./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:16:24,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:16:24,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:16:24,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:16:24,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:16:24,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:16:24,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:16:24,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:16:24,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:16:24,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:16:24,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:16:24,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:16:24,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:16:24,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:16:24,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:16:24,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:16:24,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:16:24,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:16:24,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:16:24,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:16:24,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:16:24,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:16:24,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:16:24,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:16:24,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:16:24,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:16:24,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:16:24,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:16:24,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:16:24,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:16:24,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:16:24,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:16:24,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:16:24,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:16:24,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:16:24,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:16:24,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:16:24,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:16:24,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:16:24,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:16:24,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:16:24,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 23:16:25,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:16:25,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:16:25,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:16:25,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:16:25,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:16:25,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:16:25,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:16:25,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:16:25,013 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:16:25,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:16:25,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:16:25,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:16:25,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:16:25,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:16:25,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:16:25,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:16:25,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:16:25,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:16:25,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:16:25,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:16:25,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:16:25,016 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_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2021-12-06 23:16:25,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:16:25,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:16:25,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:16:25,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:16:25,208 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:16:25,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2021-12-06 23:16:25,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/data/52c3e0c51/89ba673745dd493a98f5e7436d94eca7/FLAG947bdf130 [2021-12-06 23:16:25,665 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:16:25,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2021-12-06 23:16:25,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/data/52c3e0c51/89ba673745dd493a98f5e7436d94eca7/FLAG947bdf130 [2021-12-06 23:16:25,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/data/52c3e0c51/89ba673745dd493a98f5e7436d94eca7 [2021-12-06 23:16:25,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:16:25,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:16:25,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:25,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:16:25,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:16:25,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:25" (1/1) ... [2021-12-06 23:16:25,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8eb0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:25, skipping insertion in model container [2021-12-06 23:16:25,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:25" (1/1) ... [2021-12-06 23:16:25,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:16:25,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:16:26,020 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,021 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,022 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,023 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:26,056 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:16:26,087 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,088 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,089 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,089 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:16:26,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:26,153 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:16:26,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26 WrapperNode [2021-12-06 23:16:26,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:26,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:26,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:16:26,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:16:26,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,221 INFO L137 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2021-12-06 23:16:26,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:26,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:16:26,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:16:26,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:16:26,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:16:26,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:16:26,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:16:26,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:16:26,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (1/1) ... [2021-12-06 23:16:26,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:16:26,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:26,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:16:26,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-12-06 23:16:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-12-06 23:16:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:16:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:16:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 23:16:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:16:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:16:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:16:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:16:26,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:16:26,335 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:16:26,460 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:16:26,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:16:26,802 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:16:26,812 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:16:26,812 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 23:16:26,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:26 BoogieIcfgContainer [2021-12-06 23:16:26,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:16:26,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:16:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:16:26,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:16:26,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:16:25" (1/3) ... [2021-12-06 23:16:26,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7533d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:16:26, skipping insertion in model container [2021-12-06 23:16:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:26" (2/3) ... [2021-12-06 23:16:26,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7533d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:16:26, skipping insertion in model container [2021-12-06 23:16:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:26" (3/3) ... [2021-12-06 23:16:26,821 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2021-12-06 23:16:26,825 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:16:26,825 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:16:26,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-12-06 23:16:26,826 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:16:26,867 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,867 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,867 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,867 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,868 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,869 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,870 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,871 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,872 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,873 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,874 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,875 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,876 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,877 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,877 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,877 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,877 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,877 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,878 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,878 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,878 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,878 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,878 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,879 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,880 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,881 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,882 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,883 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,884 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,885 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,886 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,887 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,888 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,889 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,890 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,891 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,892 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,893 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,894 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,895 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,896 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,897 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,898 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,899 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,900 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,901 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,902 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,903 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,903 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,903 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,903 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,904 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,904 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,904 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,905 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,906 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,907 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,908 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,909 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,910 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,911 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,912 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,916 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,916 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,917 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,917 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,917 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,917 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,917 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,918 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,919 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,919 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,919 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,919 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,919 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,920 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,921 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,922 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,923 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,924 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,925 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,926 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,927 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,928 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,929 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,930 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,931 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,932 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,933 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,934 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,935 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,935 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,935 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,935 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,935 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,936 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,937 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,938 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,939 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,940 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,941 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,942 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,943 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,944 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,944 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,944 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,944 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,944 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,947 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,947 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,948 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,949 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,950 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,950 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,950 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,950 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,950 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,952 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,953 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~mem25#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,954 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,955 WARN L322 ript$VariableManager]: TermVariabe |gThread1of1ForFork1_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:16:26,956 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 23:16:26,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:16:27,004 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 [2021-12-06 23:16:27,004 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-06 23:16:27,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2021-12-06 23:16:27,097 INFO L129 PetriNetUnfolder]: 14/303 cut-off events. [2021-12-06 23:16:27,097 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:16:27,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 589 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2021-12-06 23:16:27,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 620 flow [2021-12-06 23:16:27,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 303 transitions, 612 flow [2021-12-06 23:16:27,118 INFO L129 PetriNetUnfolder]: 1/45 cut-off events. [2021-12-06 23:16:27,118 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:16:27,118 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:27,119 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] [2021-12-06 23:16:27,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:27,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1073243934, now seen corresponding path program 1 times [2021-12-06 23:16:27,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:27,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341573613] [2021-12-06 23:16:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:27,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:27,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:27,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341573613] [2021-12-06 23:16:27,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341573613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:27,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:27,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:27,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369551918] [2021-12-06 23:16:27,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:27,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:27,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:27,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:27,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:27,458 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 305 [2021-12-06 23:16:27,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 303 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2021-12-06 23:16:27,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:27,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 305 [2021-12-06 23:16:27,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:28,011 INFO L129 PetriNetUnfolder]: 744/2625 cut-off events. [2021-12-06 23:16:28,011 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-12-06 23:16:28,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4129 conditions, 2625 events. 