./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0 --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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:03:31,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:03:31,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:03:32,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:03:32,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:03:32,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:03:32,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:03:32,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:03:32,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:03:32,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:03:32,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:03:32,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:03:32,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:03:32,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:03:32,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:03:32,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:03:32,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:03:32,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:03:32,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:03:32,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:03:32,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:03:32,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:03:32,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:03:32,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:03:32,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:03:32,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:03:32,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:03:32,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:03:32,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:03:32,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:03:32,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:03:32,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:03:32,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:03:32,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:03:32,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:03:32,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:03:32,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:03:32,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:03:32,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:03:32,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:03:32,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:03:32,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-22 16:03:32,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:03:32,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:03:32,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:03:32,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:03:32,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 16:03:32,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 16:03:32,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:03:32,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:03:32,159 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:03:32,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:03:32,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:03:32,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:03:32,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:03:32,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:03:32,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:03:32,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:03:32,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:03:32,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:03:32,162 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-22 16:03:32,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:03:32,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:03:32,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:03:32,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:03:32,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:03:32,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:03:32,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:03:32,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:03:32,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:03:32,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:03:32,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:03:32,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:03:32,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:03:32,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:03:32,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:03:32,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:03:32,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:03:32,167 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_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2021-11-22 16:03:32,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:03:32,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:03:32,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:03:32,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:03:32,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:03:32,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2021-11-22 16:03:32,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/data/4005efb9b/e81e3114d1e945e58f8e348cd452239c/FLAGeb2465af1 [2021-11-22 16:03:33,254 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:03:33,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2021-11-22 16:03:33,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/data/4005efb9b/e81e3114d1e945e58f8e348cd452239c/FLAGeb2465af1 [2021-11-22 16:03:33,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/data/4005efb9b/e81e3114d1e945e58f8e348cd452239c [2021-11-22 16:03:33,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:03:33,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:03:33,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:03:33,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:03:33,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:03:33,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:03:33" (1/1) ... [2021-11-22 16:03:33,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281ad33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:33, skipping insertion in model container [2021-11-22 16:03:33,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:03:33" (1/1) ... [2021-11-22 16:03:33,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:03:33,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:03:34,171 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,175 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,178 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,181 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:03:34,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:03:34,299 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,300 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,301 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,302 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-22 16:03:34,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:03:34,407 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:03:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34 WrapperNode [2021-11-22 16:03:34,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:03:34,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:03:34,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:03:34,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:03:34,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,501 INFO L137 Inliner]: procedures = 273, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 256 [2021-11-22 16:03:34,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:03:34,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:03:34,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:03:34,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:03:34,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:03:34,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:03:34,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:03:34,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:03:34,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (1/1) ... [2021-11-22 16:03:34,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:03:34,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:34,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:03:34,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:03:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-22 16:03:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:03:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 16:03:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 16:03:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:03:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 16:03:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:03:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:03:34,702 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 16:03:34,936 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:03:34,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:03:35,505 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:03:35,515 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:03:35,516 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 16:03:35,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:35 BoogieIcfgContainer [2021-11-22 16:03:35,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:03:35,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:03:35,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:03:35,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:03:35,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:03:33" (1/3) ... [2021-11-22 16:03:35,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d84126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:35, skipping insertion in model container [2021-11-22 16:03:35,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:34" (2/3) ... [2021-11-22 16:03:35,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d84126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:35, skipping insertion in model container [2021-11-22 16:03:35,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:35" (3/3) ... [2021-11-22 16:03:35,528 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2021-11-22 16:03:35,534 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 16:03:35,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:03:35,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-11-22 16:03:35,535 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 16:03:35,589 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,589 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,589 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,590 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,590 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,590 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,591 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,591 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,591 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,591 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,592 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,592 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,592 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,593 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,593 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,593 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,593 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,594 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,594 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,594 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,594 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,595 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,595 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,595 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,596 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,596 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,596 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,596 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,597 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,597 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,597 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,597 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,598 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,598 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,598 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,598 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,599 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,599 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,599 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,599 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,600 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,600 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,600 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,600 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,601 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,601 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,601 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,601 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,602 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,602 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,602 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,602 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,603 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,603 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,603 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,604 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,604 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,604 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,604 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,605 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,605 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,605 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,605 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,606 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,606 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,606 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,606 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,607 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,607 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,607 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,607 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,608 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,608 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,609 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,609 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,609 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,609 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,610 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,610 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,610 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,610 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,611 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,611 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,611 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,611 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,611 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,612 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,612 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,612 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,612 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,613 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,613 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,613 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,613 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,614 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,614 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,614 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,614 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,614 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,615 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,615 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,615 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,615 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,616 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,616 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,616 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,616 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,617 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,617 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,617 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,617 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,617 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,618 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,618 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,618 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,618 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,619 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,619 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,619 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,619 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,619 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,620 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,620 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,620 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,620 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,621 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,621 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,621 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,621 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,621 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,622 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,622 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,622 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,622 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,623 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,623 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,623 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,623 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,624 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,624 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,624 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,624 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,625 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,625 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,625 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,626 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,626 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,626 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,626 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,627 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,627 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,627 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,627 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,628 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,628 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,628 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,628 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,629 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,629 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,629 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,629 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,630 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,630 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,630 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,630 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,631 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,631 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,631 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,631 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,632 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,632 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,632 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,632 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,632 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,633 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,633 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,633 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,633 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,634 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,634 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,634 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,634 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,634 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,635 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,635 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,635 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,635 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,636 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,636 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,636 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,636 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,637 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,637 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,637 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,637 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,637 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,638 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,638 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,638 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,638 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,639 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,639 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,639 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,639 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,639 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,640 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,640 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,640 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,640 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,641 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,641 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,641 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,641 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,642 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,642 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,642 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,642 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,643 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,643 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,643 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,643 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,643 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,644 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,644 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,644 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,644 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,645 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,645 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,645 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,645 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,646 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,646 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,646 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,647 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,647 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,647 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,647 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,647 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,648 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,648 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,648 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,648 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,648 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,649 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,649 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,649 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,649 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,649 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,650 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,650 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,650 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,650 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,651 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,651 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,652 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,652 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,652 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,653 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,653 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,653 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,653 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,653 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,654 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,654 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,654 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,654 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,655 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,655 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,655 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,655 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,655 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,656 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,656 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,656 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,656 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,657 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,657 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,657 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,657 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,657 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,658 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,658 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,658 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,658 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,659 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,659 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,659 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,659 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,660 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,660 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,660 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,660 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,660 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,661 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,661 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,661 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,661 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,662 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,662 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,662 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,662 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,662 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,663 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,663 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,663 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,663 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,664 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,664 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,664 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,664 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,665 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,665 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,665 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,665 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,666 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,666 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,666 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,666 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,667 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,667 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,667 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,667 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,668 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,668 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,668 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,668 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,669 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,669 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,669 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,669 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,670 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,670 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,670 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,670 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,671 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,671 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,671 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,671 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,671 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,672 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,672 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,672 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,672 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,672 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,673 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,673 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,673 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,673 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,677 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,677 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,677 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,677 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,688 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,688 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,688 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,688 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,696 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,696 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,696 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,696 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,697 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,703 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,703 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,703 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,703 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,703 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,704 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,704 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,704 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,704 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,704 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,705 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,705 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,705 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,705 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,705 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,706 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,707 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,707 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,707 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,707 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,707 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,710 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,717 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,722 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,722 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,722 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:35,723 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-22 16:03:35,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:03:35,786 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 16:03:35,787 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-22 16:03:35,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 373 transitions, 756 flow [2021-11-22 16:03:35,938 INFO L129 PetriNetUnfolder]: 17/371 cut-off events. [2021-11-22 16:03:35,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 16:03:35,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 371 events. 17/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 790 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2021-11-22 16:03:35,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 373 transitions, 756 flow [2021-11-22 16:03:35,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 361 places, 371 transitions, 748 flow [2021-11-22 16:03:35,967 INFO L129 PetriNetUnfolder]: 1/53 cut-off events. [2021-11-22 16:03:35,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 16:03:35,967 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:35,968 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] [2021-11-22 16:03:35,968 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash 820184857, now seen corresponding path program 1 times [2021-11-22 16:03:35,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:35,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799017049] [2021-11-22 16:03:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:35,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:36,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:36,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799017049] [2021-11-22 16:03:36,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799017049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:36,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:36,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:36,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873215676] [2021-11-22 16:03:36,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:36,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:36,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:36,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:36,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:36,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 373 [2021-11-22 16:03:36,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 371 transitions, 748 flow. Second operand has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:36,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:36,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 373 [2021-11-22 16:03:36,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:37,581 INFO L129 PetriNetUnfolder]: 745/2684 cut-off events. [2021-11-22 16:03:37,581 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-11-22 16:03:37,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4200 conditions, 2684 events. 745/2684 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 17384 event pairs, 600 based on Foata normal form. 249/2557 useless extension candidates. Maximal degree in co-relation 3898. Up to 1451 conditions per place. [2021-11-22 16:03:37,618 INFO L132 encePairwiseOnDemand]: 351/373 looper letters, 122 selfloop transitions, 10 changer transitions 2/359 dead transitions. [2021-11-22 16:03:37,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 359 transitions, 988 flow [2021-11-22 16:03:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1518 transitions. [2021-11-22 16:03:37,647 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.67828418230563 [2021-11-22 16:03:37,648 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1518 transitions. [2021-11-22 16:03:37,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1518 transitions. [2021-11-22 16:03:37,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:37,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1518 transitions. [2021-11-22 16:03:37,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:37,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:37,681 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:37,683 INFO L186 Difference]: Start difference. First operand has 361 places, 371 transitions, 748 flow. Second operand 6 states and 1518 transitions. [2021-11-22 16:03:37,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 359 transitions, 988 flow [2021-11-22 16:03:37,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 359 transitions, 986 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-22 16:03:37,703 INFO L242 Difference]: Finished difference. Result has 362 places, 357 transitions, 738 flow [2021-11-22 16:03:37,706 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=738, PETRI_PLACES=362, PETRI_TRANSITIONS=357} [2021-11-22 16:03:37,711 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2021-11-22 16:03:37,711 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 357 transitions, 738 flow [2021-11-22 16:03:37,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:37,713 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:37,713 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] [2021-11-22 16:03:37,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:03:37,714 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1529770307, now seen corresponding path program 1 times [2021-11-22 16:03:37,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:37,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879826094] [2021-11-22 16:03:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:37,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:37,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:37,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879826094] [2021-11-22 16:03:37,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879826094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:37,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:37,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:37,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624366368] [2021-11-22 16:03:37,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:37,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:37,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:37,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:37,908 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 373 [2021-11-22 16:03:37,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 357 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 231.5) internal successors, (1389), 6 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:37,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:37,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 373 [2021-11-22 16:03:37,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:38,988 INFO L129 PetriNetUnfolder]: 745/2680 cut-off events. [2021-11-22 16:03:38,989 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-22 16:03:39,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4203 conditions, 2680 events. 745/2680 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 17375 event pairs, 600 based on Foata normal form. 0/2308 useless extension candidates. Maximal degree in co-relation 4007. Up to 1449 conditions per place. [2021-11-22 16:03:39,025 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 120 selfloop transitions, 10 changer transitions 0/355 dead transitions. [2021-11-22 16:03:39,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 994 flow [2021-11-22 16:03:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1506 transitions. [2021-11-22 16:03:39,032 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6729222520107239 [2021-11-22 16:03:39,032 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1506 transitions. [2021-11-22 16:03:39,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1506 transitions. [2021-11-22 16:03:39,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:39,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1506 transitions. [2021-11-22 16:03:39,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,049 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,049 INFO L186 Difference]: Start difference. First operand has 362 places, 357 transitions, 738 flow. Second operand 6 states and 1506 transitions. [2021-11-22 16:03:39,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 994 flow [2021-11-22 16:03:39,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 355 transitions, 974 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:39,062 INFO L242 Difference]: Finished difference. Result has 358 places, 355 transitions, 734 flow [2021-11-22 16:03:39,063 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=355} [2021-11-22 16:03:39,064 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2021-11-22 16:03:39,065 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 355 transitions, 734 flow [2021-11-22 16:03:39,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.5) internal successors, (1389), 6 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:39,066 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] [2021-11-22 16:03:39,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:03:39,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1576819396, now seen corresponding path program 1 times [2021-11-22 16:03:39,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:39,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534680749] [2021-11-22 16:03:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:39,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:39,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:39,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534680749] [2021-11-22 16:03:39,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534680749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:39,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:39,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:03:39,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406586471] [2021-11-22 16:03:39,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:39,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:03:39,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:39,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:03:39,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:03:39,178 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 373 [2021-11-22 16:03:39,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 355 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:39,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 373 [2021-11-22 16:03:39,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:39,355 INFO L129 PetriNetUnfolder]: 8/479 cut-off events. [2021-11-22 16:03:39,355 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 16:03:39,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 479 events. 8/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1325 event pairs, 0 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 278. Up to 13 conditions per place. [2021-11-22 16:03:39,360 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 17 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2021-11-22 16:03:39,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 362 transitions, 786 flow [2021-11-22 16:03:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:03:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 16:03:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1073 transitions. [2021-11-22 16:03:39,365 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9588918677390528 [2021-11-22 16:03:39,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1073 transitions. [2021-11-22 16:03:39,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1073 transitions. [2021-11-22 16:03:39,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:39,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1073 transitions. [2021-11-22 16:03:39,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,376 INFO L186 Difference]: Start difference. First operand has 358 places, 355 transitions, 734 flow. Second operand 3 states and 1073 transitions. [2021-11-22 16:03:39,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 362 transitions, 786 flow [2021-11-22 16:03:39,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 362 transitions, 766 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:39,387 INFO L242 Difference]: Finished difference. Result has 356 places, 356 transitions, 726 flow [2021-11-22 16:03:39,388 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=356, PETRI_TRANSITIONS=356} [2021-11-22 16:03:39,389 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -5 predicate places. [2021-11-22 16:03:39,389 INFO L470 AbstractCegarLoop]: Abstraction has has 356 places, 356 transitions, 726 flow [2021-11-22 16:03:39,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:39,391 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] [2021-11-22 16:03:39,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:03:39,392 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1755133368, now seen corresponding path program 1 times [2021-11-22 16:03:39,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:39,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649449784] [2021-11-22 16:03:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:39,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:39,416 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:39,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834766553] [2021-11-22 16:03:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:39,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:39,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:39,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:03:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:39,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 16:03:39,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:39,723 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 [2021-11-22 16:03:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-11-22 16:03:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,808 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 16:03:39,809 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 [2021-11-22 16:03:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:03:39,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 16:03:39,861 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 [2021-11-22 16:03:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:39,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:39,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:39,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649449784] [2021-11-22 16:03:39,896 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:39,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834766553] [2021-11-22 16:03:39,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834766553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:39,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:39,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:03:39,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314741503] [2021-11-22 16:03:39,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:39,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:03:39,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:39,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:03:39,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:03:39,904 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 373 [2021-11-22 16:03:39,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 356 transitions, 726 flow. Second operand has 8 states, 8 states have (on average 234.625) internal successors, (1877), 8 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:39,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:39,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 373 [2021-11-22 16:03:39,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:41,873 INFO L129 PetriNetUnfolder]: 1491/5379 cut-off events. [2021-11-22 16:03:41,873 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 16:03:41,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8416 conditions, 5379 events. 1491/5379 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 36347 event pairs, 1200 based on Foata normal form. 0/4641 useless extension candidates. Maximal degree in co-relation 4178. Up to 1492 conditions per place. [2021-11-22 16:03:41,935 INFO L132 encePairwiseOnDemand]: 363/373 looper letters, 190 selfloop transitions, 9 changer transitions 0/428 dead transitions. [2021-11-22 16:03:41,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 428 transitions, 1272 flow [2021-11-22 16:03:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:03:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 16:03:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2288 transitions. [2021-11-22 16:03:41,946 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6815609174858505 [2021-11-22 16:03:41,947 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2288 transitions. [2021-11-22 16:03:41,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2288 transitions. [2021-11-22 16:03:41,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:41,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2288 transitions. [2021-11-22 16:03:41,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.22222222222223) internal successors, (2288), 9 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:41,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:41,971 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:41,971 INFO L186 Difference]: Start difference. First operand has 356 places, 356 transitions, 726 flow. Second operand 9 states and 2288 transitions. [2021-11-22 16:03:41,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 428 transitions, 1272 flow [2021-11-22 16:03:41,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 428 transitions, 1270 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:03:41,984 INFO L242 Difference]: Finished difference. Result has 363 places, 356 transitions, 748 flow [2021-11-22 16:03:41,985 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=748, PETRI_PLACES=363, PETRI_TRANSITIONS=356} [2021-11-22 16:03:41,986 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 2 predicate places. [2021-11-22 16:03:41,987 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 356 transitions, 748 flow [2021-11-22 16:03:41,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 234.625) internal successors, (1877), 8 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:41,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:41,988 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] [2021-11-22 16:03:42,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:42,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:42,211 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:42,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 842792516, now seen corresponding path program 1 times [2021-11-22 16:03:42,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:42,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754065902] [2021-11-22 16:03:42,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:42,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:42,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:42,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754065902] [2021-11-22 16:03:42,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754065902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:42,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:42,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:03:42,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052872425] [2021-11-22 16:03:42,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:42,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:03:42,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:42,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:03:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:03:42,278 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 373 [2021-11-22 16:03:42,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 356 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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) [2021-11-22 16:03:42,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:42,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 373 [2021-11-22 16:03:42,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:42,437 INFO L129 PetriNetUnfolder]: 8/667 cut-off events. [2021-11-22 16:03:42,438 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-22 16:03:42,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 667 events. 8/667 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1314 event pairs, 0 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 342. Up to 16 conditions per place. [2021-11-22 16:03:42,447 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 11 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2021-11-22 16:03:42,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 360 transitions, 782 flow [2021-11-22 16:03:42,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:03:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 16:03:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1076 transitions. [2021-11-22 16:03:42,452 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9615728328865059 [2021-11-22 16:03:42,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1076 transitions. [2021-11-22 16:03:42,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1076 transitions. [2021-11-22 16:03:42,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:42,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1076 transitions. [2021-11-22 16:03:42,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:42,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:42,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:42,462 INFO L186 Difference]: Start difference. First operand has 363 places, 356 transitions, 748 flow. Second operand 3 states and 1076 transitions. [2021-11-22 16:03:42,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 360 transitions, 782 flow [2021-11-22 16:03:42,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 360 transitions, 768 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-22 16:03:42,479 INFO L242 Difference]: Finished difference. Result has 359 places, 357 transitions, 746 flow [2021-11-22 16:03:42,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2021-11-22 16:03:42,482 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2021-11-22 16:03:42,483 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 746 flow [2021-11-22 16:03:42,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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) [2021-11-22 16:03:42,484 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:42,484 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] [2021-11-22 16:03:42,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:03:42,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:42,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2082943886, now seen corresponding path program 1 times [2021-11-22 16:03:42,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:42,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815177060] [2021-11-22 16:03:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:42,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:42,529 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:42,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375030389] [2021-11-22 16:03:42,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:42,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:42,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:42,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 16:03:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:42,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:42,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:42,818 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 [2021-11-22 16:03:42,849 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-22 16:03:42,849 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 [2021-11-22 16:03:42,894 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 16:03:42,895 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 30 treesize of output 32 [2021-11-22 16:03:42,969 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 16:03:42,969 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 [2021-11-22 16:03:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:43,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:43,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:43,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815177060] [2021-11-22 16:03:43,001 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:43,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375030389] [2021-11-22 16:03:43,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375030389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:43,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:43,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:43,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933762031] [2021-11-22 16:03:43,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:43,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:43,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:43,008 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 373 [2021-11-22 16:03:43,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 746 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:43,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:43,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 373 [2021-11-22 16:03:43,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:44,065 INFO L129 PetriNetUnfolder]: 746/2988 cut-off events. [2021-11-22 16:03:44,065 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-22 16:03:44,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4682 conditions, 2988 events. 746/2988 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18456 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4167. Up to 1587 conditions per place. [2021-11-22 16:03:44,099 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2021-11-22 16:03:44,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 356 transitions, 986 flow [2021-11-22 16:03:44,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1538 transitions. [2021-11-22 16:03:44,106 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6872207327971404 [2021-11-22 16:03:44,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1538 transitions. [2021-11-22 16:03:44,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1538 transitions. [2021-11-22 16:03:44,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:44,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1538 transitions. [2021-11-22 16:03:44,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.3333333333333) internal successors, (1538), 6 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:44,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:44,120 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:44,120 INFO L186 Difference]: Start difference. First operand has 359 places, 357 transitions, 746 flow. Second operand 6 states and 1538 transitions. [2021-11-22 16:03:44,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 356 transitions, 986 flow [2021-11-22 16:03:44,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 356 transitions, 984 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:03:44,131 INFO L242 Difference]: Finished difference. Result has 362 places, 356 transitions, 752 flow [2021-11-22 16:03:44,132 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=752, PETRI_PLACES=362, PETRI_TRANSITIONS=356} [2021-11-22 16:03:44,133 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2021-11-22 16:03:44,133 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 356 transitions, 752 flow [2021-11-22 16:03:44,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:44,134 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:44,134 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:03:44,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:44,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:44,350 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:44,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:44,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1982239298, now seen corresponding path program 1 times [2021-11-22 16:03:44,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:44,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671306300] [2021-11-22 16:03:44,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:44,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:44,367 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:44,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093436802] [2021-11-22 16:03:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:44,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:44,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:44,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:44,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 16:03:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:44,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:44,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:44,667 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 [2021-11-22 16:03:44,690 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 16:03:44,691 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 [2021-11-22 16:03:44,730 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-22 16:03:44,730 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 [2021-11-22 16:03:44,801 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-22 16:03:44,801 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 [2021-11-22 16:03:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:44,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:44,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:44,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671306300] [2021-11-22 16:03:44,828 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:44,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093436802] [2021-11-22 16:03:44,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093436802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:44,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:44,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:44,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777996797] [2021-11-22 16:03:44,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:44,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:44,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:44,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:44,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:44,837 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 373 [2021-11-22 16:03:44,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 356 transitions, 752 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:44,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:44,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 373 [2021-11-22 16:03:44,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:45,968 INFO L129 PetriNetUnfolder]: 746/2984 cut-off events. [2021-11-22 16:03:45,969 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-22 16:03:45,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2984 events. 746/2984 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18443 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4216. Up to 1587 conditions per place. [2021-11-22 16:03:46,010 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/355 dead transitions. [2021-11-22 16:03:46,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 355 transitions, 992 flow [2021-11-22 16:03:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1532 transitions. [2021-11-22 16:03:46,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6845397676496873 [2021-11-22 16:03:46,018 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1532 transitions. [2021-11-22 16:03:46,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1532 transitions. [2021-11-22 16:03:46,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:46,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1532 transitions. [2021-11-22 16:03:46,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:46,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:46,032 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:46,032 INFO L186 Difference]: Start difference. First operand has 362 places, 356 transitions, 752 flow. Second operand 6 states and 1532 transitions. [2021-11-22 16:03:46,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 355 transitions, 992 flow [2021-11-22 16:03:46,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 355 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:46,045 INFO L242 Difference]: Finished difference. Result has 361 places, 355 transitions, 750 flow [2021-11-22 16:03:46,046 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=750, PETRI_PLACES=361, PETRI_TRANSITIONS=355} [2021-11-22 16:03:46,048 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2021-11-22 16:03:46,048 INFO L470 AbstractCegarLoop]: Abstraction has has 361 places, 355 transitions, 750 flow [2021-11-22 16:03:46,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:46,049 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:46,049 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] [2021-11-22 16:03:46,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:46,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:46,256 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:46,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:46,257 INFO L85 PathProgramCache]: Analyzing trace with hash -276700611, now seen corresponding path program 1 times [2021-11-22 16:03:46,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:46,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797442167] [2021-11-22 16:03:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:46,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:46,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:46,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621134071] [2021-11-22 16:03:46,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:46,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:46,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:46,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:46,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 16:03:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:46,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:46,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:46,632 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 [2021-11-22 16:03:46,656 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-22 16:03:46,656 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 [2021-11-22 16:03:46,696 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 16:03:46,696 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 [2021-11-22 16:03:46,756 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 16:03:46,756 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 [2021-11-22 16:03:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:46,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:46,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:46,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797442167] [2021-11-22 16:03:46,782 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:46,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621134071] [2021-11-22 16:03:46,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621134071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:46,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:46,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:46,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351372876] [2021-11-22 16:03:46,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:46,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:46,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:46,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:46,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:46,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-11-22 16:03:46,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 355 transitions, 750 flow. Second operand has 6 states, 6 states have (on average 240.5) internal successors, (1443), 6 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:46,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:46,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-11-22 16:03:46,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:47,410 INFO L129 PetriNetUnfolder]: 746/2980 cut-off events. [2021-11-22 16:03:47,410 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-22 16:03:47,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2980 events. 746/2980 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18416 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4240. Up to 1591 conditions per place. [2021-11-22 16:03:47,442 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 117 selfloop transitions, 5 changer transitions 0/354 dead transitions. [2021-11-22 16:03:47,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 354 transitions, 992 flow [2021-11-22 16:03:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1521 transitions. [2021-11-22 16:03:47,449 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6796246648793566 [2021-11-22 16:03:47,449 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1521 transitions. [2021-11-22 16:03:47,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1521 transitions. [2021-11-22 16:03:47,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:47,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1521 transitions. [2021-11-22 16:03:47,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.5) internal successors, (1521), 6 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:47,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:47,464 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:47,464 INFO L186 Difference]: Start difference. First operand has 361 places, 355 transitions, 750 flow. Second operand 6 states and 1521 transitions. [2021-11-22 16:03:47,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 354 transitions, 992 flow [2021-11-22 16:03:47,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 354 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:47,475 INFO L242 Difference]: Finished difference. Result has 360 places, 354 transitions, 748 flow [2021-11-22 16:03:47,476 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=748, PETRI_PLACES=360, PETRI_TRANSITIONS=354} [2021-11-22 16:03:47,476 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2021-11-22 16:03:47,477 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 354 transitions, 748 flow [2021-11-22 16:03:47,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.5) internal successors, (1443), 6 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:47,478 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:47,478 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] [2021-11-22 16:03:47,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:47,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:47,699 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:47,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2037532335, now seen corresponding path program 1 times [2021-11-22 16:03:47,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:47,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372114212] [2021-11-22 16:03:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:47,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:47,726 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:47,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088890494] [2021-11-22 16:03:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:47,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:47,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:47,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:47,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 16:03:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:47,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:47,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:48,066 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 [2021-11-22 16:03:48,085 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 16:03:48,085 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 [2021-11-22 16:03:48,137 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-22 16:03:48,137 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 [2021-11-22 16:03:48,194 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-22 16:03:48,195 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 [2021-11-22 16:03:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:48,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:48,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:48,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372114212] [2021-11-22 16:03:48,221 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:48,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088890494] [2021-11-22 16:03:48,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088890494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:48,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:48,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:48,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721876320] [2021-11-22 16:03:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:48,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:48,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:48,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:48,227 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-11-22 16:03:48,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 354 transitions, 748 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:48,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:48,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-11-22 16:03:48,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:49,115 INFO L129 PetriNetUnfolder]: 746/2976 cut-off events. [2021-11-22 16:03:49,115 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-22 16:03:49,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4688 conditions, 2976 events. 746/2976 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18378 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4252. Up to 1587 conditions per place. [2021-11-22 16:03:49,141 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2021-11-22 16:03:49,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 353 transitions, 988 flow [2021-11-22 16:03:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions. [2021-11-22 16:03:49,147 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6791778373547811 [2021-11-22 16:03:49,147 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions. [2021-11-22 16:03:49,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions. [2021-11-22 16:03:49,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:49,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions. [2021-11-22 16:03:49,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:49,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:49,159 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:49,159 INFO L186 Difference]: Start difference. First operand has 360 places, 354 transitions, 748 flow. Second operand 6 states and 1520 transitions. [2021-11-22 16:03:49,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 353 transitions, 988 flow [2021-11-22 16:03:49,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 353 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:49,169 INFO L242 Difference]: Finished difference. Result has 359 places, 353 transitions, 746 flow [2021-11-22 16:03:49,170 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=746, PETRI_PLACES=359, PETRI_TRANSITIONS=353} [2021-11-22 16:03:49,170 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2021-11-22 16:03:49,171 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 353 transitions, 746 flow [2021-11-22 16:03:49,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:49,171 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:49,172 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] [2021-11-22 16:03:49,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:49,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:49,386 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:49,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:49,387 INFO L85 PathProgramCache]: Analyzing trace with hash -458131675, now seen corresponding path program 1 times [2021-11-22 16:03:49,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:49,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807616776] [2021-11-22 16:03:49,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:49,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:49,399 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:49,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323795769] [2021-11-22 16:03:49,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:49,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:49,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:49,401 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 16:03:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:49,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:49,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:49,714 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 [2021-11-22 16:03:49,740 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-22 16:03:49,740 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 [2021-11-22 16:03:49,779 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 16:03:49,779 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 [2021-11-22 16:03:49,832 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 16:03:49,833 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 [2021-11-22 16:03:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:49,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:49,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:49,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807616776] [2021-11-22 16:03:49,855 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:49,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323795769] [2021-11-22 16:03:49,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323795769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:49,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:49,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:49,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321682680] [2021-11-22 16:03:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:49,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:49,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:49,859 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 373 [2021-11-22 16:03:49,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 353 transitions, 746 flow. Second operand has 6 states, 6 states have (on average 243.33333333333334) internal successors, (1460), 6 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:49,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:49,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 373 [2021-11-22 16:03:49,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:50,523 INFO L129 PetriNetUnfolder]: 746/2972 cut-off events. [2021-11-22 16:03:50,523 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-22 16:03:50,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4676 conditions, 2972 events. 746/2972 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18305 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4262. Up to 1579 conditions per place. [2021-11-22 16:03:50,551 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 114 selfloop transitions, 5 changer transitions 0/352 dead transitions. [2021-11-22 16:03:50,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 352 transitions, 982 flow [2021-11-22 16:03:50,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1524 transitions. [2021-11-22 16:03:50,558 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6809651474530831 [2021-11-22 16:03:50,558 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1524 transitions. [2021-11-22 16:03:50,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1524 transitions. [2021-11-22 16:03:50,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:50,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1524 transitions. [2021-11-22 16:03:50,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:50,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:50,570 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:50,570 INFO L186 Difference]: Start difference. First operand has 359 places, 353 transitions, 746 flow. Second operand 6 states and 1524 transitions. [2021-11-22 16:03:50,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 352 transitions, 982 flow [2021-11-22 16:03:50,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 352 transitions, 972 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:50,580 INFO L242 Difference]: Finished difference. Result has 358 places, 352 transitions, 744 flow [2021-11-22 16:03:50,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=744, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2021-11-22 16:03:50,582 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2021-11-22 16:03:50,582 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 744 flow [2021-11-22 16:03:50,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 243.33333333333334) internal successors, (1460), 6 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:50,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:50,583 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:03:50,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:50,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 16:03:50,798 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:50,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1700938237, now seen corresponding path program 1 times [2021-11-22 16:03:50,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:50,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485787957] [2021-11-22 16:03:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:50,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:50,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:50,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606032940] [2021-11-22 16:03:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:50,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:50,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:50,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:50,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 16:03:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:50,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:03:50,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:51,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:03:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:51,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:51,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485787957] [2021-11-22 16:03:51,534 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:51,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606032940] [2021-11-22 16:03:51,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606032940] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:03:51,535 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:03:51,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-22 16:03:51,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780099763] [2021-11-22 16:03:51,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 16:03:51,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:03:51,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:03:51,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:03:51,540 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-11-22 16:03:51,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 744 flow. Second operand has 8 states, 8 states have (on average 354.875) internal successors, (2839), 8 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:51,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:51,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-11-22 16:03:51,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:51,747 INFO L129 PetriNetUnfolder]: 8/833 cut-off events. [2021-11-22 16:03:51,747 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-22 16:03:51,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 833 events. 8/833 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 718 event pairs, 0 based on Foata normal form. 4/820 useless extension candidates. Maximal degree in co-relation 351. Up to 13 conditions per place. [2021-11-22 16:03:51,751 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 12 selfloop transitions, 9 changer transitions 0/362 dead transitions. [2021-11-22 16:03:51,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 362 transitions, 808 flow [2021-11-22 16:03:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:03:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 16:03:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3200 transitions. [2021-11-22 16:03:51,762 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532320524277629 [2021-11-22 16:03:51,762 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3200 transitions. [2021-11-22 16:03:51,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3200 transitions. [2021-11-22 16:03:51,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:51,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3200 transitions. [2021-11-22 16:03:51,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 355.55555555555554) internal successors, (3200), 9 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:51,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:51,782 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:51,782 INFO L186 Difference]: Start difference. First operand has 358 places, 352 transitions, 744 flow. Second operand 9 states and 3200 transitions. [2021-11-22 16:03:51,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 362 transitions, 808 flow [2021-11-22 16:03:51,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 362 transitions, 798 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-22 16:03:51,791 INFO L242 Difference]: Finished difference. Result has 364 places, 358 transitions, 784 flow [2021-11-22 16:03:51,792 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=784, PETRI_PLACES=364, PETRI_TRANSITIONS=358} [2021-11-22 16:03:51,792 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 3 predicate places. [2021-11-22 16:03:51,793 INFO L470 AbstractCegarLoop]: Abstraction has has 364 places, 358 transitions, 784 flow [2021-11-22 16:03:51,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 354.875) internal successors, (2839), 8 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:51,794 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:51,794 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] [2021-11-22 16:03:51,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:52,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-22 16:03:52,010 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1935750755, now seen corresponding path program 2 times [2021-11-22 16:03:52,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:52,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219805059] [2021-11-22 16:03:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:52,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:52,023 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:52,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886808665] [2021-11-22 16:03:52,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:03:52,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:52,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:52,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 16:03:52,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 16:03:52,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:03:52,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:52,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:52,538 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 [2021-11-22 16:03:52,556 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-22 16:03:52,556 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 [2021-11-22 16:03:52,595 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-22 16:03:52,596 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 [2021-11-22 16:03:52,644 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-22 16:03:52,644 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 [2021-11-22 16:03:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-11-22 16:03:52,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:52,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:52,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219805059] [2021-11-22 16:03:52,664 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:52,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886808665] [2021-11-22 16:03:52,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886808665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:52,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:52,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:52,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542071467] [2021-11-22 16:03:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:52,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:52,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:52,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:52,669 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 373 [2021-11-22 16:03:52,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 358 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:52,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:52,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 373 [2021-11-22 16:03:52,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:54,036 INFO L129 PetriNetUnfolder]: 1419/4575 cut-off events. [2021-11-22 16:03:54,037 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-11-22 16:03:54,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7713 conditions, 4575 events. 1419/4575 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 29955 event pairs, 744 based on Foata normal form. 0/3993 useless extension candidates. Maximal degree in co-relation 7057. Up to 2267 conditions per place. [2021-11-22 16:03:54,079 INFO L132 encePairwiseOnDemand]: 366/373 looper letters, 164 selfloop transitions, 6 changer transitions 0/395 dead transitions. [2021-11-22 16:03:54,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 395 transitions, 1202 flow [2021-11-22 16:03:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:03:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:03:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1491 transitions. [2021-11-22 16:03:54,086 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6662198391420912 [2021-11-22 16:03:54,086 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1491 transitions. [2021-11-22 16:03:54,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1491 transitions. [2021-11-22 16:03:54,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:54,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1491 transitions. [2021-11-22 16:03:54,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:54,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:54,099 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:54,099 INFO L186 Difference]: Start difference. First operand has 364 places, 358 transitions, 784 flow. Second operand 6 states and 1491 transitions. [2021-11-22 16:03:54,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 395 transitions, 1202 flow [2021-11-22 16:03:54,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 395 transitions, 1196 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-11-22 16:03:54,113 INFO L242 Difference]: Finished difference. Result has 368 places, 359 transitions, 799 flow [2021-11-22 16:03:54,114 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=368, PETRI_TRANSITIONS=359} [2021-11-22 16:03:54,115 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 7 predicate places. [2021-11-22 16:03:54,115 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 359 transitions, 799 flow [2021-11-22 16:03:54,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:54,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:54,117 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] [2021-11-22 16:03:54,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:54,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-22 16:03:54,335 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 497639369, now seen corresponding path program 1 times [2021-11-22 16:03:54,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:54,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908861042] [2021-11-22 16:03:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:54,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:54,354 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:54,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081453563] [2021-11-22 16:03:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:54,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:54,356 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:54,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 16:03:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:54,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 16:03:54,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:55,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:03:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:56,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:56,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908861042] [2021-11-22 16:03:56,202 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:56,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081453563] [2021-11-22 16:03:56,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081453563] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:03:56,203 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:03:56,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-22 16:03:56,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115410795] [2021-11-22 16:03:56,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 16:03:56,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 16:03:56,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:56,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 16:03:56,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-22 16:03:56,214 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-11-22 16:03:56,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 359 transitions, 799 flow. Second operand has 16 states, 16 states have (on average 355.1875) internal successors, (5683), 16 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:56,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:56,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-11-22 16:03:56,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:56,866 INFO L129 PetriNetUnfolder]: 14/1727 cut-off events. [2021-11-22 16:03:56,867 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-11-22 16:03:56,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1991 conditions, 1727 events. 14/1727 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1659 event pairs, 0 based on Foata normal form. 8/1703 useless extension candidates. Maximal degree in co-relation 1751. Up to 29 conditions per place. [2021-11-22 16:03:56,871 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 20 selfloop transitions, 21 changer transitions 0/383 dead transitions. [2021-11-22 16:03:56,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 981 flow [2021-11-22 16:03:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 16:03:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-22 16:03:56,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 7458 transitions. [2021-11-22 16:03:56,892 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9521256223669092 [2021-11-22 16:03:56,892 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 7458 transitions. [2021-11-22 16:03:56,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 7458 transitions. [2021-11-22 16:03:56,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:56,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 7458 transitions. [2021-11-22 16:03:56,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 355.14285714285717) internal successors, (7458), 21 states have internal predecessors, (7458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:56,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:56,935 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:56,936 INFO L186 Difference]: Start difference. First operand has 368 places, 359 transitions, 799 flow. Second operand 21 states and 7458 transitions. [2021-11-22 16:03:56,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 981 flow [2021-11-22 16:03:56,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 383 transitions, 972 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 16:03:56,946 INFO L242 Difference]: Finished difference. Result has 389 places, 372 transitions, 920 flow [2021-11-22 16:03:56,946 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=920, PETRI_PLACES=389, PETRI_TRANSITIONS=372} [2021-11-22 16:03:56,947 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 28 predicate places. [2021-11-22 16:03:56,947 INFO L470 AbstractCegarLoop]: Abstraction has has 389 places, 372 transitions, 920 flow [2021-11-22 16:03:56,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 355.1875) internal successors, (5683), 16 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:56,949 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:56,950 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] [2021-11-22 16:03:56,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-22 16:03:57,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 16:03:57,178 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:03:57,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1300461815, now seen corresponding path program 2 times [2021-11-22 16:03:57,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:57,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834245909] [2021-11-22 16:03:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:57,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:57,212 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:03:57,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214710117] [2021-11-22 16:03:57,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:03:57,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:03:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:57,214 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:03:57,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-22 16:03:57,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 16:03:57,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:03:57,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:03:57,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:03:58,237 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 [2021-11-22 16:03:58,255 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-22 16:03:58,256 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 [2021-11-22 16:03:58,301 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-22 16:03:58,301 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 [2021-11-22 16:03:58,352 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-22 16:03:58,352 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 [2021-11-22 16:03:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2021-11-22 16:03:58,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:03:58,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:58,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834245909] [2021-11-22 16:03:58,374 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:03:58,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214710117] [2021-11-22 16:03:58,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214710117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:58,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:58,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:03:58,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380555832] [2021-11-22 16:03:58,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:58,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:58,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:58,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:58,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:58,378 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 373 [2021-11-22 16:03:58,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 372 transitions, 920 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:58,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:58,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 373 [2021-11-22 16:03:58,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:04:01,830 INFO L129 PetriNetUnfolder]: 1802/6396 cut-off events. [2021-11-22 16:04:01,830 INFO L130 PetriNetUnfolder]: For 222/222 co-relation queries the response was YES. [2021-11-22 16:04:01,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10914 conditions, 6396 events. 1802/6396 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 41079 event pairs, 1470 based on Foata normal form. 0/5662 useless extension candidates. Maximal degree in co-relation 9638. Up to 3323 conditions per place. [2021-11-22 16:04:01,990 INFO L132 encePairwiseOnDemand]: 366/373 looper letters, 165 selfloop transitions, 6 changer transitions 0/409 dead transitions. [2021-11-22 16:04:01,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 409 transitions, 1344 flow [2021-11-22 16:04:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:04:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1490 transitions. [2021-11-22 16:04:01,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6657730116175157 [2021-11-22 16:04:01,998 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1490 transitions. [2021-11-22 16:04:01,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1490 transitions. [2021-11-22 16:04:02,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:04:02,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1490 transitions. [2021-11-22 16:04:02,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:02,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:02,011 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:02,011 INFO L186 Difference]: Start difference. First operand has 389 places, 372 transitions, 920 flow. Second operand 6 states and 1490 transitions. [2021-11-22 16:04:02,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 409 transitions, 1344 flow [2021-11-22 16:04:02,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 409 transitions, 1320 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-11-22 16:04:02,026 INFO L242 Difference]: Finished difference. Result has 388 places, 373 transitions, 921 flow [2021-11-22 16:04:02,027 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=921, PETRI_PLACES=388, PETRI_TRANSITIONS=373} [2021-11-22 16:04:02,028 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 27 predicate places. [2021-11-22 16:04:02,028 INFO L470 AbstractCegarLoop]: Abstraction has has 388 places, 373 transitions, 921 flow [2021-11-22 16:04:02,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:02,029 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:04:02,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:02,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-22 16:04:02,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:02,258 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:04:02,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:02,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1562674956, now seen corresponding path program 1 times [2021-11-22 16:04:02,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:02,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765229379] [2021-11-22 16:04:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:02,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:02,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:04:02,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498784036] [2021-11-22 16:04:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:02,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:02,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:02,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:04:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-22 16:04:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:02,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 16:04:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:04:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:04,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:04:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:06,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:06,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765229379] [2021-11-22 16:04:06,137 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:04:06,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498784036] [2021-11-22 16:04:06,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498784036] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:04:06,137 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:04:06,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-22 16:04:06,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532082323] [2021-11-22 16:04:06,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 16:04:06,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-22 16:04:06,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:06,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-22 16:04:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-11-22 16:04:06,153 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-11-22 16:04:06,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 373 transitions, 921 flow. Second operand has 32 states, 32 states have (on average 355.375) internal successors, (11372), 32 states have internal predecessors, (11372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:06,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:04:06,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-11-22 16:04:06,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:04:08,172 INFO L129 PetriNetUnfolder]: 17/3249 cut-off events. [2021-11-22 16:04:08,172 INFO L130 PetriNetUnfolder]: For 573/573 co-relation queries the response was YES. [2021-11-22 16:04:08,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3901 conditions, 3249 events. 17/3249 cut-off events. For 573/573 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1983 event pairs, 0 based on Foata normal form. 16/3226 useless extension candidates. Maximal degree in co-relation 3743. Up to 61 conditions per place. [2021-11-22 16:04:08,182 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 36 selfloop transitions, 45 changer transitions 0/424 dead transitions. [2021-11-22 16:04:08,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 424 transitions, 1383 flow [2021-11-22 16:04:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-22 16:04:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-11-22 16:04:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 15974 transitions. [2021-11-22 16:04:08,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9516830503425677 [2021-11-22 16:04:08,203 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 15974 transitions. [2021-11-22 16:04:08,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 15974 transitions. [2021-11-22 16:04:08,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:04:08,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 15974 transitions. [2021-11-22 16:04:08,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 354.97777777777776) internal successors, (15974), 45 states have internal predecessors, (15974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:08,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 373.0) internal successors, (17158), 46 states have internal predecessors, (17158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:08,263 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 373.0) internal successors, (17158), 46 states have internal predecessors, (17158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:08,263 INFO L186 Difference]: Start difference. First operand has 388 places, 373 transitions, 921 flow. Second operand 45 states and 15974 transitions. [2021-11-22 16:04:08,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 424 transitions, 1383 flow [2021-11-22 16:04:08,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 424 transitions, 1370 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-11-22 16:04:08,278 INFO L242 Difference]: Finished difference. Result has 437 places, 398 transitions, 1210 flow [2021-11-22 16:04:08,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1210, PETRI_PLACES=437, PETRI_TRANSITIONS=398} [2021-11-22 16:04:08,279 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 76 predicate places. [2021-11-22 16:04:08,279 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 398 transitions, 1210 flow [2021-11-22 16:04:08,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 355.375) internal successors, (11372), 32 states have internal predecessors, (11372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:08,282 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:04:08,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:08,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-22 16:04:08,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 16:04:08,514 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:04:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1906612852, now seen corresponding path program 2 times [2021-11-22 16:04:08,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:08,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654549843] [2021-11-22 16:04:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:08,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:08,567 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:04:08,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504310310] [2021-11-22 16:04:08,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:04:08,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:08,570 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:04:08,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-22 16:04:08,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 16:04:08,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:04:08,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:04:08,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:04:10,678 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 [2021-11-22 16:04:10,705 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-22 16:04:10,706 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 [2021-11-22 16:04:10,747 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-22 16:04:10,748 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 [2021-11-22 16:04:10,810 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-22 16:04:10,810 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 [2021-11-22 16:04:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2021-11-22 16:04:10,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:04:10,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:10,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654549843] [2021-11-22 16:04:10,839 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:04:10,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504310310] [2021-11-22 16:04:10,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504310310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:10,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:10,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:04:10,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25196028] [2021-11-22 16:04:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:10,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:04:10,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:10,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:04:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:04:10,845 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 373 [2021-11-22 16:04:10,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 398 transitions, 1210 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:10,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:04:10,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 373 [2021-11-22 16:04:10,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:04:17,933 INFO L129 PetriNetUnfolder]: 2683/9535 cut-off events. [2021-11-22 16:04:17,933 INFO L130 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2021-11-22 16:04:17,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17006 conditions, 9535 events. 2683/9535 cut-off events. For 907/907 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 55525 event pairs, 1013 based on Foata normal form. 0/8604 useless extension candidates. Maximal degree in co-relation 14468. Up to 4299 conditions per place. [2021-11-22 16:04:18,039 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 249 selfloop transitions, 33 changer transitions 0/542 dead transitions. [2021-11-22 16:04:18,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 542 transitions, 2106 flow [2021-11-22 16:04:18,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:04:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1573 transitions. [2021-11-22 16:04:18,043 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7028596961572833 [2021-11-22 16:04:18,043 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1573 transitions. [2021-11-22 16:04:18,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1573 transitions. [2021-11-22 16:04:18,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:04:18,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1573 transitions. [2021-11-22 16:04:18,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.1666666666667) internal successors, (1573), 6 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:18,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:18,051 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:18,051 INFO L186 Difference]: Start difference. First operand has 437 places, 398 transitions, 1210 flow. Second operand 6 states and 1573 transitions. [2021-11-22 16:04:18,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 542 transitions, 2106 flow [2021-11-22 16:04:18,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 542 transitions, 2050 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-11-22 16:04:18,073 INFO L242 Difference]: Finished difference. Result has 429 places, 428 transitions, 1408 flow [2021-11-22 16:04:18,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1154, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1408, PETRI_PLACES=429, PETRI_TRANSITIONS=428} [2021-11-22 16:04:18,075 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 68 predicate places. [2021-11-22 16:04:18,075 INFO L470 AbstractCegarLoop]: Abstraction has has 429 places, 428 transitions, 1408 flow [2021-11-22 16:04:18,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:18,076 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:04:18,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:18,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-22 16:04:18,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:18,302 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:04:18,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1262109581, now seen corresponding path program 1 times [2021-11-22 16:04:18,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:18,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917028739] [2021-11-22 16:04:18,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:18,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:18,366 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:04:18,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790628242] [2021-11-22 16:04:18,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:18,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:18,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:18,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:04:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-22 16:04:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:18,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 3322 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 16:04:18,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:04:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:22,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:04:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:25,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:25,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917028739] [2021-11-22 16:04:25,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:04:25,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790628242] [2021-11-22 16:04:25,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790628242] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:04:25,977 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:04:25,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-11-22 16:04:25,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683243356] [2021-11-22 16:04:25,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 16:04:25,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-11-22 16:04:25,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-11-22 16:04:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-11-22 16:04:26,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-11-22 16:04:26,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 428 transitions, 1408 flow. Second operand has 61 states, 61 states have (on average 355.4918032786885) internal successors, (21685), 61 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:26,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:04:26,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-11-22 16:04:26,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:04:32,848 INFO L129 PetriNetUnfolder]: 97/6471 cut-off events. [2021-11-22 16:04:32,848 INFO L130 PetriNetUnfolder]: For 4537/4558 co-relation queries the response was YES. [2021-11-22 16:04:32,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8275 conditions, 6471 events. 97/6471 cut-off events. For 4537/4558 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5611 event pairs, 4 based on Foata normal form. 34/6414 useless extension candidates. Maximal degree in co-relation 7878. Up to 121 conditions per place. [2021-11-22 16:04:32,871 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 66 selfloop transitions, 90 changer transitions 0/529 dead transitions. [2021-11-22 16:04:32,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 529 transitions, 2494 flow [2021-11-22 16:04:32,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-11-22 16:04:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-11-22 16:04:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 31941 transitions. [2021-11-22 16:04:32,914 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9514745308310992 [2021-11-22 16:04:32,915 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 31941 transitions. [2021-11-22 16:04:32,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 31941 transitions. [2021-11-22 16:04:32,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:04:32,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 31941 transitions. [2021-11-22 16:04:32,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 354.9) internal successors, (31941), 90 states have internal predecessors, (31941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 373.0) internal successors, (33943), 91 states have internal predecessors, (33943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,017 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 373.0) internal successors, (33943), 91 states have internal predecessors, (33943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,017 INFO L186 Difference]: Start difference. First operand has 429 places, 428 transitions, 1408 flow. Second operand 90 states and 31941 transitions. [2021-11-22 16:04:33,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 529 transitions, 2494 flow [2021-11-22 16:04:33,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 529 transitions, 2494 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 16:04:33,046 INFO L242 Difference]: Finished difference. Result has 534 places, 474 transitions, 2062 flow [2021-11-22 16:04:33,047 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1408, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=2062, PETRI_PLACES=534, PETRI_TRANSITIONS=474} [2021-11-22 16:04:33,047 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 173 predicate places. [2021-11-22 16:04:33,047 INFO L470 AbstractCegarLoop]: Abstraction has has 534 places, 474 transitions, 2062 flow [2021-11-22 16:04:33,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 355.4918032786885) internal successors, (21685), 61 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,051 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:04:33,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:33,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-22 16:04:33,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 16:04:33,278 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:04:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1008509452, now seen corresponding path program 2 times [2021-11-22 16:04:33,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:33,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333914925] [2021-11-22 16:04:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:33,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:33,350 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:04:33,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227620416] [2021-11-22 16:04:33,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:04:33,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:33,352 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:04:33,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-22 16:04:33,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 16:04:33,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:04:33,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:04:33,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:04:36,937 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 [2021-11-22 16:04:36,959 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-22 16:04:36,960 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 [2021-11-22 16:04:36,989 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-22 16:04:36,989 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 [2021-11-22 16:04:37,029 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-22 16:04:37,030 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 [2021-11-22 16:04:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39616 trivial. 0 not checked. [2021-11-22 16:04:37,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:04:37,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:37,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333914925] [2021-11-22 16:04:37,060 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:04:37,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227620416] [2021-11-22 16:04:37,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227620416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:37,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:37,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:04:37,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529991151] [2021-11-22 16:04:37,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:37,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:04:37,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:37,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:04:37,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:04:37,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 373 [2021-11-22 16:04:37,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 474 transitions, 2062 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:04:37,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 373 [2021-11-22 16:04:37,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:04:54,591 INFO L129 PetriNetUnfolder]: 3429/14102 cut-off events. [2021-11-22 16:04:54,591 INFO L130 PetriNetUnfolder]: For 5398/5406 co-relation queries the response was YES. [2021-11-22 16:04:54,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26974 conditions, 14102 events. 3429/14102 cut-off events. For 5398/5406 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 71724 event pairs, 1148 based on Foata normal form. 0/12988 useless extension candidates. Maximal degree in co-relation 22645. Up to 6611 conditions per place. [2021-11-22 16:04:54,739 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 282 selfloop transitions, 49 changer transitions 0/638 dead transitions. [2021-11-22 16:04:54,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 638 transitions, 3314 flow [2021-11-22 16:04:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:04:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1569 transitions. [2021-11-22 16:04:54,744 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7010723860589813 [2021-11-22 16:04:54,744 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1569 transitions. [2021-11-22 16:04:54,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1569 transitions. [2021-11-22 16:04:54,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:04:54,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1569 transitions. [2021-11-22 16:04:54,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:54,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:54,749 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:54,750 INFO L186 Difference]: Start difference. First operand has 534 places, 474 transitions, 2062 flow. Second operand 6 states and 1569 transitions. [2021-11-22 16:04:54,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 638 transitions, 3314 flow [2021-11-22 16:04:54,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 638 transitions, 3196 flow, removed 17 selfloop flow, removed 42 redundant places. [2021-11-22 16:04:54,799 INFO L242 Difference]: Finished difference. Result has 502 places, 512 transitions, 2394 flow [2021-11-22 16:04:54,800 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2394, PETRI_PLACES=502, PETRI_TRANSITIONS=512} [2021-11-22 16:04:54,801 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 141 predicate places. [2021-11-22 16:04:54,801 INFO L470 AbstractCegarLoop]: Abstraction has has 502 places, 512 transitions, 2394 flow [2021-11-22 16:04:54,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:54,802 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:04:54,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:54,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-22 16:04:55,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-22 16:04:55,022 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:04:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:55,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1516565143, now seen corresponding path program 1 times [2021-11-22 16:04:55,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:55,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298357583] [2021-11-22 16:04:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:55,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:55,092 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:04:55,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501179372] [2021-11-22 16:04:55,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:55,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:04:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:55,095 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:04:55,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-22 16:04:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:56,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 6417 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:04:56,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:05:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-11-22 16:05:01,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:05:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-11-22 16:05:07,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:07,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298357583] [2021-11-22 16:05:07,836 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:05:07,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501179372] [2021-11-22 16:05:07,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501179372] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:05:07,837 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:05:07,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-22 16:05:07,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237039953] [2021-11-22 16:05:07,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 16:05:07,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:05:07,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:07,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:05:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:05:07,846 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 373 [2021-11-22 16:05:07,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 512 transitions, 2394 flow. Second operand has 8 states, 8 states have (on average 352.75) internal successors, (2822), 8 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:07,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:07,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 373 [2021-11-22 16:05:07,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:19,871 INFO L129 PetriNetUnfolder]: 199/9926 cut-off events. [2021-11-22 16:05:19,871 INFO L130 PetriNetUnfolder]: For 4415/4454 co-relation queries the response was YES. [2021-11-22 16:05:19,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13145 conditions, 9926 events. 199/9926 cut-off events. For 4415/4454 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10965 event pairs, 10 based on Foata normal form. 4/9764 useless extension candidates. Maximal degree in co-relation 12245. Up to 181 conditions per place. [2021-11-22 16:05:19,909 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 21 selfloop transitions, 9 changer transitions 0/528 dead transitions. [2021-11-22 16:05:19,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 528 transitions, 2488 flow [2021-11-22 16:05:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:05:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 16:05:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3182 transitions. [2021-11-22 16:05:19,912 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9478701221328567 [2021-11-22 16:05:19,912 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3182 transitions. [2021-11-22 16:05:19,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3182 transitions. [2021-11-22 16:05:19,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:19,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3182 transitions. [2021-11-22 16:05:19,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 353.55555555555554) internal successors, (3182), 9 states have internal predecessors, (3182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:19,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:19,919 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:19,920 INFO L186 Difference]: Start difference. First operand has 502 places, 512 transitions, 2394 flow. Second operand 9 states and 3182 transitions. [2021-11-22 16:05:19,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 528 transitions, 2488 flow [2021-11-22 16:05:19,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 528 transitions, 2488 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 16:05:19,976 INFO L242 Difference]: Finished difference. Result has 513 places, 518 transitions, 2444 flow [2021-11-22 16:05:19,977 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=2394, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2444, PETRI_PLACES=513, PETRI_TRANSITIONS=518} [2021-11-22 16:05:19,978 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 152 predicate places. [2021-11-22 16:05:19,978 INFO L470 AbstractCegarLoop]: Abstraction has has 513 places, 518 transitions, 2444 flow [2021-11-22 16:05:19,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 352.75) internal successors, (2822), 8 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:19,979 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:19,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:20,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-22 16:05:20,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:05:20,198 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-22 16:05:20,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1419987031, now seen corresponding path program 2 times [2021-11-22 16:05:20,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:20,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068196781] [2021-11-22 16:05:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:20,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:20,340 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 16:05:20,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985747610] [2021-11-22 16:05:20,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:05:20,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:05:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:05:20,342 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:05:20,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d07395a-e7d8-4508-b2fc-7feab1d82b46/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-22 16:05:21,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 16:05:21,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:05:21,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:05:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:05:29,907 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 [2021-11-22 16:05:29,921 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-22 16:05:29,921 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 [2021-11-22 16:05:29,947 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 16:05:29,947 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 [2021-11-22 16:05:29,989 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 16:05:29,989 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 [2021-11-22 16:05:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364812 trivial. 0 not checked. [2021-11-22 16:05:30,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:05:30,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:30,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068196781] [2021-11-22 16:05:30,032 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 16:05:30,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985747610] [2021-11-22 16:05:30,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985747610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:30,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:30,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:05:30,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003438229] [2021-11-22 16:05:30,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:30,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:05:30,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:30,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:05:30,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:05:30,044 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-11-22 16:05:30,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 518 transitions, 2444 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:30,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:30,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-11-22 16:05:30,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand