21 20:19:47,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:47,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107121814] [2021-10-21 20:19:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:47,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:47,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:47,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107121814] [2021-10-21 20:19:47,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107121814] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:19:47,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640383113] [2021-10-21 20:19:47,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:19:47,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:19:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:19:47,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:19:47,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:19:48,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:19:48,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:19:48,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:19:48,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:19:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:48,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640383113] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:19:48,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:19:48,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-21 20:19:48,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682700145] [2021-10-21 20:19:48,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:19:48,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:19:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:19:48,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 155 [2021-10-21 20:19:48,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 174 transitions, 606 flow. Second operand has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2021-10-21 20:19:48,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:19:48,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 155 [2021-10-21 20:19:48,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:19:48,888 INFO L129 PetriNetUnfolder]: 46/1022 cut-off events. [2021-10-21 20:19:48,889 INFO L130 PetriNetUnfolder]: For 216/216 co-relation queries the response was YES. [2021-10-21 20:19:48,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 1022 events. 46/1022 cut-off events. For 216/216 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4397 event pairs, 2 based on Foata normal form. 2/1005 useless extension candidates. Maximal degree in co-relation 1631. Up to 78 conditions per place. [2021-10-21 20:19:48,900 INFO L132 encePairwiseOnDemand]: 149/155 looper letters, 30 selfloop transitions, 10 changer transitions 0/192 dead transitions. [2021-10-21 20:19:48,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 192 transitions, 744 flow [2021-10-21 20:19:48,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:19:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 20:19:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1252 transitions. [2021-10-21 20:19:48,905 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8974910394265233 [2021-10-21 20:19:48,906 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1252 transitions. [2021-10-21 20:19:48,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1252 transitions. [2021-10-21 20:19:48,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:48,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1252 transitions. [2021-10-21 20:19:48,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.11111111111111) internal successors, (1252), 9 states have internal predecessors, (1252), 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) [2021-10-21 20:19:48,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 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) [2021-10-21 20:19:48,917 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 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) [2021-10-21 20:19:48,917 INFO L186 Difference]: Start difference. First operand has 195 places, 174 transitions, 606 flow. Second operand 9 states and 1252 transitions. [2021-10-21 20:19:48,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 192 transitions, 744 flow [2021-10-21 20:19:48,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 192 transitions, 737 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-21 20:19:48,927 INFO L242 Difference]: Finished difference. Result has 202 places, 178 transitions, 659 flow [2021-10-21 20:19:48,928 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=659, PETRI_PLACES=202, PETRI_TRANSITIONS=178} [2021-10-21 20:19:48,928 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 61 predicate places. [2021-10-21 20:19:48,929 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 178 transitions, 659 flow [2021-10-21 20:19:48,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2021-10-21 20:19:48,930 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:19:48,930 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:48,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:19:49,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:19:49,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-21 20:19:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1808951716, now seen corresponding path program 1 times [2021-10-21 20:19:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:49,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199320921] [2021-10-21 20:19:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:49,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:49,207 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:19:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:49,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:19:49,337 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:19:49,338 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:19:49,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 20:19:49,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 20:19:49,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:19:49,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:19:49,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:19:49,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:19:49,356 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 20:19:49,356 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:19:49,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:19:49 BasicIcfg [2021-10-21 20:19:49,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:19:49,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:19:49,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:19:49,554 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:19:49,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:39" (3/4) ... [2021-10-21 20:19:49,560 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:19:49,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:19:49,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:19:49,720 INFO L168 Benchmark]: Toolchain (without parser) took 12151.98 ms. Allocated memory was 98.6 MB in the beginning and 251.7 MB in the end (delta: 153.1 MB). Free memory was 57.0 MB in the beginning and 151.0 MB in the end (delta: -94.0 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,721 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:19:49,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.46 ms. Allocated memory is still 98.6 MB. Free memory was 56.9 MB in the beginning and 56.2 MB in the end (delta: 650.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 53.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,722 INFO L168 Benchmark]: Boogie Preprocessor took 41.04 ms. Allocated memory is still 98.6 MB. Free memory was 53.4 MB in the beginning and 51.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,723 INFO L168 Benchmark]: RCFGBuilder took 727.63 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 92.5 MB in the end (delta: -40.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,724 INFO L168 Benchmark]: TraceAbstraction took 10325.39 ms. Allocated memory was 119.5 MB in the beginning and 188.7 MB in the end (delta: 69.2 MB). Free memory was 91.6 MB in the beginning and 44.4 MB in the end (delta: 47.3 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,724 INFO L168 Benchmark]: Witness Printer took 165.44 ms. Allocated memory was 188.7 MB in the beginning and 251.7 MB in the end (delta: 62.9 MB). Free memory was 43.3 MB in the beginning and 151.0 MB in the end (delta: -107.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:49,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 808.46 ms. Allocated memory is still 98.6 MB. Free memory was 56.9 MB in the beginning and 56.2 MB in the end (delta: 650.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 53.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.04 ms. Allocated memory is still 98.6 MB. Free memory was 53.4 MB in the beginning and 51.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 727.63 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 92.5 MB in the end (delta: -40.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10325.39 ms. Allocated memory was 119.5 MB in the beginning and 188.7 MB in the end (delta: 69.2 MB). Free memory was 91.6 MB in the beginning and 44.4 MB in the end (delta: 47.3 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. * Witness Printer took 165.44 ms. Allocated memory was 188.7 MB in the beginning and 251.7 MB in the end (delta: 62.9 MB). Free memory was 43.3 MB in the beginning and 151.0 MB in the end (delta: -107.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 940]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(400)]; VAL [arr={10:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={10:0}, m={11:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L1019] 0 pthread_t id1, id2; VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L1021] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L988] 1 int i; VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L989] 1 unsigned int tmp; VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L990] 1 i=0 VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L990] COND TRUE 1 i<(400) VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L993] 1 tmp = __VERIFIER_nondet_uint() VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L23] COND FALSE 1 !(!cond) VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L960] COND FALSE 1 !(top==(400)) VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L952] 1 return top; VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L967] 1 stack[get_top()] = x VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L944] 1 top++ VAL [arr={10:0}, flag=0, m={11:0}, top=1] [L970] 1 return 0; VAL [arr={10:0}, flag=0, m={11:0}, top=1] [L995] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arr={10:0}, flag=0, m={11:0}, top=1] [L997] 1 flag=(1) VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L1022] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L1004] 2 int i; VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L1005] 2 i=0 VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L1005] COND TRUE 2 i<(400) VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L1008] COND TRUE 2 \read(flag) VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L952] 2 return top; VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L974] COND FALSE 2 !(get_top()==0) VAL [arr={10:0}, flag=1, m={11:0}, top=1] [L948] 2 top-- VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L952] 2 return top; VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L982] EXPR 2 stack[get_top()] VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L982] 2 return stack[get_top()]; VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L1010] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L1005] 2 i++ VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L1005] COND TRUE 2 i<(400) VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L1008] COND TRUE 2 \read(flag) VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L952] 2 return top; VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L974] COND TRUE 2 get_top()==0 VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L977] 2 return (-2); VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L1010] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L940] 2 reach_error() VAL [arr={10:0}, flag=1, m={11:0}, top=0] - UnprovableResult [Line: 1021]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1022]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 244 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 61.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9872.5ms, OverallIterations: 9, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 4869.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 117.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 120 SDtfs, 595 SDslu, 707 SDs, 0 SdLazy, 961 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 993.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1635.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=8, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 103.0ms SsaConstructionTime, 519.2ms SatisfiabilityAnalysisTime, 3133.9ms InterpolantComputationTime, 1020 NumberOfCodeBlocks, 1020 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 4774 SizeOfPredicates, 6 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 18/178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:19:49,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c633f-f6cf-4ee1-9721-3e224cf24798/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...