744/2625 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 17634 event pairs, 600 based on Foata normal form. 245/2501 useless extension candidates. Maximal degree in co-relation 3905. Up to 1439 conditions per place. [2021-12-06 23:16:28,035 INFO L132 encePairwiseOnDemand]: 285/305 looper letters, 110 selfloop transitions, 10 changer transitions 0/293 dead transitions. [2021-12-06 23:16:28,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 832 flow [2021-12-06 23:16:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1180 transitions. [2021-12-06 23:16:28,055 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.644808743169399 [2021-12-06 23:16:28,056 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1180 transitions. [2021-12-06 23:16:28,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1180 transitions. [2021-12-06 23:16:28,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:28,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1180 transitions. [2021-12-06 23:16:28,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 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) [2021-12-06 23:16:28,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:28,083 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:28,085 INFO L186 Difference]: Start difference. First operand has 296 places, 303 transitions, 612 flow. Second operand 6 states and 1180 transitions. [2021-12-06 23:16:28,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 832 flow [2021-12-06 23:16:28,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:16:28,100 INFO L242 Difference]: Finished difference. Result has 297 places, 293 transitions, 610 flow [2021-12-06 23:16:28,102 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2021-12-06 23:16:28,106 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2021-12-06 23:16:28,106 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 610 flow [2021-12-06 23:16:28,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2021-12-06 23:16:28,107 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:28,107 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] [2021-12-06 23:16:28,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:16:28,108 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:28,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1014354873, now seen corresponding path program 1 times [2021-12-06 23:16:28,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:28,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603920562] [2021-12-06 23:16:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:28,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:28,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:28,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603920562] [2021-12-06 23:16:28,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603920562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:28,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:28,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:28,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142298164] [2021-12-06 23:16:28,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:28,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:28,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:28,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:28,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:28,232 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 305 [2021-12-06 23:16:28,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 610 flow. Second operand has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 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) [2021-12-06 23:16:28,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:28,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 305 [2021-12-06 23:16:28,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:28,665 INFO L129 PetriNetUnfolder]: 744/2623 cut-off events. [2021-12-06 23:16:28,665 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 23:16:28,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4134 conditions, 2623 events. 744/2623 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 17568 event pairs, 600 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 3938. Up to 1437 conditions per place. [2021-12-06 23:16:28,685 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 108 selfloop transitions, 10 changer transitions 0/291 dead transitions. [2021-12-06 23:16:28,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 291 transitions, 842 flow [2021-12-06 23:16:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1170 transitions. [2021-12-06 23:16:28,691 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.639344262295082 [2021-12-06 23:16:28,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1170 transitions. [2021-12-06 23:16:28,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1170 transitions. [2021-12-06 23:16:28,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:28,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1170 transitions. [2021-12-06 23:16:28,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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) [2021-12-06 23:16:28,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:28,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:28,704 INFO L186 Difference]: Start difference. First operand has 297 places, 293 transitions, 610 flow. Second operand 6 states and 1170 transitions. [2021-12-06 23:16:28,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 291 transitions, 842 flow [2021-12-06 23:16:28,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 291 transitions, 822 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:28,712 INFO L242 Difference]: Finished difference. Result has 295 places, 291 transitions, 606 flow [2021-12-06 23:16:28,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=606, PETRI_PLACES=295, PETRI_TRANSITIONS=291} [2021-12-06 23:16:28,713 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -1 predicate places. [2021-12-06 23:16:28,714 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 291 transitions, 606 flow [2021-12-06 23:16:28,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 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) [2021-12-06 23:16:28,715 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:28,715 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] [2021-12-06 23:16:28,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:16:28,715 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:28,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:28,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1869934470, now seen corresponding path program 1 times [2021-12-06 23:16:28,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:28,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904660637] [2021-12-06 23:16:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:28,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:28,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:28,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904660637] [2021-12-06 23:16:28,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904660637] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:28,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:28,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:16:28,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562312332] [2021-12-06 23:16:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:28,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:16:28,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:16:28,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:28,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 305 [2021-12-06 23:16:28,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 291 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2021-12-06 23:16:28,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:28,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 305 [2021-12-06 23:16:28,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:28,833 INFO L129 PetriNetUnfolder]: 7/415 cut-off events. [2021-12-06 23:16:28,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:16:28,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 415 events. 7/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1025 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 218. Up to 13 conditions per place. [2021-12-06 23:16:28,836 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2021-12-06 23:16:28,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 298 transitions, 658 flow [2021-12-06 23:16:28,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:16:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:16:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 875 transitions. [2021-12-06 23:16:28,838 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9562841530054644 [2021-12-06 23:16:28,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 875 transitions. [2021-12-06 23:16:28,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 875 transitions. [2021-12-06 23:16:28,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:28,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 875 transitions. [2021-12-06 23:16:28,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 291.6666666666667) internal successors, (875), 3 states have internal predecessors, (875), 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) [2021-12-06 23:16:28,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-12-06 23:16:28,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-12-06 23:16:28,844 INFO L186 Difference]: Start difference. First operand has 295 places, 291 transitions, 606 flow. Second operand 3 states and 875 transitions. [2021-12-06 23:16:28,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 298 transitions, 658 flow [2021-12-06 23:16:28,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 298 transitions, 638 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:28,849 INFO L242 Difference]: Finished difference. Result has 293 places, 292 transitions, 598 flow [2021-12-06 23:16:28,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=293, PETRI_TRANSITIONS=292} [2021-12-06 23:16:28,851 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -3 predicate places. [2021-12-06 23:16:28,851 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 292 transitions, 598 flow [2021-12-06 23:16:28,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2021-12-06 23:16:28,851 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:28,852 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] [2021-12-06 23:16:28,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:16:28,852 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:28,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1725803836, now seen corresponding path program 1 times [2021-12-06 23:16:28,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:28,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223860876] [2021-12-06 23:16:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:28,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:28,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:28,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080496044] [2021-12-06 23:16:28,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:28,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:28,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:28,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:28,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:16:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:28,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:16:28,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:29,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:16:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:16:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 23:16:29,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:16:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:29,147 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 23:16:29,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:16:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:29,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:29,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:29,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223860876] [2021-12-06 23:16:29,166 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:29,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080496044] [2021-12-06 23:16:29,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080496044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:29,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:29,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:16:29,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162138173] [2021-12-06 23:16:29,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:29,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:16:29,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:29,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:16:29,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:16:29,177 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 305 [2021-12-06 23:16:29,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 292 transitions, 598 flow. Second operand has 8 states, 8 states have (on average 180.625) internal successors, (1445), 8 states have internal predecessors, (1445), 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) [2021-12-06 23:16:29,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:29,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 305 [2021-12-06 23:16:29,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:30,089 INFO L129 PetriNetUnfolder]: 1489/5269 cut-off events. [2021-12-06 23:16:30,090 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 23:16:30,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8282 conditions, 5269 events. 1489/5269 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 36005 event pairs, 1200 based on Foata normal form. 0/4537 useless extension candidates. Maximal degree in co-relation 4113. Up to 1480 conditions per place. [2021-12-06 23:16:30,136 INFO L132 encePairwiseOnDemand]: 295/305 looper letters, 166 selfloop transitions, 9 changer transitions 0/352 dead transitions. [2021-12-06 23:16:30,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 352 transitions, 1072 flow [2021-12-06 23:16:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:16:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:16:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1778 transitions. [2021-12-06 23:16:30,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6477231329690346 [2021-12-06 23:16:30,142 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1778 transitions. [2021-12-06 23:16:30,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1778 transitions. [2021-12-06 23:16:30,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:30,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1778 transitions. [2021-12-06 23:16:30,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 197.55555555555554) internal successors, (1778), 9 states have internal predecessors, (1778), 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) [2021-12-06 23:16:30,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:16:30,155 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:16:30,155 INFO L186 Difference]: Start difference. First operand has 293 places, 292 transitions, 598 flow. Second operand 9 states and 1778 transitions. [2021-12-06 23:16:30,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 352 transitions, 1072 flow [2021-12-06 23:16:30,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 352 transitions, 1070 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:16:30,162 INFO L242 Difference]: Finished difference. Result has 300 places, 292 transitions, 620 flow [2021-12-06 23:16:30,163 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=620, PETRI_PLACES=300, PETRI_TRANSITIONS=292} [2021-12-06 23:16:30,163 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 4 predicate places. [2021-12-06 23:16:30,163 INFO L470 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 620 flow [2021-12-06 23:16:30,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 180.625) internal successors, (1445), 8 states have internal predecessors, (1445), 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) [2021-12-06 23:16:30,164 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:30,164 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] [2021-12-06 23:16:30,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:16:30,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:30,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:30,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:30,366 INFO L85 PathProgramCache]: Analyzing trace with hash -357473874, now seen corresponding path program 1 times [2021-12-06 23:16:30,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:30,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161330736] [2021-12-06 23:16:30,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:30,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:30,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:30,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161330736] [2021-12-06 23:16:30,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161330736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:30,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:30,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:16:30,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290362676] [2021-12-06 23:16:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:30,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:16:30,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:30,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:16:30,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:30,436 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 305 [2021-12-06 23:16:30,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 292 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 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) [2021-12-06 23:16:30,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:30,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 305 [2021-12-06 23:16:30,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:30,539 INFO L129 PetriNetUnfolder]: 7/603 cut-off events. [2021-12-06 23:16:30,539 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 23:16:30,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 603 events. 7/603 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1009 event pairs, 0 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 282. Up to 16 conditions per place. [2021-12-06 23:16:30,542 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 11 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2021-12-06 23:16:30,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 296 transitions, 654 flow [2021-12-06 23:16:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:16:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:16:30,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2021-12-06 23:16:30,545 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595628415300547 [2021-12-06 23:16:30,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 878 transitions. [2021-12-06 23:16:30,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 878 transitions. [2021-12-06 23:16:30,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:30,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 878 transitions. [2021-12-06 23:16:30,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 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) [2021-12-06 23:16:30,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-12-06 23:16:30,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-12-06 23:16:30,552 INFO L186 Difference]: Start difference. First operand has 300 places, 292 transitions, 620 flow. Second operand 3 states and 878 transitions. [2021-12-06 23:16:30,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 296 transitions, 654 flow [2021-12-06 23:16:30,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 640 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-06 23:16:30,561 INFO L242 Difference]: Finished difference. Result has 296 places, 293 transitions, 618 flow [2021-12-06 23:16:30,561 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=296, PETRI_TRANSITIONS=293} [2021-12-06 23:16:30,562 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 0 predicate places. [2021-12-06 23:16:30,562 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 293 transitions, 618 flow [2021-12-06 23:16:30,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 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) [2021-12-06 23:16:30,563 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:30,563 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] [2021-12-06 23:16:30,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:16:30,564 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:30,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash -708711087, now seen corresponding path program 1 times [2021-12-06 23:16:30,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:30,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462524135] [2021-12-06 23:16:30,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:30,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:30,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596244711] [2021-12-06 23:16:30,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:30,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:30,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:30,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:30,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:16:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:30,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:30,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:30,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:16:30,799 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:16:30,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:16:30,823 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:16:30,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:16:30,856 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:16:30,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:16:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:30,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:30,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:30,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462524135] [2021-12-06 23:16:30,869 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:30,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596244711] [2021-12-06 23:16:30,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596244711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:30,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:30,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:30,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23404484] [2021-12-06 23:16:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:30,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:30,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:30,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:30,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 305 [2021-12-06 23:16:30,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 293 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:30,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:30,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 305 [2021-12-06 23:16:30,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:31,353 INFO L129 PetriNetUnfolder]: 745/2931 cut-off events. [2021-12-06 23:16:31,354 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 23:16:31,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4613 conditions, 2931 events. 745/2931 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18404 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4102. Up to 1575 conditions per place. [2021-12-06 23:16:31,367 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/292 dead transitions. [2021-12-06 23:16:31,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 292 transitions, 834 flow [2021-12-06 23:16:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2021-12-06 23:16:31,370 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6568306010928961 [2021-12-06 23:16:31,370 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1202 transitions. [2021-12-06 23:16:31,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1202 transitions. [2021-12-06 23:16:31,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:31,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1202 transitions. [2021-12-06 23:16:31,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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) [2021-12-06 23:16:31,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:31,376 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:31,376 INFO L186 Difference]: Start difference. First operand has 296 places, 293 transitions, 618 flow. Second operand 6 states and 1202 transitions. [2021-12-06 23:16:31,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 292 transitions, 834 flow [2021-12-06 23:16:31,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 292 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:16:31,381 INFO L242 Difference]: Finished difference. Result has 299 places, 292 transitions, 624 flow [2021-12-06 23:16:31,381 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=624, PETRI_PLACES=299, PETRI_TRANSITIONS=292} [2021-12-06 23:16:31,382 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 3 predicate places. [2021-12-06 23:16:31,382 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 292 transitions, 624 flow [2021-12-06 23:16:31,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:31,382 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:31,383 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] [2021-12-06 23:16:31,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:16:31,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:31,584 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1604782190, now seen corresponding path program 1 times [2021-12-06 23:16:31,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:31,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096675407] [2021-12-06 23:16:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:31,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:31,612 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:31,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494832160] [2021-12-06 23:16:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:31,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:31,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:31,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 23:16:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:31,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:31,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:31,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 23:16:31,797 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 23:16:31,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 23:16:31,819 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 23:16:31,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 23:16:31,850 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 23:16:31,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-12-06 23:16:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:31,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:31,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:31,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096675407] [2021-12-06 23:16:31,862 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:31,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494832160] [2021-12-06 23:16:31,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494832160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:31,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:31,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:31,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274019469] [2021-12-06 23:16:31,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:31,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:31,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:31,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:31,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:31,866 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 305 [2021-12-06 23:16:31,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 292 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:31,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:31,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 305 [2021-12-06 23:16:31,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:32,354 INFO L129 PetriNetUnfolder]: 745/2927 cut-off events. [2021-12-06 23:16:32,354 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:16:32,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4627 conditions, 2927 events. 745/2927 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18522 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4151. Up to 1575 conditions per place. [2021-12-06 23:16:32,368 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/291 dead transitions. [2021-12-06 23:16:32,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 291 transitions, 840 flow [2021-12-06 23:16:32,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1196 transitions. [2021-12-06 23:16:32,371 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.653551912568306 [2021-12-06 23:16:32,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1196 transitions. [2021-12-06 23:16:32,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1196 transitions. [2021-12-06 23:16:32,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:32,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1196 transitions. [2021-12-06 23:16:32,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.33333333333334) internal successors, (1196), 6 states have internal predecessors, (1196), 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) [2021-12-06 23:16:32,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:32,377 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:32,377 INFO L186 Difference]: Start difference. First operand has 299 places, 292 transitions, 624 flow. Second operand 6 states and 1196 transitions. [2021-12-06 23:16:32,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 291 transitions, 840 flow [2021-12-06 23:16:32,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 291 transitions, 830 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:32,381 INFO L242 Difference]: Finished difference. Result has 298 places, 291 transitions, 622 flow [2021-12-06 23:16:32,382 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2021-12-06 23:16:32,382 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 2 predicate places. [2021-12-06 23:16:32,382 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 622 flow [2021-12-06 23:16:32,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:32,383 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:32,383 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:32,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:16:32,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 23:16:32,585 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:32,586 INFO L85 PathProgramCache]: Analyzing trace with hash -816700385, now seen corresponding path program 1 times [2021-12-06 23:16:32,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:32,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694031426] [2021-12-06 23:16:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:32,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:32,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:32,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516483422] [2021-12-06 23:16:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:32,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:32,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:32,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:32,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 23:16:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:32,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:32,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:32,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:16:32,815 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:16:32,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:16:32,837 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:16:32,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:16:32,866 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:16:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:16:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:32,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:32,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:32,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694031426] [2021-12-06 23:16:32,878 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:32,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516483422] [2021-12-06 23:16:32,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516483422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:32,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:32,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:32,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150646829] [2021-12-06 23:16:32,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:32,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:32,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:32,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:32,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:32,881 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-12-06 23:16:32,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 622 flow. Second operand has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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) [2021-12-06 23:16:32,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:32,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-12-06 23:16:32,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:33,303 INFO L129 PetriNetUnfolder]: 745/2923 cut-off events. [2021-12-06 23:16:33,303 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:16:33,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4627 conditions, 2923 events. 745/2923 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18408 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4175. Up to 1579 conditions per place. [2021-12-06 23:16:33,316 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 105 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2021-12-06 23:16:33,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 290 transitions, 840 flow [2021-12-06 23:16:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1185 transitions. [2021-12-06 23:16:33,319 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6475409836065574 [2021-12-06 23:16:33,319 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1185 transitions. [2021-12-06 23:16:33,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1185 transitions. [2021-12-06 23:16:33,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:33,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1185 transitions. [2021-12-06 23:16:33,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.5) internal successors, (1185), 6 states have internal predecessors, (1185), 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) [2021-12-06 23:16:33,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:33,325 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:33,325 INFO L186 Difference]: Start difference. First operand has 298 places, 291 transitions, 622 flow. Second operand 6 states and 1185 transitions. [2021-12-06 23:16:33,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 290 transitions, 840 flow [2021-12-06 23:16:33,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 290 transitions, 830 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:33,330 INFO L242 Difference]: Finished difference. Result has 297 places, 290 transitions, 620 flow [2021-12-06 23:16:33,330 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=297, PETRI_TRANSITIONS=290} [2021-12-06 23:16:33,331 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2021-12-06 23:16:33,331 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 290 transitions, 620 flow [2021-12-06 23:16:33,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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) [2021-12-06 23:16:33,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:33,331 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:33,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:16:33,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:33,532 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:33,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1731778026, now seen corresponding path program 1 times [2021-12-06 23:16:33,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:33,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574894722] [2021-12-06 23:16:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:33,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:33,550 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:33,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2124902537] [2021-12-06 23:16:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:33,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:33,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:33,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 23:16:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:33,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:33,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:33,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 23:16:33,756 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 23:16:33,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 23:16:33,777 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 23:16:33,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 23:16:33,807 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 23:16:33,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-12-06 23:16:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:33,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:33,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:33,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574894722] [2021-12-06 23:16:33,820 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:33,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124902537] [2021-12-06 23:16:33,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124902537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:33,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:33,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:33,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48889367] [2021-12-06 23:16:33,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:33,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:33,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:33,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:33,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-12-06 23:16:33,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 290 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:33,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:33,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-12-06 23:16:33,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:34,344 INFO L129 PetriNetUnfolder]: 745/2919 cut-off events. [2021-12-06 23:16:34,344 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:16:34,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4619 conditions, 2919 events. 745/2919 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18380 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4187. Up to 1575 conditions per place. [2021-12-06 23:16:34,360 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2021-12-06 23:16:34,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 289 transitions, 836 flow [2021-12-06 23:16:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2021-12-06 23:16:34,364 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6469945355191257 [2021-12-06 23:16:34,364 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2021-12-06 23:16:34,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2021-12-06 23:16:34,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:34,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2021-12-06 23:16:34,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.33333333333334) internal successors, (1184), 6 states have internal predecessors, (1184), 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) [2021-12-06 23:16:34,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:34,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:34,371 INFO L186 Difference]: Start difference. First operand has 297 places, 290 transitions, 620 flow. Second operand 6 states and 1184 transitions. [2021-12-06 23:16:34,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 289 transitions, 836 flow [2021-12-06 23:16:34,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 289 transitions, 826 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:34,376 INFO L242 Difference]: Finished difference. Result has 296 places, 289 transitions, 618 flow [2021-12-06 23:16:34,377 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=296, PETRI_TRANSITIONS=289} [2021-12-06 23:16:34,377 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 0 predicate places. [2021-12-06 23:16:34,377 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 289 transitions, 618 flow [2021-12-06 23:16:34,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-12-06 23:16:34,378 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:34,378 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:34,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 23:16:34,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:34,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1104022034, now seen corresponding path program 1 times [2021-12-06 23:16:34,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:34,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364327646] [2021-12-06 23:16:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:34,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:34,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:34,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2147038896] [2021-12-06 23:16:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:34,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:34,604 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:34,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 23:16:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:34,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:34,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:34,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:16:34,821 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:16:34,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:16:34,840 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:16:34,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:16:34,868 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:16:34,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:16:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:34,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:34,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:34,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364327646] [2021-12-06 23:16:34,882 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:34,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147038896] [2021-12-06 23:16:34,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147038896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:34,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:34,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:34,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277264729] [2021-12-06 23:16:34,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:34,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:34,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:34,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:34,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:34,884 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 305 [2021-12-06 23:16:34,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 289 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2021-12-06 23:16:34,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:34,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 305 [2021-12-06 23:16:34,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:35,379 INFO L129 PetriNetUnfolder]: 745/2915 cut-off events. [2021-12-06 23:16:35,380 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:16:35,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4607 conditions, 2915 events. 745/2915 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18378 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4197. Up to 1567 conditions per place. [2021-12-06 23:16:35,396 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 102 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2021-12-06 23:16:35,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 830 flow [2021-12-06 23:16:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1188 transitions. [2021-12-06 23:16:35,399 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6491803278688525 [2021-12-06 23:16:35,399 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1188 transitions. [2021-12-06 23:16:35,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1188 transitions. [2021-12-06 23:16:35,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:35,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1188 transitions. [2021-12-06 23:16:35,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2021-12-06 23:16:35,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:35,406 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:35,406 INFO L186 Difference]: Start difference. First operand has 296 places, 289 transitions, 618 flow. Second operand 6 states and 1188 transitions. [2021-12-06 23:16:35,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 830 flow [2021-12-06 23:16:35,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 820 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:35,412 INFO L242 Difference]: Finished difference. Result has 295 places, 288 transitions, 616 flow [2021-12-06 23:16:35,412 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=295, PETRI_TRANSITIONS=288} [2021-12-06 23:16:35,412 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -1 predicate places. [2021-12-06 23:16:35,412 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 288 transitions, 616 flow [2021-12-06 23:16:35,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2021-12-06 23:16:35,413 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:35,413 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:35,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 23:16:35,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 23:16:35,615 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:35,616 INFO L85 PathProgramCache]: Analyzing trace with hash 957281394, now seen corresponding path program 1 times [2021-12-06 23:16:35,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:35,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077218244] [2021-12-06 23:16:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:35,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:35,671 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:35,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1613763696] [2021-12-06 23:16:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:35,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:35,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:35,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:35,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 23:16:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:35,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:16:35,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:35,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:16:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:36,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077218244] [2021-12-06 23:16:36,071 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613763696] [2021-12-06 23:16:36,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613763696] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:16:36,071 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:16:36,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 23:16:36,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105604365] [2021-12-06 23:16:36,071 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:16:36,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:16:36,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:36,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:16:36,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:16:36,074 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-12-06 23:16:36,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 288 transitions, 616 flow. Second operand has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 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) [2021-12-06 23:16:36,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:36,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-12-06 23:16:36,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:36,184 INFO L129 PetriNetUnfolder]: 7/769 cut-off events. [2021-12-06 23:16:36,184 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 23:16:36,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 769 events. 7/769 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 4/759 useless extension candidates. Maximal degree in co-relation 351. Up to 13 conditions per place. [2021-12-06 23:16:36,186 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 12 selfloop transitions, 9 changer transitions 0/298 dead transitions. [2021-12-06 23:16:36,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 298 transitions, 680 flow [2021-12-06 23:16:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:16:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:16:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2606 transitions. [2021-12-06 23:16:36,191 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9493624772313297 [2021-12-06 23:16:36,191 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2606 transitions. [2021-12-06 23:16:36,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2606 transitions. [2021-12-06 23:16:36,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:36,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2606 transitions. [2021-12-06 23:16:36,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 289.55555555555554) internal successors, (2606), 9 states have internal predecessors, (2606), 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) [2021-12-06 23:16:36,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:16:36,200 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:16:36,200 INFO L186 Difference]: Start difference. First operand has 295 places, 288 transitions, 616 flow. Second operand 9 states and 2606 transitions. [2021-12-06 23:16:36,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 298 transitions, 680 flow [2021-12-06 23:16:36,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 298 transitions, 670 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:16:36,205 INFO L242 Difference]: Finished difference. Result has 301 places, 294 transitions, 656 flow [2021-12-06 23:16:36,205 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=656, PETRI_PLACES=301, PETRI_TRANSITIONS=294} [2021-12-06 23:16:36,205 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 5 predicate places. [2021-12-06 23:16:36,205 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 294 transitions, 656 flow [2021-12-06 23:16:36,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 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) [2021-12-06 23:16:36,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:36,206 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 23:16:36,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 23:16:36,408 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:36,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1922498830, now seen corresponding path program 2 times [2021-12-06 23:16:36,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:36,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270403978] [2021-12-06 23:16:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:36,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:36,487 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:36,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318292894] [2021-12-06 23:16:36,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:16:36,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:36,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:36,488 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:36,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 23:16:36,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:16:36,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:16:36,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:36,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:36,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 23:16:36,874 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:16:36,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 23:16:36,895 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:16:36,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2021-12-06 23:16:36,926 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:16:36,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2021-12-06 23:16:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-12-06 23:16:36,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:36,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:36,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270403978] [2021-12-06 23:16:36,940 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:36,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318292894] [2021-12-06 23:16:36,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318292894] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:36,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:36,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:36,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832228957] [2021-12-06 23:16:36,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:36,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:36,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:36,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:36,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:36,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 305 [2021-12-06 23:16:36,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 294 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 176.16666666666666) internal successors, (1057), 6 states have internal predecessors, (1057), 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) [2021-12-06 23:16:36,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:36,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 305 [2021-12-06 23:16:36,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:38,206 INFO L129 PetriNetUnfolder]: 1693/4867 cut-off events. [2021-12-06 23:16:38,206 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 23:16:38,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8558 conditions, 4867 events. 1693/4867 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 32309 event pairs, 748 based on Foata normal form. 0/4257 useless extension candidates. Maximal degree in co-relation 7906. Up to 2615 conditions per place. [2021-12-06 23:16:38,229 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 235 selfloop transitions, 23 changer transitions 0/430 dead transitions. [2021-12-06 23:16:38,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 430 transitions, 1452 flow [2021-12-06 23:16:38,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1249 transitions. [2021-12-06 23:16:38,232 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6825136612021858 [2021-12-06 23:16:38,233 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1249 transitions. [2021-12-06 23:16:38,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1249 transitions. [2021-12-06 23:16:38,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:38,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1249 transitions. [2021-12-06 23:16:38,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 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) [2021-12-06 23:16:38,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:38,237 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:38,237 INFO L186 Difference]: Start difference. First operand has 301 places, 294 transitions, 656 flow. Second operand 6 states and 1249 transitions. [2021-12-06 23:16:38,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 430 transitions, 1452 flow [2021-12-06 23:16:38,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 430 transitions, 1446 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 23:16:38,244 INFO L242 Difference]: Finished difference. Result has 310 places, 316 transitions, 808 flow [2021-12-06 23:16:38,244 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=310, PETRI_TRANSITIONS=316} [2021-12-06 23:16:38,245 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 14 predicate places. [2021-12-06 23:16:38,245 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 316 transitions, 808 flow [2021-12-06 23:16:38,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.16666666666666) internal successors, (1057), 6 states have internal predecessors, (1057), 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) [2021-12-06 23:16:38,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:38,246 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:38,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 23:16:38,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 23:16:38,447 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:38,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1620689595, now seen corresponding path program 1 times [2021-12-06 23:16:38,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:38,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075289463] [2021-12-06 23:16:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:38,514 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:38,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191942385] [2021-12-06 23:16:38,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:38,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:38,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:38,515 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:38,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 23:16:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:38,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:16:38,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:39,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:16:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:39,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:39,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075289463] [2021-12-06 23:16:39,460 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:39,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191942385] [2021-12-06 23:16:39,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191942385] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:16:39,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:16:39,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 23:16:39,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48964443] [2021-12-06 23:16:39,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:16:39,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 23:16:39,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 23:16:39,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:16:39,465 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-12-06 23:16:39,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 316 transitions, 808 flow. Second operand has 16 states, 16 states have (on average 289.3125) internal successors, (4629), 16 states have internal predecessors, (4629), 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) [2021-12-06 23:16:39,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:39,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-12-06 23:16:39,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:40,038 INFO L129 PetriNetUnfolder]: 75/2061 cut-off events. [2021-12-06 23:16:40,038 INFO L130 PetriNetUnfolder]: For 86/89 co-relation queries the response was YES. [2021-12-06 23:16:40,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 2061 events. 75/2061 cut-off events. For 86/89 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4338 event pairs, 8 based on Foata normal form. 8/1993 useless extension candidates. Maximal degree in co-relation 1962. Up to 65 conditions per place. [2021-12-06 23:16:40,044 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 20 selfloop transitions, 21 changer transitions 0/340 dead transitions. [2021-12-06 23:16:40,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 340 transitions, 990 flow [2021-12-06 23:16:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 23:16:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 23:16:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6072 transitions. [2021-12-06 23:16:40,057 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9480093676814988 [2021-12-06 23:16:40,057 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6072 transitions. [2021-12-06 23:16:40,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6072 transitions. [2021-12-06 23:16:40,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:40,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6072 transitions. [2021-12-06 23:16:40,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 289.14285714285717) internal successors, (6072), 21 states have internal predecessors, (6072), 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) [2021-12-06 23:16:40,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-12-06 23:16:40,079 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-12-06 23:16:40,079 INFO L186 Difference]: Start difference. First operand has 310 places, 316 transitions, 808 flow. Second operand 21 states and 6072 transitions. [2021-12-06 23:16:40,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 340 transitions, 990 flow [2021-12-06 23:16:40,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 340 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:16:40,087 INFO L242 Difference]: Finished difference. Result has 335 places, 329 transitions, 938 flow [2021-12-06 23:16:40,087 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=938, PETRI_PLACES=335, PETRI_TRANSITIONS=329} [2021-12-06 23:16:40,088 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 39 predicate places. [2021-12-06 23:16:40,088 INFO L470 AbstractCegarLoop]: Abstraction has has 335 places, 329 transitions, 938 flow [2021-12-06 23:16:40,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 289.3125) internal successors, (4629), 16 states have internal predecessors, (4629), 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) [2021-12-06 23:16:40,088 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:40,089 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:40,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 23:16:40,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 23:16:40,290 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1234139067, now seen corresponding path program 2 times [2021-12-06 23:16:40,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:40,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619664645] [2021-12-06 23:16:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:40,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:40,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:40,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996938579] [2021-12-06 23:16:40,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:16:40,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:40,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:40,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 23:16:40,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:16:40,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:16:40,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:40,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:40,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 23:16:40,995 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:16:40,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 23:16:41,016 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:16:41,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2021-12-06 23:16:41,047 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:16:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2021-12-06 23:16:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2021-12-06 23:16:41,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:41,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:41,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619664645] [2021-12-06 23:16:41,062 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:41,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996938579] [2021-12-06 23:16:41,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996938579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:41,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:41,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:41,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097824575] [2021-12-06 23:16:41,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:41,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:41,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:41,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:41,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:41,065 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 305 [2021-12-06 23:16:41,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 329 transitions, 938 flow. Second operand has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 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) [2021-12-06 23:16:41,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:41,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 305 [2021-12-06 23:16:41,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:43,821 INFO L129 PetriNetUnfolder]: 2504/7508 cut-off events. [2021-12-06 23:16:43,822 INFO L130 PetriNetUnfolder]: For 1353/1361 co-relation queries the response was YES. [2021-12-06 23:16:43,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14374 conditions, 7508 events. 2504/7508 cut-off events. For 1353/1361 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 49076 event pairs, 904 based on Foata normal form. 0/6660 useless extension candidates. Maximal degree in co-relation 13098. Up to 3999 conditions per place. [2021-12-06 23:16:43,859 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 268 selfloop transitions, 31 changer transitions 0/485 dead transitions. [2021-12-06 23:16:43,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 485 transitions, 2010 flow [2021-12-06 23:16:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1245 transitions. [2021-12-06 23:16:43,863 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.680327868852459 [2021-12-06 23:16:43,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1245 transitions. [2021-12-06 23:16:43,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1245 transitions. [2021-12-06 23:16:43,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:43,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1245 transitions. [2021-12-06 23:16:43,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.5) internal successors, (1245), 6 states have internal predecessors, (1245), 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) [2021-12-06 23:16:43,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:43,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:43,867 INFO L186 Difference]: Start difference. First operand has 335 places, 329 transitions, 938 flow. Second operand 6 states and 1245 transitions. [2021-12-06 23:16:43,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 485 transitions, 2010 flow [2021-12-06 23:16:43,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 485 transitions, 1986 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 23:16:43,877 INFO L242 Difference]: Finished difference. Result has 339 places, 359 transitions, 1172 flow [2021-12-06 23:16:43,877 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1172, PETRI_PLACES=339, PETRI_TRANSITIONS=359} [2021-12-06 23:16:43,878 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 43 predicate places. [2021-12-06 23:16:43,878 INFO L470 AbstractCegarLoop]: Abstraction has has 339 places, 359 transitions, 1172 flow [2021-12-06 23:16:43,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 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) [2021-12-06 23:16:43,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:43,879 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:43,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 23:16:44,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 23:16:44,080 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 899455612, now seen corresponding path program 1 times [2021-12-06 23:16:44,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:44,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220130561] [2021-12-06 23:16:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:44,174 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564079586] [2021-12-06 23:16:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:44,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:44,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:44,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 23:16:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:44,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 2849 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 23:16:44,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:45,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:16:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:46,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:46,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220130561] [2021-12-06 23:16:46,170 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:46,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564079586] [2021-12-06 23:16:46,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564079586] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:16:46,170 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:16:46,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-12-06 23:16:46,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380940034] [2021-12-06 23:16:46,171 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:16:46,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-06 23:16:46,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:46,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-06 23:16:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-12-06 23:16:46,179 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-12-06 23:16:46,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 359 transitions, 1172 flow. Second operand has 32 states, 32 states have (on average 289.375) internal successors, (9260), 32 states have internal predecessors, (9260), 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) [2021-12-06 23:16:46,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:46,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-12-06 23:16:46,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:48,011 INFO L129 PetriNetUnfolder]: 154/4127 cut-off events. [2021-12-06 23:16:48,011 INFO L130 PetriNetUnfolder]: For 848/862 co-relation queries the response was YES. [2021-12-06 23:16:48,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5378 conditions, 4127 events. 154/4127 cut-off events. For 848/862 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 10088 event pairs, 15 based on Foata normal form. 17/4011 useless extension candidates. Maximal degree in co-relation 3930. Up to 106 conditions per place. [2021-12-06 23:16:48,023 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 36 selfloop transitions, 45 changer transitions 0/410 dead transitions. [2021-12-06 23:16:48,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 410 transitions, 1634 flow [2021-12-06 23:16:48,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-06 23:16:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-06 23:16:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 13004 transitions. [2021-12-06 23:16:48,033 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9474681238615665 [2021-12-06 23:16:48,033 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 13004 transitions. [2021-12-06 23:16:48,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 13004 transitions. [2021-12-06 23:16:48,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:48,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 13004 transitions. [2021-12-06 23:16:48,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 288.97777777777776) internal successors, (13004), 45 states have internal predecessors, (13004), 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) [2021-12-06 23:16:48,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 305.0) internal successors, (14030), 46 states have internal predecessors, (14030), 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) [2021-12-06 23:16:48,061 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 305.0) internal successors, (14030), 46 states have internal predecessors, (14030), 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) [2021-12-06 23:16:48,061 INFO L186 Difference]: Start difference. First operand has 339 places, 359 transitions, 1172 flow. Second operand 45 states and 13004 transitions. [2021-12-06 23:16:48,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 410 transitions, 1634 flow [2021-12-06 23:16:48,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 410 transitions, 1634 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:16:48,071 INFO L242 Difference]: Finished difference. Result has 392 places, 384 transitions, 1474 flow [2021-12-06 23:16:48,072 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1172, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1474, PETRI_PLACES=392, PETRI_TRANSITIONS=384} [2021-12-06 23:16:48,072 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 96 predicate places. [2021-12-06 23:16:48,072 INFO L470 AbstractCegarLoop]: Abstraction has has 392 places, 384 transitions, 1474 flow [2021-12-06 23:16:48,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 289.375) internal successors, (9260), 32 states have internal predecessors, (9260), 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) [2021-12-06 23:16:48,073 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:48,073 INFO L254 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:48,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 23:16:48,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 23:16:48,275 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1879538564, now seen corresponding path program 2 times [2021-12-06 23:16:48,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:48,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936397041] [2021-12-06 23:16:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:48,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:48,408 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:48,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804303293] [2021-12-06 23:16:48,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:16:48,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:48,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:48,409 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:48,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 23:16:48,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:16:48,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:16:48,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:16:48,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:49,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:16:49,657 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:16:49,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:16:49,676 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:16:49,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:16:49,707 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:16:49,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:16:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2021-12-06 23:16:49,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:49,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:49,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936397041] [2021-12-06 23:16:49,726 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:49,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804303293] [2021-12-06 23:16:49,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804303293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:49,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:49,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:49,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768955324] [2021-12-06 23:16:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:49,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:16:49,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:49,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:16:49,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:16:49,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-12-06 23:16:49,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 384 transitions, 1474 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2021-12-06 23:16:49,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:49,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-12-06 23:16:49,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:16:54,470 INFO L129 PetriNetUnfolder]: 2016/8395 cut-off events. [2021-12-06 23:16:54,470 INFO L130 PetriNetUnfolder]: For 3332/3340 co-relation queries the response was YES. [2021-12-06 23:16:54,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16591 conditions, 8395 events. 2016/8395 cut-off events. For 3332/3340 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 45460 event pairs, 810 based on Foata normal form. 0/7824 useless extension candidates. Maximal degree in co-relation 14070. Up to 4170 conditions per place. [2021-12-06 23:16:54,520 INFO L132 encePairwiseOnDemand]: 294/305 looper letters, 253 selfloop transitions, 55 changer transitions 0/534 dead transitions. [2021-12-06 23:16:54,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 534 transitions, 2714 flow [2021-12-06 23:16:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:16:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1289 transitions. [2021-12-06 23:16:54,522 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7043715846994536 [2021-12-06 23:16:54,522 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1289 transitions. [2021-12-06 23:16:54,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1289 transitions. [2021-12-06 23:16:54,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:16:54,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1289 transitions. [2021-12-06 23:16:54,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.83333333333334) internal successors, (1289), 6 states have internal predecessors, (1289), 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) [2021-12-06 23:16:54,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:54,526 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:16:54,526 INFO L186 Difference]: Start difference. First operand has 392 places, 384 transitions, 1474 flow. Second operand 6 states and 1289 transitions. [2021-12-06 23:16:54,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 534 transitions, 2714 flow [2021-12-06 23:16:54,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 534 transitions, 2658 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-12-06 23:16:54,543 INFO L242 Difference]: Finished difference. Result has 384 places, 433 transitions, 1972 flow [2021-12-06 23:16:54,544 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1418, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1972, PETRI_PLACES=384, PETRI_TRANSITIONS=433} [2021-12-06 23:16:54,544 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 88 predicate places. [2021-12-06 23:16:54,544 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 433 transitions, 1972 flow [2021-12-06 23:16:54,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2021-12-06 23:16:54,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:16:54,545 INFO L254 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:54,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 23:16:54,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:54,747 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:16:54,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash -144864379, now seen corresponding path program 1 times [2021-12-06 23:16:54,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:54,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556726589] [2021-12-06 23:16:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:54,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:54,906 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:16:54,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301747048] [2021-12-06 23:16:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:54,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:16:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:54,908 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:16:54,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 23:16:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:55,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 5829 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-06 23:16:55,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:57,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:16:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:58,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:58,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556726589] [2021-12-06 23:16:58,773 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:16:58,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301747048] [2021-12-06 23:16:58,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301747048] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:16:58,773 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:16:58,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-12-06 23:16:58,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186310701] [2021-12-06 23:16:58,774 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:16:58,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-12-06 23:16:58,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:58,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-12-06 23:16:58,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-12-06 23:16:58,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-12-06 23:16:58,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 433 transitions, 1972 flow. Second operand has 61 states, 61 states have (on average 289.4918032786885) internal successors, (17659), 61 states have internal predecessors, (17659), 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) [2021-12-06 23:16:58,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:16:58,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-12-06 23:16:58,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:17:04,298 INFO L129 PetriNetUnfolder]: 251/7280 cut-off events. [2021-12-06 23:17:04,299 INFO L130 PetriNetUnfolder]: For 5550/5616 co-relation queries the response was YES. [2021-12-06 23:17:04,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10168 conditions, 7280 events. 251/7280 cut-off events. For 5550/5616 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 13807 event pairs, 15 based on Foata normal form. 46/7170 useless extension candidates. Maximal degree in co-relation 8427. Up to 196 conditions per place. [2021-12-06 23:17:04,321 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 66 selfloop transitions, 90 changer transitions 0/534 dead transitions. [2021-12-06 23:17:04,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 534 transitions, 3058 flow [2021-12-06 23:17:04,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-12-06 23:17:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-12-06 23:17:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 26001 transitions. [2021-12-06 23:17:04,336 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9472131147540983 [2021-12-06 23:17:04,336 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 26001 transitions. [2021-12-06 23:17:04,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 26001 transitions. [2021-12-06 23:17:04,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:17:04,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 26001 transitions. [2021-12-06 23:17:04,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 288.9) internal successors, (26001), 90 states have internal predecessors, (26001), 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) [2021-12-06 23:17:04,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 305.0) internal successors, (27755), 91 states have internal predecessors, (27755), 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) [2021-12-06 23:17:04,386 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 305.0) internal successors, (27755), 91 states have internal predecessors, (27755), 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) [2021-12-06 23:17:04,386 INFO L186 Difference]: Start difference. First operand has 384 places, 433 transitions, 1972 flow. Second operand 90 states and 26001 transitions. [2021-12-06 23:17:04,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 534 transitions, 3058 flow [2021-12-06 23:17:04,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 534 transitions, 3058 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:17:04,404 INFO L242 Difference]: Finished difference. Result has 489 places, 479 transitions, 2626 flow [2021-12-06 23:17:04,405 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1972, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=2626, PETRI_PLACES=489, PETRI_TRANSITIONS=479} [2021-12-06 23:17:04,405 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 193 predicate places. [2021-12-06 23:17:04,405 INFO L470 AbstractCegarLoop]: Abstraction has has 489 places, 479 transitions, 2626 flow [2021-12-06 23:17:04,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 289.4918032786885) internal successors, (17659), 61 states have internal predecessors, (17659), 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) [2021-12-06 23:17:04,406 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:17:04,407 INFO L254 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:17:04,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 23:17:04,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 23:17:04,609 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:17:04,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:17:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1204668865, now seen corresponding path program 2 times [2021-12-06 23:17:04,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:17:04,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807661486] [2021-12-06 23:17:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:17:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:17:04,837 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:17:04,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604831479] [2021-12-06 23:17:04,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:17:04,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:17:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:04,838 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:17:04,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 23:17:05,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:17:05,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:17:05,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:17:05,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:17:07,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:17:07,097 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:17:07,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:17:07,114 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:17:07,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:17:07,141 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:17:07,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:17:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39616 trivial. 0 not checked. [2021-12-06 23:17:07,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:17:07,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:17:07,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807661486] [2021-12-06 23:17:07,164 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:17:07,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604831479] [2021-12-06 23:17:07,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604831479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:17:07,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:17:07,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:17:07,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422922954] [2021-12-06 23:17:07,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:17:07,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:17:07,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:17:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:17:07,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:17:07,167 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-12-06 23:17:07,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 479 transitions, 2626 flow. Second operand has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-12-06 23:17:07,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:17:07,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-12-06 23:17:07,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:17:17,681 INFO L129 PetriNetUnfolder]: 2129/11345 cut-off events. [2021-12-06 23:17:17,681 INFO L130 PetriNetUnfolder]: For 7941/7967 co-relation queries the response was YES. [2021-12-06 23:17:17,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23747 conditions, 11345 events. 2129/11345 cut-off events. For 7941/7967 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 46882 event pairs, 758 based on Foata normal form. 3/10861 useless extension candidates. Maximal degree in co-relation 18807. Up to 5537 conditions per place. [2021-12-06 23:17:17,744 INFO L132 encePairwiseOnDemand]: 294/305 looper letters, 306 selfloop transitions, 79 changer transitions 0/657 dead transitions. [2021-12-06 23:17:17,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 657 transitions, 4384 flow [2021-12-06 23:17:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:17:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:17:17,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1285 transitions. [2021-12-06 23:17:17,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7021857923497268 [2021-12-06 23:17:17,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1285 transitions. [2021-12-06 23:17:17,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1285 transitions. [2021-12-06 23:17:17,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:17:17,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1285 transitions. [2021-12-06 23:17:17,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.16666666666666) internal successors, (1285), 6 states have internal predecessors, (1285), 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) [2021-12-06 23:17:17,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:17:17,749 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:17:17,750 INFO L186 Difference]: Start difference. First operand has 489 places, 479 transitions, 2626 flow. Second operand 6 states and 1285 transitions. [2021-12-06 23:17:17,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 657 transitions, 4384 flow [2021-12-06 23:17:17,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 657 transitions, 4266 flow, removed 17 selfloop flow, removed 42 redundant places. [2021-12-06 23:17:17,783 INFO L242 Difference]: Finished difference. Result has 457 places, 544 transitions, 3406 flow [2021-12-06 23:17:17,783 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=2508, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3406, PETRI_PLACES=457, PETRI_TRANSITIONS=544} [2021-12-06 23:17:17,784 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 161 predicate places. [2021-12-06 23:17:17,784 INFO L470 AbstractCegarLoop]: Abstraction has has 457 places, 544 transitions, 3406 flow [2021-12-06 23:17:17,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-12-06 23:17:17,784 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:17:17,785 INFO L254 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:17:17,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-06 23:17:17,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 23:17:17,987 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:17:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:17:17,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1012139581, now seen corresponding path program 1 times [2021-12-06 23:17:17,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:17:17,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835943829] [2021-12-06 23:17:17,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:17:17,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:17:18,218 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:17:18,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256149693] [2021-12-06 23:17:18,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:17:18,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:17:18,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:18,220 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:17:18,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-06 23:17:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:17:19,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 11375 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:17:19,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:17:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-12-06 23:17:22,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:17:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-12-06 23:17:26,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:17:26,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835943829] [2021-12-06 23:17:26,414 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:17:26,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256149693] [2021-12-06 23:17:26,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256149693] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:17:26,414 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:17:26,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 23:17:26,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090773735] [2021-12-06 23:17:26,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:17:26,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:17:26,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:17:26,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:17:26,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:17:26,420 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 305 [2021-12-06 23:17:26,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 544 transitions, 3406 flow. Second operand has 8 states, 8 states have (on average 286.75) internal successors, (2294), 8 states have internal predecessors, (2294), 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) [2021-12-06 23:17:26,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:17:26,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 305 [2021-12-06 23:17:26,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:17:38,643 INFO L129 PetriNetUnfolder]: 370/10472 cut-off events. [2021-12-06 23:17:38,644 INFO L130 PetriNetUnfolder]: For 7025/7197 co-relation queries the response was YES. [2021-12-06 23:17:38,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15339 conditions, 10472 events. 370/10472 cut-off events. For 7025/7197 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 16894 event pairs, 15 based on Foata normal form. 65/10372 useless extension candidates. Maximal degree in co-relation 12190. Up to 248 conditions per place. [2021-12-06 23:17:38,683 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 21 selfloop transitions, 9 changer transitions 0/560 dead transitions. [2021-12-06 23:17:38,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 560 transitions, 3500 flow [2021-12-06 23:17:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:17:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:17:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2588 transitions. [2021-12-06 23:17:38,686 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9428051001821494 [2021-12-06 23:17:38,686 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2588 transitions. [2021-12-06 23:17:38,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2588 transitions. [2021-12-06 23:17:38,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:17:38,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2588 transitions. [2021-12-06 23:17:38,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 287.55555555555554) internal successors, (2588), 9 states have internal predecessors, (2588), 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) [2021-12-06 23:17:38,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:17:38,690 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-12-06 23:17:38,690 INFO L186 Difference]: Start difference. First operand has 457 places, 544 transitions, 3406 flow. Second operand 9 states and 2588 transitions. [2021-12-06 23:17:38,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 560 transitions, 3500 flow [2021-12-06 23:17:38,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 560 transitions, 3500 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:17:38,726 INFO L242 Difference]: Finished difference. Result has 468 places, 550 transitions, 3456 flow [2021-12-06 23:17:38,726 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3456, PETRI_PLACES=468, PETRI_TRANSITIONS=550} [2021-12-06 23:17:38,726 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 172 predicate places. [2021-12-06 23:17:38,726 INFO L470 AbstractCegarLoop]: Abstraction has has 468 places, 550 transitions, 3456 flow [2021-12-06 23:17:38,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 286.75) internal successors, (2294), 8 states have internal predecessors, (2294), 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) [2021-12-06 23:17:38,727 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:17:38,730 INFO L254 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:17:38,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-06 23:17:38,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:17:38,931 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:17:38,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:17:38,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1510080909, now seen corresponding path program 2 times [2021-12-06 23:17:38,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:17:38,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070610333] [2021-12-06 23:17:38,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:17:38,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:17:39,541 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:17:39,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205167802] [2021-12-06 23:17:39,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:17:39,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:17:39,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:39,543 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:17:39,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-06 23:17:41,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:17:41,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:17:41,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:17:41,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:17:46,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:17:46,067 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:17:46,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:17:46,086 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:17:46,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:17:46,115 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:17:46,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:17:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364812 trivial. 0 not checked. [2021-12-06 23:17:46,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:17:46,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:17:46,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070610333] [2021-12-06 23:17:46,142 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:17:46,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205167802] [2021-12-06 23:17:46,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205167802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:17:46,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:17:46,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:17:46,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835372848] [2021-12-06 23:17:46,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:17:46,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:17:46,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:17:46,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:17:46,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:17:46,149 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 305 [2021-12-06 23:17:46,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 550 transitions, 3456 flow. Second operand has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 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) [2021-12-06 23:17:46,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:17:46,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 305 [2021-12-06 23:17:46,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:18:16,316 INFO L129 PetriNetUnfolder]: 2466/15200 cut-off events. [2021-12-06 23:18:16,317 INFO L130 PetriNetUnfolder]: For 12057/12166 co-relation queries the response was YES. [2021-12-06 23:18:16,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32104 conditions, 15200 events. 2466/15200 cut-off events. For 12057/12166 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 57049 event pairs, 1026 based on Foata normal form. 44/14727 useless extension candidates. Maximal degree in co-relation 21145. Up to 7978 conditions per place. [2021-12-06 23:18:16,406 INFO L132 encePairwiseOnDemand]: 282/305 looper letters, 273 selfloop transitions, 125 changer transitions 0/674 dead transitions. [2021-12-06 23:18:16,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 674 transitions, 4844 flow [2021-12-06 23:18:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:18:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:18:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2021-12-06 23:18:16,408 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6983606557377049 [2021-12-06 23:18:16,408 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2021-12-06 23:18:16,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2021-12-06 23:18:16,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:18:16,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2021-12-06 23:18:16,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 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) [2021-12-06 23:18:16,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:18:16,410 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:18:16,410 INFO L186 Difference]: Start difference. First operand has 468 places, 550 transitions, 3456 flow. Second operand 6 states and 1278 transitions. [2021-12-06 23:18:16,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 674 transitions, 4844 flow [2021-12-06 23:18:16,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 674 transitions, 4838 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 23:18:16,458 INFO L242 Difference]: Finished difference. Result has 477 places, 636 transitions, 4478 flow [2021-12-06 23:18:16,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=3450, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4478, PETRI_PLACES=477, PETRI_TRANSITIONS=636} [2021-12-06 23:18:16,459 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 181 predicate places. [2021-12-06 23:18:16,459 INFO L470 AbstractCegarLoop]: Abstraction has has 477 places, 636 transitions, 4478 flow [2021-12-06 23:18:16,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 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) [2021-12-06 23:18:16,459 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:18:16,462 INFO L254 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:18:16,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-06 23:18:16,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:18:16,664 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting gErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:18:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:18:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1962657642, now seen corresponding path program 1 times [2021-12-06 23:18:16,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:18:16,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124044186] [2021-12-06 23:18:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:18:16,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:18:17,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:18:17,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236835976] [2021-12-06 23:18:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:18:17,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:18:17,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:18:17,412 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:18:17,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-06 23:18:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:18:22,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 33743 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:18:22,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:18:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 245967 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2021-12-06 23:18:33,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:18:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 245967 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2021-12-06 23:18:47,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:18:47,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124044186] [2021-12-06 23:18:47,440 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:18:47,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236835976] [2021-12-06 23:18:47,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236835976] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:18:47,440 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:18:47,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 23:18:47,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104011749] [2021-12-06 23:18:47,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:18:47,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 23:18:47,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:18:47,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 23:18:47,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:18:47,454 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 305 [2021-12-06 23:18:47,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 636 transitions, 4478 flow. Second operand has 16 states, 16 states have (on average 287.4375) internal successors, (4599), 16 states have internal predecessors, (4599), 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) [2021-12-06 23:18:47,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:18:47,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 305 [2021-12-06 23:18:47,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:19:40,595 INFO L129 PetriNetUnfolder]: 615/22146 cut-off events. [2021-12-06 23:19:40,595 INFO L130 PetriNetUnfolder]: For 14881/15146 co-relation queries the response was YES. [2021-12-06 23:19:40,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31873 conditions, 22146 events. 615/22146 cut-off events. For 14881/15146 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 22624 event pairs, 22 based on Foata normal form. 76/22043 useless extension candidates. Maximal degree in co-relation 28331. Up to 421 conditions per place. [2021-12-06 23:19:40,710 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 41 selfloop transitions, 21 changer transitions 0/678 dead transitions. [2021-12-06 23:19:40,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 678 transitions, 4738 flow [2021-12-06 23:19:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 23:19:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 23:19:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6030 transitions. [2021-12-06 23:19:40,715 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9414519906323185 [2021-12-06 23:19:40,715 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6030 transitions. [2021-12-06 23:19:40,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6030 transitions. [2021-12-06 23:19:40,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:19:40,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6030 transitions. [2021-12-06 23:19:40,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 287.14285714285717) internal successors, (6030), 21 states have internal predecessors, (6030), 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) [2021-12-06 23:19:40,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-12-06 23:19:40,723 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-12-06 23:19:40,723 INFO L186 Difference]: Start difference. First operand has 477 places, 636 transitions, 4478 flow. Second operand 21 states and 6030 transitions. [2021-12-06 23:19:40,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 678 transitions, 4738 flow [2021-12-06 23:19:40,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 678 transitions, 4618 flow, removed 60 selfloop flow, removed 0 redundant places. [2021-12-06 23:19:40,782 INFO L242 Difference]: Finished difference. Result has 502 places, 649 transitions, 4488 flow [2021-12-06 23:19:40,783 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=4358, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4488, PETRI_PLACES=502, PETRI_TRANSITIONS=649} [2021-12-06 23:19:40,783 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 206 predicate places. [2021-12-06 23:19:40,784 INFO L470 AbstractCegarLoop]: Abstraction has has 502 places, 649 transitions, 4488 flow [2021-12-06 23:19:40,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 287.4375) internal successors, (4599), 16 states have internal predecessors, (4599), 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) [2021-12-06 23:19:40,784 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:19:40,791 INFO L254 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:19:40,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-06 23:19:40,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:19:40,992 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting gErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:19:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:19:41,006 INFO L85 PathProgramCache]: Analyzing trace with hash -79278282, now seen corresponding path program 2 times [2021-12-06 23:19:41,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:19:41,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421862825] [2021-12-06 23:19:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:19:41,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:19:42,450 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:19:42,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827721614] [2021-12-06 23:19:42,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:19:42,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:19:42,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:19:42,451 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:19:42,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-06 23:19:46,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:19:46,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:19:46,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:19:47,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:19:57,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 23:19:57,689 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:19:57,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 23:19:57,706 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:19:57,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 23:19:57,732 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:19:57,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 23:19:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1999060 trivial. 0 not checked. [2021-12-06 23:19:57,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:19:57,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:19:57,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421862825] [2021-12-06 23:19:57,800 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:19:57,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827721614] [2021-12-06 23:19:57,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827721614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:19:57,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:19:57,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:19:57,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089278160] [2021-12-06 23:19:57,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:19:57,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:19:57,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:19:57,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:19:57,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:19:57,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 305 [2021-12-06 23:19:57,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 649 transitions, 4488 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2021-12-06 23:19:57,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:19:57,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 305 [2021-12-06 23:19:57,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:21:57,611 INFO L129 PetriNetUnfolder]: 2677/26690 cut-off events. [2021-12-06 23:21:57,611 INFO L130 PetriNetUnfolder]: For 21557/21637 co-relation queries the response was YES. [2021-12-06 23:21:57,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54252 conditions, 26690 events. 2677/26690 cut-off events. For 21557/21637 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 61526 event pairs, 1000 based on Foata normal form. 0/26210 useless extension candidates. Maximal degree in co-relation 43923. Up to 13197 conditions per place. [2021-12-06 23:21:57,827 INFO L132 encePairwiseOnDemand]: 282/305 looper letters, 346 selfloop transitions, 140 changer transitions 0/776 dead transitions. [2021-12-06 23:21:57,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 776 transitions, 6178 flow [2021-12-06 23:21:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:21:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:21:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1274 transitions. [2021-12-06 23:21:57,829 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6961748633879782 [2021-12-06 23:21:57,829 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1274 transitions. [2021-12-06 23:21:57,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1274 transitions. [2021-12-06 23:21:57,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:21:57,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1274 transitions. [2021-12-06 23:21:57,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.33333333333334) internal successors, (1274), 6 states have internal predecessors, (1274), 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) [2021-12-06 23:21:57,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:21:57,832 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-12-06 23:21:57,832 INFO L186 Difference]: Start difference. First operand has 502 places, 649 transitions, 4488 flow. Second operand 6 states and 1274 transitions. [2021-12-06 23:21:57,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 776 transitions, 6178 flow [2021-12-06 23:21:57,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 776 transitions, 6154 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 23:21:57,935 INFO L242 Difference]: Finished difference. Result has 506 places, 741 transitions, 5678 flow [2021-12-06 23:21:57,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=4464, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5678, PETRI_PLACES=506, PETRI_TRANSITIONS=741} [2021-12-06 23:21:57,936 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 210 predicate places. [2021-12-06 23:21:57,936 INFO L470 AbstractCegarLoop]: Abstraction has has 506 places, 741 transitions, 5678 flow [2021-12-06 23:21:57,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2021-12-06 23:21:57,936 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:21:57,942 INFO L254 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:21:57,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-12-06 23:21:58,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:21:58,144 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:21:58,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:21:58,147 INFO L85 PathProgramCache]: Analyzing trace with hash -2120858898, now seen corresponding path program 1 times [2021-12-06 23:21:58,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:21:58,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028880615] [2021-12-06 23:21:58,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:21:58,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:21:59,782 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:21:59,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62940578] [2021-12-06 23:21:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:21:59,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:21:59,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:21:59,784 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:21:59,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-06 23:22:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:22:14,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 78426 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 23:22:14,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:22:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 1721755 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2021-12-06 23:22:39,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:23:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 1721755 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2021-12-06 23:23:13,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:13,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028880615] [2021-12-06 23:23:13,782 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:23:13,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62940578] [2021-12-06 23:23:13,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62940578] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:23:13,783 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:23:13,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2021-12-06 23:23:13,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495994150] [2021-12-06 23:23:13,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:23:13,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 23:23:13,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 23:23:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-12-06 23:23:13,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 305 [2021-12-06 23:23:13,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 741 transitions, 5678 flow. Second operand has 21 states, 21 states have (on average 287.7142857142857) internal successors, (6042), 21 states have internal predecessors, (6042), 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) [2021-12-06 23:23:13,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:13,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 305 [2021-12-06 23:23:13,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:25:00,111 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([722] L1033-9-->L1033-10: Formula: (= |v_#race_21| (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet16#1_3|))) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet16#1=|v_fThread1of1ForFork0_#t~nondet16#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet16#1=|v_fThread1of1ForFork0_#t~nondet16#1_3|} AuxVars[] AssignedVars[#race][741], [4154#true, 17174#true, 8436#true, Black: 5318#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5604#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 5095#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5329#(< |ULTIMATE.start_main_~j~2#1| 29), 260#L1033-10true, Black: 17155#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 17167#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 12830#true, Black: 17163#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 10735#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17159#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 11835#(< |ULTIMATE.start_main_~j~2#1| 25), 2136#true, Black: 11560#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 12110#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 10477#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 11285#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 11010#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 10724#(< |ULTIMATE.start_main_~j~2#1| 30), 76458#true, Black: 51447#true, Black: 76451#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 184663#true, Black: 76447#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76443#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|)), Black: 2714#(< |ULTIMATE.start_main_~j~2#1| 30), gThread1of1ForFork1InUse, Black: 2527#(<= |ULTIMATE.start_main_~j~2#1| 1), fThread1of1ForFork0InUse, Black: 4139#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4147#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4143#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4135#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), 34525#true, 6288#true, 184#L1070-4true, Black: 317#(= |ULTIMATE.start_main_~i~0#1| 0), 126538#true, Black: 22809#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 101637#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 24734#(< |ULTIMATE.start_main_~j~2#1| 18), Black: 22259#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 101330#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 21709#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 101648#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 21415#(<= |ULTIMATE.start_main_~j~2#1| 15), Black: 109924#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 23359#(< |ULTIMATE.start_main_~j~2#1| 23), Black: 23909#(< |ULTIMATE.start_main_~j~2#1| 21), Black: 23084#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 23634#(< |ULTIMATE.start_main_~j~2#1| 22), Black: 24459#(< |ULTIMATE.start_main_~j~2#1| 19), Black: 25009#(< |ULTIMATE.start_main_~j~2#1| 17), Black: 24184#(< |ULTIMATE.start_main_~j~2#1| 20), Black: 184656#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 22534#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 184648#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 21984#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 21698#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 184652#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 184644#(= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34506#(= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34510#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0)), Black: 34518#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), Black: 34514#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), 3116#true, Black: 8429#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8417#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 496#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 8425#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8421#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 43116#(< |ULTIMATE.start_main_~i~0#1| 10), 26068#true, Black: 42845#(<= |ULTIMATE.start_main_~i~0#1| 1), 76439#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|), 464#(= |ULTIMATE.start_new_~p~0#1.offset| 0), 129#L1053-6true]) [2021-12-06 23:25:00,111 INFO L384 tUnfolder$Statistics]: this new event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,111 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,111 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,111 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,202 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L1053-9-->L1053-10: Formula: (= |v_#race_51| (store |v_#race_52| |v_gThread1of1ForFork1_~pos~1#1.base_25| (store (select |v_#race_52| |v_gThread1of1ForFork1_~pos~1#1.base_25|) |v_gThread1of1ForFork1_~pos~1#1.offset_25| |v_gThread1of1ForFork1_#t~nondet24#1_3|))) InVars {#race=|v_#race_52|, gThread1of1ForFork1_#t~nondet24#1=|v_gThread1of1ForFork1_#t~nondet24#1_3|, gThread1of1ForFork1_~pos~1#1.offset=|v_gThread1of1ForFork1_~pos~1#1.offset_25|, gThread1of1ForFork1_~pos~1#1.base=|v_gThread1of1ForFork1_~pos~1#1.base_25|} OutVars{#race=|v_#race_51|, gThread1of1ForFork1_#t~nondet24#1=|v_gThread1of1ForFork1_#t~nondet24#1_3|, gThread1of1ForFork1_~pos~1#1.offset=|v_gThread1of1ForFork1_~pos~1#1.offset_25|, gThread1of1ForFork1_~pos~1#1.base=|v_gThread1of1ForFork1_~pos~1#1.base_25|} AuxVars[] AssignedVars[#race][738], [4154#true, 17174#true, 51447#true, 8436#true, 91#L1053-10true, Black: 5318#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5604#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 5095#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5329#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17155#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 17167#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 17163#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 12830#true, Black: 10735#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17159#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 11835#(< |ULTIMATE.start_main_~j~2#1| 25), 2136#true, Black: 11560#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 12110#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 10477#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 11285#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 11010#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 10724#(< |ULTIMATE.start_main_~j~2#1| 30), 76458#true, 26#L1033-6true, Black: 76451#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76439#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|), 184663#true, Black: 76447#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76443#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|)), Black: 2714#(< |ULTIMATE.start_main_~j~2#1| 30), gThread1of1ForFork1InUse, Black: 2527#(<= |ULTIMATE.start_main_~j~2#1| 1), fThread1of1ForFork0InUse, Black: 4139#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4147#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4143#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4135#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), 34525#true, 6288#true, 184#L1070-4true, Black: 317#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 22809#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 101637#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 24734#(< |ULTIMATE.start_main_~j~2#1| 18), Black: 22259#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 101330#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 21709#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 101648#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 21415#(<= |ULTIMATE.start_main_~j~2#1| 15), Black: 109924#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 23359#(< |ULTIMATE.start_main_~j~2#1| 23), Black: 23909#(< |ULTIMATE.start_main_~j~2#1| 21), Black: 23084#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 23634#(< |ULTIMATE.start_main_~j~2#1| 22), Black: 24459#(< |ULTIMATE.start_main_~j~2#1| 19), Black: 25009#(< |ULTIMATE.start_main_~j~2#1| 17), Black: 24184#(< |ULTIMATE.start_main_~j~2#1| 20), Black: 184656#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 184648#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 22534#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 21984#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 21698#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 126538#true, Black: 184652#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 34506#(= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34510#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0)), 184644#(= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34518#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), Black: 34514#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), 3116#true, Black: 8429#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8417#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 496#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 8425#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8421#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 43116#(< |ULTIMATE.start_main_~i~0#1| 10), 26068#true, Black: 42845#(<= |ULTIMATE.start_main_~i~0#1| 1), 464#(= |ULTIMATE.start_new_~p~0#1.offset| 0)]) [2021-12-06 23:25:00,202 INFO L384 tUnfolder$Statistics]: this new event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,202 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,202 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:00,203 INFO L387 tUnfolder$Statistics]: existing Event has 27701 ancestors and is cut-off event [2021-12-06 23:25:01,381 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L1053-9-->L1053-10: Formula: (= |v_#race_51| (store |v_#race_52| |v_gThread1of1ForFork1_~pos~1#1.base_25| (store (select |v_#race_52| |v_gThread1of1ForFork1_~pos~1#1.base_25|) |v_gThread1of1ForFork1_~pos~1#1.offset_25| |v_gThread1of1ForFork1_#t~nondet24#1_3|))) InVars {#race=|v_#race_52|, gThread1of1ForFork1_#t~nondet24#1=|v_gThread1of1ForFork1_#t~nondet24#1_3|, gThread1of1ForFork1_~pos~1#1.offset=|v_gThread1of1ForFork1_~pos~1#1.offset_25|, gThread1of1ForFork1_~pos~1#1.base=|v_gThread1of1ForFork1_~pos~1#1.base_25|} OutVars{#race=|v_#race_51|, gThread1of1ForFork1_#t~nondet24#1=|v_gThread1of1ForFork1_#t~nondet24#1_3|, gThread1of1ForFork1_~pos~1#1.offset=|v_gThread1of1ForFork1_~pos~1#1.offset_25|, gThread1of1ForFork1_~pos~1#1.base=|v_gThread1of1ForFork1_~pos~1#1.base_25|} AuxVars[] AssignedVars[#race][575], [4154#true, 17174#true, 51447#true, 8436#true, 91#L1053-10true, Black: 5318#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5604#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 5095#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5329#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17155#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 17167#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 12830#true, Black: 17163#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 10735#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17159#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 11835#(< |ULTIMATE.start_main_~j~2#1| 25), 2136#true, Black: 11560#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 12110#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 10477#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 11285#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 11010#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 10724#(< |ULTIMATE.start_main_~j~2#1| 30), 76458#true, Black: 76451#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76439#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|), 184663#true, Black: 76447#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76443#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|)), Black: 2714#(< |ULTIMATE.start_main_~j~2#1| 30), gThread1of1ForFork1InUse, Black: 2527#(<= |ULTIMATE.start_main_~j~2#1| 1), fThread1of1ForFork0InUse, Black: 4139#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4147#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4143#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4135#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), 34525#true, 6288#true, 184#L1070-4true, Black: 317#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 22809#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 101637#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 24734#(< |ULTIMATE.start_main_~j~2#1| 18), Black: 22259#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 101330#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 21709#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 101648#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 21415#(<= |ULTIMATE.start_main_~j~2#1| 15), Black: 109924#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 23359#(< |ULTIMATE.start_main_~j~2#1| 23), Black: 23909#(< |ULTIMATE.start_main_~j~2#1| 21), Black: 23084#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 23634#(< |ULTIMATE.start_main_~j~2#1| 22), Black: 24459#(< |ULTIMATE.start_main_~j~2#1| 19), Black: 25009#(< |ULTIMATE.start_main_~j~2#1| 17), Black: 24184#(< |ULTIMATE.start_main_~j~2#1| 20), Black: 184656#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 22534#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 184648#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 21984#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 21698#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 126538#true, Black: 184652#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 34506#(= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34510#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0)), 184644#(= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34518#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), Black: 34514#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), 3116#true, 224#L1030-6true, Black: 8429#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8417#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 496#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 8425#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8421#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 43116#(< |ULTIMATE.start_main_~i~0#1| 10), 26068#true, Black: 42845#(<= |ULTIMATE.start_main_~i~0#1| 1), 464#(= |ULTIMATE.start_new_~p~0#1.offset| 0)]) [2021-12-06 23:25:01,381 INFO L384 tUnfolder$Statistics]: this new event has 27708 ancestors and is cut-off event [2021-12-06 23:25:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 27708 ancestors and is cut-off event [2021-12-06 23:25:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 27691 ancestors and is cut-off event [2021-12-06 23:25:01,381 INFO L387 tUnfolder$Statistics]: existing Event has 27691 ancestors and is cut-off event [2021-12-06 23:25:01,462 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([722] L1033-9-->L1033-10: Formula: (= |v_#race_21| (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet16#1_3|))) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet16#1=|v_fThread1of1ForFork0_#t~nondet16#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet16#1=|v_fThread1of1ForFork0_#t~nondet16#1_3|} AuxVars[] AssignedVars[#race][573], [4154#true, 17174#true, 8436#true, Black: 5318#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5604#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 5095#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5329#(< |ULTIMATE.start_main_~j~2#1| 29), 260#L1033-10true, Black: 17155#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 17167#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 12830#true, Black: 17163#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 10735#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17159#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 11835#(< |ULTIMATE.start_main_~j~2#1| 25), 2136#true, Black: 11560#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 12110#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 10477#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 11285#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 11010#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 10724#(< |ULTIMATE.start_main_~j~2#1| 30), 76458#true, Black: 51447#true, Black: 76451#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 184663#true, Black: 76447#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|) (= |fThread1of1ForFork0_#t~nondet16#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), Black: 76443#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet16#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|)), Black: 2714#(< |ULTIMATE.start_main_~j~2#1| 30), gThread1of1ForFork1InUse, Black: 2527#(<= |ULTIMATE.start_main_~j~2#1| 1), fThread1of1ForFork0InUse, Black: 4139#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4147#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4143#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 4135#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), 34525#true, 6288#true, 184#L1070-4true, 126538#true, Black: 317#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 22809#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 101637#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 24734#(< |ULTIMATE.start_main_~j~2#1| 18), Black: 22259#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 101330#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 21709#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 101648#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 21415#(<= |ULTIMATE.start_main_~j~2#1| 15), Black: 109924#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 23359#(< |ULTIMATE.start_main_~j~2#1| 23), Black: 23909#(< |ULTIMATE.start_main_~j~2#1| 21), Black: 23084#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 23634#(< |ULTIMATE.start_main_~j~2#1| 22), Black: 24459#(< |ULTIMATE.start_main_~j~2#1| 19), Black: 25009#(< |ULTIMATE.start_main_~j~2#1| 17), Black: 24184#(< |ULTIMATE.start_main_~j~2#1| 20), Black: 184656#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 184648#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 22534#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 21984#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 21698#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 184652#(and (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) |gThread1of1ForFork1_#t~nondet24#1|) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) |gThread1of1ForFork1_#t~nondet24#1|) (= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|))), Black: 184644#(= |gThread1of1ForFork1_#t~nondet24#1| (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34506#(= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)), Black: 34510#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0)), Black: 34518#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 3))) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), Black: 34514#(and (= 0 (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) |gThread1of1ForFork1_~pos~1#1.offset|)) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ |gThread1of1ForFork1_~pos~1#1.offset| 1)) 0) (= (select (select |#race| |gThread1of1ForFork1_~pos~1#1.base|) (+ 2 |gThread1of1ForFork1_~pos~1#1.offset|)) 0)), 3116#true, 266#L1050-6true, Black: 8429#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8417#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 496#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 8425#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 8421#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork1_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 43116#(< |ULTIMATE.start_main_~i~0#1| 10), 26068#true, Black: 42845#(<= |ULTIMATE.start_main_~i~0#1| 1), 76439#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet16#1|), 464#(= |ULTIMATE.start_new_~p~0#1.offset| 0)]) [2021-12-06 23:25:01,462 INFO L384 tUnfolder$Statistics]: this new event has 27708 ancestors and is cut-off event [2021-12-06 23:25:01,462 INFO L387 tUnfolder$Statistics]: existing Event has 27708 ancestors and is cut-off event [2021-12-06 23:25:01,463 INFO L387 tUnfolder$Statistics]: existing Event has 27691 ancestors and is cut-off event [2021-12-06 23:25:01,463 INFO L387 tUnfolder$Statistics]: existing Event has 27691 ancestors and is cut-off event [2021-12-06 23:25:03,760 INFO L129 PetriNetUnfolder]: 882/31062 cut-off events. [2021-12-06 23:25:03,760 INFO L130 PetriNetUnfolder]: For 23851/24285 co-relation queries the response was YES. [2021-12-06 23:25:03,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45326 conditions, 31062 events. 882/31062 cut-off events. For 23851/24285 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28268 event pairs, 32 based on Foata normal form. 102/30979 useless extension candidates. Maximal degree in co-relation 40610. Up to 601 conditions per place. [2021-12-06 23:25:03,979 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 56 selfloop transitions, 30 changer transitions 0/794 dead transitions. [2021-12-06 23:25:03,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 794 transitions, 6044 flow [2021-12-06 23:25:03,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 23:25:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-06 23:25:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8609 transitions. [2021-12-06 23:25:04,031 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9408743169398908 [2021-12-06 23:25:04,031 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 8609 transitions. [2021-12-06 23:25:04,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 8609 transitions. [2021-12-06 23:25:04,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:25:04,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 8609 transitions. [2021-12-06 23:25:04,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 286.96666666666664) internal successors, (8609), 30 states have internal predecessors, (8609), 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) [2021-12-06 23:25:04,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 305.0) internal successors, (9455), 31 states have internal predecessors, (9455), 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) [2021-12-06 23:25:04,043 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 305.0) internal successors, (9455), 31 states have internal predecessors, (9455), 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) [2021-12-06 23:25:04,043 INFO L186 Difference]: Start difference. First operand has 506 places, 741 transitions, 5678 flow. Second operand 30 states and 8609 transitions. [2021-12-06 23:25:04,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 794 transitions, 6044 flow [2021-12-06 23:25:04,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 794 transitions, 5894 flow, removed 75 selfloop flow, removed 0 redundant places. [2021-12-06 23:25:04,132 INFO L242 Difference]: Finished difference. Result has 539 places, 751 transitions, 5680 flow [2021-12-06 23:25:04,133 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=5528, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=741, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=5680, PETRI_PLACES=539, PETRI_TRANSITIONS=751} [2021-12-06 23:25:04,133 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 243 predicate places. [2021-12-06 23:25:04,134 INFO L470 AbstractCegarLoop]: Abstraction has has 539 places, 751 transitions, 5680 flow [2021-12-06 23:25:04,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 287.7142857142857) internal successors, (6042), 21 states have internal predecessors, (6042), 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) [2021-12-06 23:25:04,134 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:25:04,136 INFO L254 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:25:04,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-12-06 23:25:04,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:25:04,337 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-06 23:25:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:25:04,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1389963766, now seen corresponding path program 2 times [2021-12-06 23:25:04,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:25:04,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888203540] [2021-12-06 23:25:04,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:25:04,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:25:06,388 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:25:06,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087498141] [2021-12-06 23:25:06,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:25:06,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:25:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:25:06,390 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:25:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816de5f3-c0b5-4d1d-9b21-77ff07f75bd4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-06 23:25:14,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:25:14,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:25:14,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:25:14,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:25:28,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 23:25:28,370 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 23:25:28,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 23:25:28,388 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 23:25:28,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 23:25:28,417 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 23:25:28,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-12-06 23:25:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4085620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4085620 trivial. 0 not checked. [2021-12-06 23:25:28,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:25:28,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:25:28,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888203540] [2021-12-06 23:25:28,523 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:25:28,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087498141] [2021-12-06 23:25:28,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087498141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:25:28,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:25:28,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:25:28,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432185942] [2021-12-06 23:25:28,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:25:28,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:25:28,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:25:28,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:25:28,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:25:28,535 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-12-06 23:25:28,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 751 transitions, 5680 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 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) [2021-12-06 23:25:28,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:25:28,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-12-06 23:25:28,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand